The solve times are also included for a number of chess computers.
Bill
r3qr1k/pp3pbp/2pn4/7Q/3pP3/2NB3P/PPP3P1/R4RK1 w - - bm Rf6;
Novag Amber finds Rf6 in about 40 sec. at 6 ply.
Mach 3 in 3:34 min. score 4.24;
Novag Sapphire2 does find Rc8+ in about 56 seconds, 29 sec,
Novag Scorpio......1 min.
Mach3 found it at 2 minutes and 16 sec.;
pf2 e125 9 sec
both hp jornada 565 w/ 8 mb hash
pocketgrandmaster w/gromit 1:28 7 ply
1 pocketgrandmaster w/sos 0:27 6 ply
k7/8/PP6/K7/4p3/2Rp4/2r5/8 w - - bm Rc8+;id Mate in 9.
Novag Sapphire 2 can only find...Bg5 - even at 8 ply.;
pf2 11 sec sees Rc8, 5 min no solve
3r1rk1/pbp1b1pp/8/5q1n/2P1p1N1/1N2Q2P/PP3BP1/R1R4K b - - bm Rd3;
Novag Sapphire 2 can only find...Bg5 - even at 8 ply.;
3r1rk1/pbp1b1pp/8/5q1n/2P1p1N1/1N2Q2P/PP3BP1/R1R4K b - - bm Rd3;
7k/1p3p2/4pNpB/1b2K3/3p4/8/8/8 w - - bm Kd6;id mate in 4,
TurboStar432 takes about 9 minutes,
Novag Scorpio takes 7.8 sec,
Scisys 1850 worked it out in 3 minutes using the mate solving level,
Scisys Chess Champion 2150L finds the solution in 35 sec;
mscp 3 sec
star diamond 6 sec m4
super forte 53 sec m4
prisma 1:23 m4
5 prisma mate finder 27 sec
cosmic m4 3:11
3r3k/p4Qp1/7p/1b1Bp3/4Pp2/7R/4nqPP/4R2K w - - id Mate in 10.
Saitek Travel Champion takes just 5 ply and finds it in 17 sec,
Novag Amber takes about 25 sec,
Fidelity Par Excellence (5 Mhz) takes 6 ply ....3 min. and 21 sec,
Fidelity Mach 3 (16 Mhz) finds it in 27.5 sec;
atlanta 47 sec m11 Rxh6
star diamond 2 sec m11
pf1 12 sec
crafty 6 sec
6 pf2 15 sec m12
8/6k1/1P1p2p1/3Ppn2/3q4/8/6PP/rR2QB1K b - - bm Ng3;
mach3 0 sec
risc 2500 11 sec sel, 2 sec brute
r1b2rk1/3n1ppp/p7/Qp1q2B1/P1pPp3/2P1P3/2B2PPP/R3R1K1 w - - bm axb5;
designer 2100 can't find 30 min;
r1bq1rk1/pp3pbp/2pp1np1/2n3B1/2PNP3/2N2P2/PP1QB1PP/R4RK1 b - - bm Nfxe4;;
designer 2100 can't find 20 min
r2qk2r/ppp2p1p/3p1np1/2b1P3/2BnP3/2NP3P/PPP3P1/R1BQK2R b KQkq - bm Nh5;
palm zire21 hiarc 32 sec 6 ply
sapphire2 3:30:00 Nd7 -0.13 10 ply
novag scorpio 7 ply 30 min
star ruby 181 sec 7 ply 0.29
Bq1B1K2/3PpN2/P3Pp2/P1p2P2/2Pk1b1R/1p6/pN1P1P2/QR6 w - - id Babson Task mate in 4;
bm a7
rs2250xl Na4 8 sec m5
star diamond 23 sec m7
mscp1.4 Rg1 1:58 7ply,
super forte 3:24 m4 Na4
blitz mate finder 3:12 a7
prisma mate finder 16:00 m4 a7
2b1nrk1/pr3ppp/1q2p3/2p1N1P1/2P5/1P2Q3/P1B2P1P/2KR2R1 w - - bm Bxh7+;
Saitel Risc takes 7 ply 3:38;
junior5 2:33
mscp > 17:00
pf2 e125 37 sec
2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - - bm Qxh7+;id portables mate in 6;
novag scorpio 6:26
mach3 7ply 44:00
saitek risc 28 sec
saitek cougar 7ply 3:40
super novag 6mhz 3 hrs
3q1rk1/5pp1/3p3p/1Q1N3P/2p3P1/R4n2/rPP5/2K4R b - - bm Ra1;id for portables;
sapphire2 12 sec 6ply
mach3 27 sec
novag scorpio 33 sec
pf2 1:17 -3.35 m9 < 2:30
1r5k/2q2p1p/p2p3B/n4PQ1/2p5/2b4P/PrB3P1/2R1R1K1 w - - bm Re5;id for portables;
saitek risc 44 sec
saitek cougar 90 sec
r3kb1r/pRnnpppp/8/3p4/Q7/2qBB2P/P1PN1PP1/5RK1 w kq - bm Bd4;id for portables;
turbostar432 12 min
super novag 6mhz 3:33
mach3 1:52
radio shack 2200x 47 sec
novag amber 10sec
saitek risc 7 sec
mondial 3 sec
pf2 3 sec +8.80
16 rs2250xl 1:00 sel +5.5
1b2r1k1/6pp/pp6/7Q/1n2r3/Pq1NB3/1P2P2P/R5RK w - - bm Rxg7+;id for portables;
excel 5 sec, very good 10 sec, good 15 sec, avg 30 sec
super constelation 28 sec
novag emerald 11 sec
star ruby 11 sec
sapphire2 13 sec
kasparov capella 10 sec
sapphire 3 sec
pf2 0 sec
17 prisma 1:40:00 +4.55 ply 6
3k4/p2p2q1/2rN1n1r/2P5/8/5Q2/PP1K1P1P/4R3 w - - bm Qxf6+;id portables;
mate in 5
turbostar432 40 sec
novag vip 21 sec
polger 23 sec
mondial 3 sec
excellance 18 sec
comet 22 sec
2r1rnk1/ppqb1ppp/5n2/8/3PP3/P2B2N1/3Q2PP/1RB2R1K w - - bm Rxf6;id move for portable;
r2r1nk1/2p3p1/p1P1pq1p/1p1bNp1Q/3P1P1b/3BB3/PP5P/2KR2R1 w - - bm Rxg7+;id for portables
1nbq1r1k/3rbp1p/p1p1pp1Q/1p6/P1pPN3/5NP1/1P2PPBP/R4RK1 w - - id
tough mate in 4 crafty 25 sec;
crafty 25 sec Nfg5
rebel 0 sec Nfg5, fxg5, Nf6, Bxf6, Be4, bxa4, Qxh7#
star diamond 1:17:00 no solve, 58 sec mate level h3
pf1 9 sec m4
mscp 11:08 blitz 35 min Nfg5, 90 min no solve
pf2 11 sec m4
star diamond brute 4:04 m3
21 super forte 36 min no solve
atlanta 15 sec m4
rs2250xk 1:20 brute 1:15
3r3k/p4Qp1/7p/1b1Bp3/4Pp2/7R/4nqPP/4R2K w - - id mate in 10 for portables;
bm Rxh6+
1r4k1/p1p2pp1/7p/3q3P/7b/KN2Q2P/PPP5/RN5R b - - bm Be7+;id For PDA mate in 6;
star diamond 1 sec m5
pf1 4 sec m8, 20 sec m6
chess tiger palm 66mhz 90 sec
pf1 206mhz m6 20 sec
pf2 4 sec m8, 30 sec m6
4rrk1/p1p2pp1/7p/6qP/7b/1N2PQ1P/PPP1K3/RN5R b - - bm Rxe3+;id for PDA;
black winning
star diamond < 14 sec -1.14 8ply Rxe3+
fritz7 30 sec athlon1.2
pf2 1 sec +1.47
8/5K2/3N3N/8/5k2/7B/5B2/8 w - - id mate in 4, tough for null movers;
bm Bg2
pf2 30 sec m7
blitz 1:48
rs2250xl sel 17 sec m4
star diamond 25 sec m4 Bg2
8/8/8/8/8/6P1/6k1/4KR1R w K - bm Rf4;id sam loyd mate in 3;
mscp 0 sec
rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w - - bm BxP;id for portables,;
star diamond 0 sec 1.76 7ply
pf2 36 sec Bxg6 1.63 7 ply
old novag Bxp 5:38
super novag 2:10
sapphire2 1 sec 3 ply
pocket grandmaster 4 ply 2 sec with gromit 3.10.16 engine
2q2QB1/4p1R1/2p1N1r1/4pb2/2N5/B1Kp4/P3R3/rk5n w - - bm Nc7;id very tough mate in 2;
mscp 1 sec
3r4/pr2n3/1p3kp1/8/3NP1b1/3BK3/P4P1R/1R6 w - - bm Rh4!!;
Karpov vs Kasparov Mephisto found move (pocketfritz 7:00);
star diamond 57 sec +.5 8 ply
pf2 1:14 +1.11
craft 12 sec
pf1 7:00
cm9k 13 sec
sapphire2 42 sec 0.15 7ply, 0.5 8ply
atlanta < 21 min
29 rs2250xl sel 40 min Rb4 0.60
8/6N1/K2k3B/4p3/8/p7/2PP4/8 w - - bm Nf5;id for PDA's White to move and win >+2.10;
1b6/kPp5/p1P5/R5Rr/P1N1P3/8/6p1/6Kb w - - id mate in 5;
bm Rc5
star diamond 8 sec m5
sapphire2 12 sec m5
mk v 7:10
pf 31 sec m5
6bk/PPPP1R1p/3rp2N/4p3/4P3/4K3/3rP3/8 w - - id
mate in 5 with 4 consecutive under-promotions;
pf2 0 sec m12
star diamond 15 min no solve 9ply +24.3
sapphire2 2:36:39 m9 no solve
3nn3/2p2p1k/1p1pp1p1/p2B3p/r2B2N1/7N/8/7K w - - id mate in 12, all checks;
pf2 33 sec m12
star diamond 0 sec m11
atlanta m12 <36 min Ng5
sapphire2 0 sec m11
r2r3k/p1p1p2p/2Q5/3PKp2/2P1bP2/BP5B/P4q1P/3R2R1 w - - bm Bxe7;
belle announces mate in 8;
pf2 e125 46 sec m10, 1:06 m8, 1:20 m7
star diamond 14:00 m6
R5Nk/7p/4pbpP/n1p4n/2p1b3/K1p3pq/8/8 w - - bm Rb8;id saphire ii mate in 6 IN-6 0:46;
pf2 e125 0 sec m6
4K3/3pPP2/7p/3PB3/6pP/pP6/prP3P1/kb4R1 w - - id mate in 5;
bm Bh8
2r3k1/1p2q2p/p6Q/3pp1p1/2r1n3/2P2P1R/PP4PP/R5K1 b - - id mate in 5;
bm Qc5+
r3r3/pp2qpkp/3R3p/2p5/P3p3/1P5P/2PQ1PP1/4R1K1 w - - id not a mate in ?;
8/8/2K5/p1n1ppp1/1bN3n1/2kr3P/P1N2p2/2Q2B2 w - - id mate in 4;
bm Kb5
5nR1/r3q3/p6k/1pp2p1P/4pP2/PP2P3/2P1B3/Q5K1 w - - id mate in 4;
bm Qh8+
7r/7p/7P/8/2Q5/PB2p3/PpN1N3/1k2K3 w - - id mate in 3;
bm Qg8
rnbq1bnr/ppp3pp/6k1/3BQ3/4P3/8/PPPP1PPP/RNB1K2R w KQ - bm h4;
one of the oldest analyzed positions;
5Kbk/6pp/6P1/8/8/8/8/7R w - - bm Rh6;
first mate in 2 solved by a computer. MADM in 15 min in 1951;
Only known chess problem by Paul Morphy
1r4k1/1rqb1pb1/p2p1npB/3Pp3/2p1P1P1/2N2P2/PP1Q4/1KNR3R w - - bm Bxg7;
score keeps increasing by big jumps;
pf2 approx 2 min -0.39, +6.60
2kr1b1r/1pp1qp1p/3p2p1/1P1Pp3/2Q1P1n1/R4N2/1PP2PPP/5RK1 w - - bm Qc6;id mate in 4;
pf1 6 min no solve
star diamond 40 min b5b6 +2.53 10ply
atlanta 4 sec m5 Qc6
crafty 6 sec
8/8/8/2ppp3/2pkp3/2ppp3/7K/5N1Q w - - id mate in 4;
bm Nd2
7k/1p3p2/4pNpB/1b2K3/3p4/8/8/8 w - - id tough mate in 4 for some engines;
bm Kd6
1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - - id easy mate in 11;
bm Qf4+
star diamond 6:18 m10
pf2 13 min no solve
1n6/8/8/R3Np1K/1N3k2/1R6/1P5P/3n4 w - - id tough mate in 5 for CM9K;
bm Nc4
r4rk1/1ppq1pp1/p2bbn1p/nP1pp3/P1P5/3P1NP1/1B1NPPBP/R2Q1RK1 b - - bm dxc4;
longest consecutive captures (17);
r2qk2r/pp1nbRpp/4Q3/1B6/8/3p4/PPP3PP/5RK1 w kq - bm Kh1;id tough mate in 4;
8/p1p2n1k/1p1b1R1p/1r1q1PPQ/1N1B3K/2P4P/8/8 w - - id mate in 2;
bm Rxf7+
k1K5/1b6/pP6/8/8/8/R7/8 w - - id zugswang null move mate 3 7/19/99;
bm Kc7
8/8/6P1/8/8/7n/5k1n/7K b - - id crafty 17.5 prob mate 3 12/23/99;
bm Nf3
2r3k1/qp1bnnbr/4p1Q1/p2P3P/7N/PN4B1/5PP1/1R2R1K1 w - - bm dxe6;
id personel computing 2/00 (do 10 ply search);
pv dxe6 Nxg6 exf7+ Kxf7 hxg6+ Kg8 gxh7+ Kxh7 Re7 Bg4 Be5 Rg8
Nd4 Qc5 Rb1xb7 Qc1+ Kh2 Kh6 Bxg7+;
ChessChallenger7 77 hours
1k1r4/pp1b1R2/3q2pp/4p3/2B5/4Q3/PPP2B2/2K5 b - - bm Qd1+;id advances in CC3 #1;
3r1k2/4npp1/1ppr3p/p6P/P2PPPP1/1NR5/5K2/2R5 w - - bm d5;id advances in CC3 #2;
2q1rr1k/3bbnnp/p2p1pp1/2pPp3/PpP1P1P1/1P2BNNP/2BQ1PRK/7R b - - bm f5;
advances in CC3 #3;
rnbqkb1r/p3pppp/1p6/2ppP3/3N4/2P5/PPP1QPPP/R1B1KB1R w - - bm e6;id advances in CC3 #4;
r1b2rk1/2q1b1pp/p2ppn2/1p6/3QP3/1BN1B3/PPP3PP/R4RK1 w - - bm Nd5;id advances in CC3 05;
2r3k1/pppR1pp1/4p3/4P1P1/5P2/1P4K1/P1P5/8 w - - bm g6;id advances in CC3 #6;
1nk1r1r1/pp2n1pp/4p3/q2pPp1N/b1pP1P2/B1P2R2/2P1B1PP/R2Q2K1 w - - bm Nf6;
advances in CC3 #7;
2bnN1k1/6P1/4p3/1P2N1P1/3K4/8/8/8 w - - bm g6;id how long mate in 4 02/08/00;
pf2 e125 3 sec m4
3r4/1P2R3/3P2k1/3n4/1B4pp/8/6K1/8 b - - bm Nxe7;id levy vs chess 4.7;
3R4/4k1p1/1b6/2b2P2/5PP1/5K2/Pr3B2/8 w - - bm Bh4+;id chess 4.7 vs levy;
1q2kr2/rB2bbp1/3p1n2/1NpP2BN/P4P1p/1P2Q3/6PP/R3K2R w - - id mate in 6 02/12/00;
No mate in 6 (Nxg7+)
3q3k/5pp1/p1b2n2/2p3P1/1pP1p3/1P2P1Q1/P2r1N1P/2RB2K1 b - - bm Nh7?;
browne vs chess 4.6 comp thought 9:20, 2,158,456 moves;
3nr1k1/p6p/2n1pRpB/3pP3/2pP2P1/q1P4P/6BK/5Q2 w - - bm Rxg6+;
Fidelity Mach 3 takes 8 hours;
score jump
r4rk1/1pp3q1/2n1b2p/8/3Pp1p1/NPQ3P1/2N1R1PP/1R4K1 b - - bm Rxa3!;
15 sec on Radio Shack dedicated machine;
6k1/2q2rp1/p1r1pbQp/1p2p2P/4P3/1PPR1RPB/5P2/6K1 w - - bm Rxf6!;
1 min 12 sec on Radio Shack dedicated machine;
r5k1/pbq2ppp/1p2pn2/2brN1B1/8/2PB4/PP2QPPP/3RR1K1 b - - bm Rxe5!;
id 1 min 23 sec on Radio Shack dedicated machine;
r2r3k/1p1q1pn1/2p3p1/p3P2p/P2PQP2/2PB3P/7K/1R4R1 w - - bm Rxg6!;
id 1 min 43 sec on Radio Shack dedicated machine;
r3nnk1/5pp1/1qp4p/p1N1P3/1pB2P2/P4QP1/1P5P/3R3K w - - bm Bxf7+!;i
d 49 min 48 sec on Radio Shack dedicated machine;
r6r/pp2kp2/3p4/2pPb3/2P1P1Qp/Pq1B3P/1P4P1/1R3RK1 w - - bm Rxf7+!;
id 7 hours 59 min 12 sec on Radio Shack dedicated machine;
rkB5/ppp4R/3B1P2/3PpK2/8/5Q2/8/8 w - - id mate in 3;
bm Qc3 or Bxc7+
5Nk1/5pPp/4PB1p/1KpP2p1/6R1/1B5p/P7/8 w - - id mate in 3;
5 solutions
2r1r1k1/1bq2ppp/3R4/p1n1pNB1/2p1P3/2P2QNP/1P3PP1/6K1 w - - bm Bf6;id for portables;
r4rk1/2p1b1p1/p3q3/np1p4/3P1BR1/2P2Q1P/P1B2P2/R6K w - - bm Rxg7+;id for portable;
pf1 1 sec
pocket grandmaster ipac 2 sec for Rxg7+, +7.96 at 13 sec
8/8/6kN/8/6NK/8/p4P2/B7 w - - bm f3;id mate in 6;
pf1 7 sec m7
star diamond 24 sec m5
chess tiger14.9 palm 54mhz m6 1 min
R7/5prp/4pk2/1p2P3/5p1P/1B1n1P2/P4Pr1/5R1K b - - id black mate in 7;
bm Nxe5
3Rn3/8/8/5r1b/n1pPN3/1r3kPP/p2P3K/4Q3 w - - id mate in 6 from CCR 1986;
1r2r1k1/3b1p1p/p4PpB/2qPp3/p1P1R2Q/P7/6PP/5R1K w - - bm Bg7;id for portables;
pf1 50 sec +1.28, +4.89 at 2:20
chess tiger14.9 @54mhz Bg7 in 24 sec, 2 min +4.60
4qb1k/2n1r2p/4pp1B/3n3Q/1p1PN3/5PR1/5P1P/6RK b - - id tough mate in 5;
Rg7
pf1 30 sec m10, 40 sec m7, 50 sec m5
star diamond 20 sec
pf2 5 sec m5, alternates m5 = Bxh6 - m6 = Qg6
rs2250xl sel m5 4:20 Qg6,7:00 m6 Qg6 stops 8:30 Qg6 no mate
n1rb4/1p3p1p/1p6/1R5K/8/p3p1PN/1PP1R3/N6k w - - id very tough mate in 5;
bm b4
pf2 e125 1:30 m5
mach3 master 15 min
5rk1/1p3ppp/1p6/p1q1PR2/2B1b3/1PP5/6PP/3Q3K w - - bm Rxf7;id for portables;
novag amber 60 sec 7 ply
scorpio 40 sec
mach3 5:32
travel champion 4:30
2r1r1k1/1p1q1ppp/3p1b2/p2P4/3Q4/5N2/PP2RPPP/4R1K1 w - - bm Qg4;id pocket computers;
travel companion Qg4 2 sec 4ply, 22sec +3.7
pocket grandmaster ipaq 5 sec
8/p1r1qpk1/b3p1p1/2n1P1N1/1Q2B2P/P1R5/5PP1/6K1 w - - bm Bxg6;id for handhelds;
pf1 >10 min Rf3 2.07 10ply, 15 min Bxg6 2.08 10ply
cm8k 1:07
star diamond 7:20 e4f3 +1.57 9ply
novag sapphire 6:46
3rnqk1/5r1p/2pbQ1p1/2ppBN2/2P2P2/pP1PPR1P/P7/6RK w - - bm Rxg6+;id for handhelds;
3qrrnk/ppnbbppp/2p5/2PpBP2/1P1P3R/P2B2N1/6PP/R2Q2K1 w - - bm f6;
id for portables mate in 6;
star diamond 3 sec m6 Bxg7+
pf1 6 sec m7
tiger palm sony 42 mhz m7 13 sec
r4rk1/p4ppp/2b1p3/1p2P3/1qNQ4/4R3/5PPP/1BR3K1 w - - id test for portables;
chess genius palm1.5 16 mhz 2:17
chess tiger 14.9a 16mhz 7:30
pf1 33 sec Bxh7+ +3.30
sapphire2 15 sec b1h7 +5.61
mach3 27 sec
novag super vip 5:00
pocket grandmaster ipaq 2 sec
r3r1k1/1pp2ppp/p1bp4/8/4nPq1/1Q2BN2/PPP3PP/4RRK1 b - - bm Re6;id for portables;
b7/2brn3/pp3B1k/6R1/P6N/1B5P/5PP1/6K1 w - - bm g4;id for portables mate in 7;
chess tiger on palm 10 sec
mephisto 68030,pf, pocket genius 2 sec
chess tiger14.9a @ 54mhz g4 0 sec, m8 in 7 sec
rq1r4/2nn1p1k/2b1p1pP/1pPp2Q1/1P3NB1/2N2P2/3RP2P/3R2K1 w - - bm Bxe6;id For portables;
novag > 12 hrs no solve
chess tiger14.a 42mhz Qe7 from start
pf1 on ipac e4 even after 5 min
1k1r4/1pp4p/2n5/P6R/2R1p1r1/2P2p2/1PP2B1P/4K3 b - - bm e3;id portables -4.0;
star diamond 5 min d8e8 9ply no solve
pf1 8 sec e3
atlanta < 24 min e3
pocket geinous 221mhz 2 sec
pf1 221mhz 2 sec
palm genius 28mhz 63 sec
mephisto roma 133 sec
palm chess tiger14.9a 42 mhz 8:30
95 pf2 < 2:20
6k1/2b2p1p/ppP3p1/4p3/PP1B4/5PP1/7P/7K w - - bm Bxb6;id portables +3.24;
mephisto roma 35 sec
pf1 221mhz 47 sec
palm chess tiger14.9a 42 mhz 6:26
r3rn1k/pbqnb1pp/1pp2p2/2P2P2/2BPQ2N/P3PR2/1P4PP/R1B3K1 w - - bm Qe6;id portables;
novag emerald 55 sec
novag amber 45 sec
super novag 6 mhz 43 sec
saitek cougar 6ply 25 sec
novag scorpio 24 sec
star ruby 28 sec 7ply
star diamond 11 sec
radio shack 2250xl 54 sec
97 pf2 approx. 1:36
rn1qk2r/1b2bppp/p2ppn2/8/Np1NP3/1B2BP2/PPP3PP/R2QK2R w KQkq - bm Bxe6;id portables;
R40 plays Bxe6
atlanta 40 sec
pf2 20 sec
3q1rk1/p2b1p1p/1r1R3Q/4p1pP/1p2P3/1P3P2/1PP1N1P1/2K4R b - - bm f6;id traps the queen;
Rr6/6k1/2PK1p2/6p1/4p3/4P3/4bP2/R7 w - - bm Rxb8;id tough mate in 9;
atlanta 1:15:00 no solve
fritz2 xp3k 25 sec m12
yacepdb 43 sec m?, 1:44 m9
pf2 e125 6 min no solve
r2qk2r/ppp2p1p/3p1np1/2b1P3/2BnP3/2NP3P/PPP3P1/R1BQK2R b - - bm Nh5;
atlanta 15 sec
r1b1k2r/2p2ppp/p1Q5/2b5/7q/2n5/PPPP1PPP/R1B2RK1 b kq - bm Bd7;id portables;
excellance 7:50:00
novag super constellation 1 hr
mach3 35 min 8 ply
saitek cougar 3:45 8 ply
radio shack 2200x 51:22 h8 @ 10mhz, saitek gk 2000@ 16mhz
atlanta < 1:00
pf2 e125 1:33 +2.55
rr1q2k1/1p2bpp1/2p1p2p/P1Pn4/2NP4/3Q1RP1/5PKP/2B1R3 w - - bm Rf6;id portables;
novag scorpio 1:30:00 8 ply
saitek risc 18:33 8 ply
novag star ruby 38 min no solve
crafty xp3k 2 sec
pocket fritz2 Bf6 2 min
2r1r1k1/2b3p1/pp6/7Q/Pn2N2P/1q6/7P/2B3RK w - - bm Rxg7+;id portables;
mach3 5 min
saitek cougar 7 min
pf2 1:02 1:20 m7
5k2/1pp2ppp/5n2/3r4/7Q/r4P2/q5PP/2B1RB1K w - - bm Qxf6;id portables;
novag star ruby 14 sec 5 ply
novag emerald 25 sec 5 ply
sapphire ii 6 sec
novag scorpio 39 sec
mach3 1:25
1kbr3r/pp6/8/P1n2ppq/2N3n1/R3Q1P1/3B1P2/2R2BK1 w - - bm Qf4+;id mate in 11;
n1rb4/1p3p1p/1p6/1R5K/8/p3p1PN/1PP1R3/N6k w - - bm b4;id mate in 5;
pf2 m5 0 sec
r4rk1/p3qppp/5n2/p2pP3/8/R2BP3/5PPP/3Q1RK1 w - - bm exf6;id portables;
mach3 30 min
novag scorpio 25 min
risc 1:28 (saitek 2500)
star diamond > 1 hr no solve
palm tungsten
chess tiger15.1 3:23 ply 9
chess genius2.1 1:14
saitek cougar Qa1
108 pocket fritz2 < 1:51 +4.00
atlanta < 30 sec
2r4k/ppqbpp1p/3p1npQ/3R4/2r1P1P1/2N2P2/PPP1N3/1K5R w - - bm Rf5!!;id portables;
dell axim 560 mhz overclocked
pocket genius 1:58
pocket grandmaster(ruffian) 12:00
pocket fritz2 31:20 12 ply
atlanta < 25 min
mach3 1:09:00
2r3kb/ppqb3p/3pp1pB/8/2r1P3/1NP2P2/PP1Q2P1/2KR3R b - - bm Rxc3;id portables;
pocket fritz2 e125 1:55
pocket fritz2 dell axim (590 mhz) 30 sec, GC no solve in 4 min
palm hiarc on tungsten t3 (400 mhz) 4 sec +2 eval
2q3k1/1p4pp/3p1b2/pb1Pp3/r5P1/1P1nQN1P/P2N1P2/R1B3K1 b - - bm Rxg4+;
id deep blue 1995;
hitech vs deep blue
novag scorpio RxPck 85 sec
risc 2500 78 sec 6 ply
super novag (6 mhz) 12 sec
1r3k1r/6pp/p3Qp2/P7/q1P5/8/1n4PP/1R3R1K w - - bm Rxf6+;id portables white wins;
mach3 19:27
novag scorpio 5 min
cougar 120 sec
novag sapphire2 40 sec
saitek RISC 25 sec
CM9k M16 @ 0:06, m14 @ 0:20
r1b1qnk1/ppp2p2/1b5Q/2npP1N1/8/2P5/PP3PPP/RN2R1K1 w - - bm Re3;id portables;
Re3 .. Be6
saitek cougar plays both moves at 5 ply
novag amber plays both moves at 6 ply
mach3 49 sec to find Re3
polgar (5 mhz) 3:20 to find Re3
r4knr/5pp1/p1p3q1/3p4/5Bp1/1QP4P/PP3P2/R3R1K1 w - - bm Qb7;id portables;
Fischer played Qb7 (1961)
mach3 31 sec
mondial 2:35
tubostar432 15 min
novag amber 40 sec
novag scorpio 19 sec
saitek cougar 15 sec
pf2 10 sec +6.67
7k/8/5N1P/8/8/5bp1/8/B5K1 w - - bm Be5;id mate in 5;
cm9k piii-733 1 sec
pf1 7 sec m5
star diamond 36 sec m4
fritz & junior have hard time
pf2 m5 17 sec
r5k1/ppp2r1p/3p3b/3Pn3/1n2PPp1/1P2K1P1/PBB1N2q/R2Q3R b - - bm Rxf4;
id portables;
yace 26 sec
pocket genous 1:27
pf1 < 50 sec -1.64
cm8k piii-600 < 10 min mate
4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4;id mate in 6;
pf2 11:15 m6
pf1 18:10 m13, 18:47 m7
atlanta - can't set up since king in check
cm9k piii-600 1 sec m6
crafty 4:14 m6
1k6/pp3p2/5P2/1p6/1p6/1P6/7P/1K6 w - - bm h4;id portables;
pf1 3 sec +7, 30 sec +3, 3:30 +2.71 28ply, 5:00 30ply
star diamond h4 0 sec, 1:36 0.00
8/p3q1kp/1p2Pnp1/3pQ3/2pP4/1nP3N1/1B4PP/6K1 w - - bm Ba3;
id score jumps to +3.18 after 2 min (rebel 2:41 to see move 3:21 for score);
r4rk1/pp3ppp/2p4q/2P5/1b1P4/1B3NPb/PP2Q2P/R4RK1 w - - bm Ne5;id portables;
novag constelation forte 22 sec
star ruby 5 min 9ply Rf2 no solve
pf2 3 min no solve
3r1rk1/bpq2pp1/p1b1p3/2P4Q/1P6/P7/1B3PPP/2R2RK1 w - - bm Bxg7;id for portables;
mach3 62 sec
novag scorpio 41 sec
star ruby 5 min Qg4 8ply
7k/qbp2ppp/1Nr1pn2/4Q3/8/2B2P2/8/1R5K w - - bm Qxn;id mate in 6 for portables;
mach3 49 sec
star ruby 23 sec
novag scorpio 28 sec
5r1k/pp4p1/2q3Pp/8/4r2Q/1B6/PP6/3R2RK w - - bm Qxh6+;
portables - mate in 4, knight promotion;
most novags 2 to 3 seconds
star ruby m6 in 6 sec
6r1/2rp1kpp/2qQp3/p3Pp1P/1pP2P2/1P2KP2/P5R1/6R1 w - - bm Rxf7+;
id mate in 14 GM Shirov said no computer find this move;
craft 11 sec m15
ruffian 12 sec m
yacepdb 4 sec m
pocket fritz2 no solve 2 min
tasc r30 aggressive 6 sec
8/2pB4/6p1/1PK2pPb/1P3pk1/5N1p/4Q2P/8 w - - id mate in 4;
mscp 14 sec
1kB5/p1p5/P1P5/PKp5/P1P5/8/7p/6bR w - - id quick mate in 7 sapphire ii 38 sec m6;
star diamond 25 sec m5
k1n5/p1K1P3/P7/8/8/8/8/8 w - - bm e8=B;id mate in 5;
star diamond 0 sec e8=B
8/8/6k1/2p1p3/2P1P1K1/3N4/8/b7 w - - am Nxc5;
id Pachman 3rd vol Complete Chess Strategy (great computer diff);
star diamond 10 min Nxc5 1.30 D15
atlanta 2 sec +1.30
8/1p3pp1/7p/5P1P/2k3P1/8/2K2P2/8 w - - bm f6;
id LCT II fin.1 -3.17 neg score then turns positive +5.27;
star diamond 2:33 +3.96 D15
atlanta 6 sec +2.30
sapphire2 33 min +4.19 f6 18 ply
pf 26 sec +0.56, 1 min +3.64 15 ply
pf2 15 sec >0.0, 58 sec +4.68, <9:30 +7.84
r4rk1/4Rppp/p1P5/1p6/3P1n2/1BP2b2/PP3PpP/RN4K1 w - - id mate in 5;
star diamond 0 sec Bxf7+ no mate
7K/7P/8/8/4Q2p/8/4R1rp/6rk w - - bm Rb2;id mate in 6, tough for null movers;
star diamond 15 sec m6
rnbqr1k1/pp3pp1/3b1n1p/4N3/2Np4/2PB4/PP4PP/R1BQ1RK1 w - - bm Nxf7!!;id handheld;
star diamond 10 min c3xd4 D9 0.23
3k1KRB/3p1PP1/B1pP4/2P5/p7/8/8/8 w - - id mate in 6;
star diamond 1 sec m6
7K/8/7P/8/k7/3R4/3p2r1/4q3 w - - id mate in 5
black mates Rd4+
star diamond 7 sec no mate
8/p6p/1p4p1/2pk4/P1R1rp1P/1P1K2P1/2n2P2/8 w - - am Rxe4;
bm Rxc2;id If white plays Rxe4, loses;
star diamond Rxe4 34 min D14 -0.76
2rr2k1/1b3ppp/pb2p3/1p2P3/1P2BPnq/P1N3P1/1B2Q2P/R4R1K b - - bm Rxc3;id for portables;
super forte B sel 7 3:40 mondial 18:30:00
super forte B sel 3 7:45 constellation 22 hours
mach3 15:56 Mmiv 23:30:00
analysis B 8 mhz 23:00 almeria not in 1 hour
mephisto mirage 35:00 academy not in 1 hour
sphinx dominator 38:00 excell 68k not in 1 hour
simultano 44:00 pf2 20 min no solve
super mondial 45:00 rs2250xl 17 min -1.00, 30 min -2.90
136 mephisto2 65:00 rs2250xl sel 16 min
turbo star432 90:00 sapphire2 < 14 sec +2.32
mephisto3 2:30:00 atlanta < 1:20 -1.40
par excellence 6 hours
8/1p6/3k1bb1/2R3p1/2B2p1p/1Pn1pPP1/7P/4NK2 w - - bm Ra5;
id Fidelity Elite AvandGarde ver 10
2kr1bnr/ppp1pppp/2n5/3P4/2P5/4BB2/Pq3PPP/RN1QK2R w KQ - bm o-o;
Fidelity Elite AvantGarde ver 6 68020 20MHz 72 Std 12 Min
Fidelity Elite AvantGarde ver 6 68020 28MHz 60 Std 17 Min
Fidelity Elite AvantGarde ver 9 68030 32MHz 59 Std 13 Min
Fidelity Elite AvantGarde ver 9 68030 44MHz 57 Std 48 Min
1br3k1/p4p2/2p1r2q/3p1bp1/3Bn3/1P2P1P1/P3Q1BP/2R1NRK1 b - - bm Qxh2;
Fidelity Elite AvantGarde ver 2 68020 16MHz 20 Sek
Fidelity Elite AvantGarde ver 6 68020 20MHz 9 Sek
Fidelity Elite AvantGarde ver 6 68020 28MHz 7 Sek
Fidelity Elite AvantGarde ver 9 68030 32MHz 7 Sek
Fidelity Elite AvantGarde ver 9 68030 44MHz 6 Sek
1q1rr1k1/1b3ppp/1p6/p7/PnBN4/4QP2/1P4PP/2R1R1K1 w - - bm Qg5!;
DT-Cooke position for dedicated chess computers;
blitz 1:58 Qg5
super forte 1:10
cm2k amiga (68k 8 mhz) 18 min
sargonIII on amiga 9 min
sargonIV on mac se/30 68030 16 mhz 3 min 6 ply
zargon1.2 80386 16 mhz 4:30 5 ply
cosmic 22 min no solve
8/1B6/8/5p2/8/8/5Qrq/1K1R2bk w - - bm Qa7;id very very tough mate in 3;
yace 27 min p4 2.53 ghz prisma mate Qa7 m3 15 sec
rs2250xl 13 sec m3 prisma 1:05 m3
tlcd 10 sec m3 atlanta 2 sec m3
star diamond 15 sec m2 cosmic 10 sec m3
chess station 2:03
pocket fritz2 2:20 m12 5545 nps
pocket fritz 10 min no solve 8700 nps Qxf5 11.96
super forte 3 sec m2
141 blitz 5 sec
8/3p1p2/5Ppp/K2R2bk/4pPrr/6Pp/4B2P/3N4 w - - bm Nc3;
id #1097 mate in 4 very-very tough (Double Indian);
novag obsidean mate in 4 level 11 sec
chess station > 30 min no solve
pf < 44 sec blitz 1:37
morphy 5:27 rs2250xl sel 35 min NS
pf2 35 sec m4 rs2250xl brute 18 sec m4
super forte 4:30 m3 rs2250xl mate finder 8 sec
pocket genius3 3 min no solve prisma mate finder 56 sec m4
142 sargon4 5 sec m4 prisma 2:04 m4
sapphire2 1:33 m5 cosmic 11:24 m4
star diamond 55 sec m5
atlanta 15 min no solve, mate mode 15 sec
3B2k1/pb3p1p/1p4p1/8/8/P1Q2PqP/1P2r1P1/3R2K1 w - - bm Qh8+;id mate in 4
sargon 3 c64;
r3k2r/ppp1b1pp/4Bp2/n3p3/8/2qPBQ1P/P1P2PP1/R3R1K1 b kq - am Qxc2??;
portables (crafty many PV changes);
6Q1/8/8/7k/8/8/3p1pp1/3Kbrrb w - - id mate in 4
null move toughie 1.Qg7 Kh4 2.Qg6 Kh3 3.Qg5 Kh2 4.Qh4#;
8/4kp2/8/3K4/2BBNN2/8/8/8 w - - bm Kc6;id mate in 5;
Kd6
star diamond 45 sec m7 Nf6
5R2/2K5/1pP5/4k2p/3pp3/2p5/B4N1b/n1R1B2b w - - bm Rxc3;
id very tough mate in 5 BB # 1217;
Rxc3, Bf4, Rh3, Nb3, Bxb3, Bf3, Bd4, Bg5
rs2250xl brute 12 min no solve, sel 8 min no solve
rs2250xl mate level m5 4:50 Rxc3
star diamond 1:00:50 m10 Kxb6
star diamond mate finder 17 sec m5
capa 43:25
pf 17 min m16
148 pf2 10 sec m5 Rxc3
r2qkb2/5p1p/p1npb1r1/1p1Np2Q/4Pp2/N2B4/PPP2PPP/R4R1K w q - bm Qd1;
r2b1rk1/2q2p1p/p3b2Q/1pn3B1/4Pp2/P1NB4/1PP3PP/R4R1K w - - id mate in 6;
r2qkb2/5p1p/p1npb1r1/1p1Np2Q/4Pp2/N2B4/PPP2PPP/R4R1K w q - bm Qd1;
r2b1rk1/2q2p1p/p3b2Q/1pn3B1/4Pp2/P1NB4/1PP3PP/R4R1K w - - id mate in 6;
rqb2r1n/ppn1kpbp/2p3p1/4p3/3PP3/1QP2NBP/BP3PP1/3RR1K1 w - - id
white winning at high depths;
r4rk1/p2q1ppp/n1pb4/1p1p3Q/3P2NB/P3P2P/1PP3P1/2R2R1K w - - bm Nf6+;
mate in 6 for portables;
mach3 2:00
wchess plays Bf6
r1b2rk1/p4ppp/1p1Qp3/4P2N/1P6/8/P3qPPP/3R1RK1 w - - bm Nf6+;id portables;
novag vip 1:30
novag emerald 6 ply 33 sec
mondial 27 sec
star ruby 1:55 9 ply
novag scorpio & amber take > 3 min
2n1r1k1/6bp/6p1/B2Ppp2/3nN3/3P2P1/6BP/1R5K w - - bm d6;id portables;
excaliber touch chess 17 sec
mach3 63 sec
ruby sapphire 1 sec
1r2r1k1/p4p1p/6pB/q7/8/3Q2P1/PbP2PKP/1R3R2 w - - bm Rxb2;id for portables;
novag amber 30 sec
novag emarld 47 sec
novag sapphire2 25 sec
cougar 6ply 21 sec
par excellence 5 min no solve
chess genius1.6 2 sec m6 400mhz ppc
star ruby 28 sec 7ply
4r1k1/p1qr1p2/2pb1Bp1/1p5p/3P1n1R/1B3P2/PP3PK1/2Q4R w - - bm Qxf4;id for portables;
mate in 6
risc2500 19 sec
star ruby after 5 min Kf1
chess genius1.6 1 sec 400mhz ppc
r3r1k1/5p1p/bqn1pPpB/3pP3/ppnP4/P2Q1N2/1PB2PK1/1R5R w - - bm Bg7;id for portables;
mate in 6 RS 1850.......about 25 min.
novag amber 7ply 3:45 Mach 3...............2 min 57 sec.
novag constellation forte 18:00 Mondial................2 min 12 sec.
risc2500 12 sec Novag Amber... 3 min. 45 sec
novag sapphire2 5 ply 26 sec Novag Ruby.............fd-7..........3 min. 19 sec.
cm9k_skr p4-2.4 m6 4 sec TurboStar432..........41 seconds.....(level 2....!)
cm10k 9 sec m6 p4-1.8
star ruby 3:19 7 ply
r1bq4/1p4kp/3p1n2/5pB1/p1pQ4/8/1P4PP/4RRK1 w - - bm Re8;id for portables;
novag amber 42 sec chessGenius1.6 1 sec ppc 400mhz
risc2500 19 sec
cougar 5 ply 20 sec
novag emerald 58 sec
mach3 5 ply 6:53
novag sapphire2 4ply 6 sec
star ruby 28 sec 5 ply
novag obsidian 28 sec
160 star diamond > 1:34 no solve
r1b2rk1/p3bp1p/4pp2/4p2Q/1p1qNP2/1n4N1/PPP3PP/R4R1K w - - bm Qh6;id for portables;
score > 2.74
novag amber 6 ply 1:40
turbo432 12:10
novag scorpio 45 sec
risc2500 38 sec
novag sapphire2 5 ply 20 sec
mondial 17 sec
Scisys cougar 4 ply 9 sec
161 star ruby 1:16 6 ply
5bk1/R5pp/2p2p2/4pN2/8/1p2BQ2/1Pq3PP/3r2NK w - - bm Qh5;id for portables;
mach3 Qh5 32 sec
most novags play Nh6+
r3r1k1/1bq3p1/p1np4/1pp1pQN1/4P3/2PP4/PP3PPP/R3R1K1 w - - bm Qg6;id for portables;
novag amber 6 ply 1:10
novag emerald 2:20
mach3 6 ply 8:42
super constelation forte 1 hr
star ruby 50 sec 6 ply
atlanta approx 30 sec +2.7
r4q2/pp3p1k/2b2P1p/5N2/2PPpQ2/8/6PP/4R1K1 w - - bm Re3;id portables;
crafty19_3 11 sec
dell axim 590mhz
pocketchess genius1.5 9 sec
pf 52 sec
pocket grandmaster 3 min no solve
novag constelation forte 20 min
star diamond 50 min 10ply 3.34 5320 N/s
4rQK1/6P1/8/8/8/8/5R2/6k1 w - - id mate in 3 pg 96 ACC4;
Sargon Mult Sys 1:32 Mephisto II 01:40
Chess Challenger Voice 29:26 Mark V 0:06
Chess Champ Super System III 04:03 Mephisto III 1:05
Mephisto I 01:54 Chess Challngrn 9 1:37
Chess Challanger Sens Voice 21:24 Elite A/S 0:16
GGM Capa 0:11 Constellation 0:09
GGM Morphy 0:56 Belle 0:04
165 Chess Challenger Champ Sens 0:18 Cray Blitz 0:00.5
sapphire 2 0 sec m3 cm on snes 20 sec
cosmic 10 sec m3
8/8/8/8/8/5N2/5R2/3k3K w - - id mate in 6 pg 96 ACC4;
Mark/Philidor 21:17:00
Elite 37:36:00
GGM Capa 22:53:00
Belle 0:20
sapphire 2 10 min h1g2 +11.19 ply 11 no solve
atlanta 3:50 m6 Ra2
K1k5/pp1pB3/qp1P1p2/1N3P2/r3P3/3pRN1B/8/8 w - - bm Nd2;id tjocc mate in 5 pg 79 #48;
mk v 1:42:31
sapphire2 1:50 m5
pf 36 sec m6 2:00 m5
3R1B1K/5p2/2p2p2/b1rPNP1n/q1rkNP2/1Pp2Q2/1n6/5B2 w - - bm Nxc5;
id tjocc mate in 4 pg 79 #46;
8/1p4p1/1P4P1/3N1P2/p1k1p3/p3B1pQ/Pp4P1/1K6 w - - bm Qh7;id tjocc mate in 4 pg 70 #45;
mk v 6:00
sapphire2 5 sec m8
vlcd < 10 min
rs2250 1:00 m6
pf2 24 sec m10, 1:04 m6
super forte 2:05 m6 f6
mscp 14 sec
blitz 1:41 Qh7
169 cosmic 6:10
K7/2Rpp3/N1P2p2/3kPQ2/Rnp5/Bn1rpP2/2B1N3/8 w - - bm Rc8 mate in 2;
ti89 1:02 m2
tiger chess 11:19
sargon 2.5 ggm 1:17
capa no solve
cc10 12 min
super forte 2 sec
8/1n3Np1/1N4Q1/1bkP4/p1p2p2/P1P2R2/3P2PK/B2R4 w - - bm Rh1; id mate in 3;
TI89 13:40 269953 pf2 3 sec m4
crafty 0:54 m4 cosmic 2:10 m4
cm9k 0:32 m3
morphy 2:22 m3
capa0 6:47 m3
capa5 12:00 no solve
sargon2.5 L5 24:16 m3
171 sapphire ii 0:02 m6
6B1/4r3/P4p2/2N2k2/4p3/4p1Q1/4P3/K7 w - - bm Ka2;id very tough mate in 5;
crafty 0:21 m7
cm9k 7:51 m6
fritz532 0:03 m7
sapphire ii 33:00 no solve Ka2+23.8 d8
pf2 approx 3:30 m5
atlanta 4:35 m7
star diamond 47 min m7
172
7k/1R4pP/6P1/4q3/4R3/2P2P2/7p/7K w - - bm Rb2;id very tough mate in 5;
pocketfritz 15 sec m5
crafty 4:24 m9
cm9k 2:05 m5
fritz532 0:00 m5
rebel12 5 min no solve
yacepdb 6 sec m
pf2 16 sec m5
2k3KR/P5p1/3Pp1N1/2N3bb/4qp2/n5r1/5Q2/8 w - - bm Qf3;id mate in 3 #917;
sargon 22:20 ychess 4 sec
sargon 4 48 sec mschess 48 sec
pocket genius 3 sec waxman 8 sec
gnuchess 28 sec wkchess 4:15 no solve
gnu40p77 41 sec decade2 34 sec
capa 1:03 cc10 > 56 hrs
morphy 4:21 cm4k 6 sec
174 cm2100 7:50 cm9k 3 sec m3
pocket fritz 28 sec bringer 2 sec m4, 11 sec m3
sapphire ii 0:28 m5 star diamond 35 sec m7
blitz 29 sec
prizma 16 sec m4, matefinder 24 sec m4
3r2k1/p4r2/1p1P1q2/3QpPp1/1P1pP1Pp/7P/P5K1/3R1R2 w - - bm Rxd4;
id Joy of chess - Never; star diamond 14 sec 0.92 ply 9
pocket fritz 2:29 sapphire ii 0:40 0.92
chess champ mk5 17:30 mscp 1:53 134 kN/s
cm9k 0 sec, 0:05 +1.7, 8:50 +2.11 atlanta 3 sec
ruffian101 0 sec +2.14, 5 min +3.0 tlcd 28:56
fritz532 0 sec, 7:03 16/38 +2.34 pf2 3 sec
sargon4 3 min +1.49 9 ply Rxd4 blitz 4:35
175 rebel12 0:06 +2.06, 8:08 14 ply +2.94 prizma 7:23 7 ply 0.82
rs2250xl 15 sec .90 8 ply cosmic 15:00
super forte < 27 min
5k2/2Q4p/2K2N1p/1pp4p/bb2pp2/7n/8/6N1 w - - id ;
mate in 5 old chess hardware took long time CCR 1986
pf 2 sec m7, 5 min m7
star diamond 1:07 m6
sapphire 2 2:43 m6
pf2 50 sec m7
atlanta m7 42 sec
8/7N/8/8/8/p1p5/k1K5/b7 w - - bm Nf6;id #650 mate in 6;
pocket fritz 1 sec m6
star diamond 8:06 m9
sapphire ii 10:00 no solve
3B2nK/4r2p/5k2/1B3PN1/4pP2/4N3/3p3p/8 w - - Be8; id "mate in 4";
sapphire ii 7:10 m3
atlanta 10 sec m4
5R2/7r/2P4p/7N/p3p1p1/4k1P1/P7/B2K1B2 w - - bm Rf5; id "mate in 4";
sapphire ii 2:08 m3
star diamond 1:17 m3
pf2 39 sec m5
atlanta Nf4 m6 1:00
blitz Rf5 8:56 infinite
blitz Rf5 1:29 mate finder
3r4/pr2n3/1p3kp1/8/3NP1b1/3BK3/P4P1R/1R6 w - - bm Rh4!!;
id Karpov vs Kasparov Mephisto found move
pocketfritz 7:00
sapphire ii 0:42 0.15 d7, 0.50 d8
pf2 59 sec +1.12 8 ply
6Q1/r7/2K2P2/1PP1P3/pP1RP3/kr5R/1p6/1B6 w - - bm Rh8;
id tjocc mate in 3 pg 78 #43;
mk v 0:44
qn3B1K/1ppp3Q/r3p3/1p2kN2/1p1N1p2/1P3Pb1/P2P4/8 w - - bm Ne7;
id tjocc mate in 4 pg 78 #44; tough
mate in 4
mk v 1:21
super forte 2:20 m3
prisma 6:16 m4 Ne7
prisma matefinder 6:24 m4
atlanta Qg7 0 sec m7
8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w - - bm Kb1; id "VA.01";
pocket fritz 13 sec +1.75 21 ply
pocket genius 11 sec +2.31 25 ply
atlanta 5 sec
blitz Ka2 0:03 10 ply, 0:09 11 ply, 0:22 12 ply, 0:49 10 ply
1:48 14 ply, 3:58 15 ply, 9:10 16 ply
prisma 9 ply 14 sec, 11 ply 1:07
5N1R/5R2/5N2/K4k2/5p1p/1PB4b/2pp1P2/2bq4 w - - bm Rb7;
id tough mate in 6 kk1416;
pocket fritz 0 sec
sapphire ii 24:00 no solve d8
star diamond 40 min 9 ply Rh4
pf2 2:17 m6
4k3/8/4pPp1/3pP1P1/2pP1K2/2P5/8/8 w - - bm Ke3;id mate in 18;
pocket fritz 8 sec +9.6
pocket genius 14 sec +6.56
sapphire ii 0:04 +5.26, 3:00 +7.23 d28
blitz 3 sec 12 ply at 51 sec
5B1k/4pB1p/4K1p1/6P1/8/8/8/8 w - - bm Bg8;id mate in 4 #665;
sargon 6:20 wkchess 19 sec
cm3k 4 sec capa 4:53
gnu40p77 6 sec pocket fritz 4 sec m4, m6
sargon iii 6:02 sapphire ii 0:01 m6
pocket genius 1 sec rs2250xl 3 sec m4
sargon4 4 sec tlcd 48 sec m6 Kxe7
boris 2.5 hr pf2 4 sec m7 8 sec m6
186 pocket genius 0 sec m6 super forte 8 sec m3
blitz 14 sec gameboy 8:50 mate finder
prisma 29 sec cosmic 40 sec m4
8/3BpR2/3P4/8/P2P4/KQP5/ppp1p3/qkrbN3 w - - bm Bc6;id #674 mate in 5;
pocket fritz 1 sec m5
star diamond 28 sec
pocket genius 1:57 Rf8 0.00
sargon4 12 sec
1b1rn2r/1pk1q1p1/p1npBp2/2P2P2/8/6B1/Q3N1PP/2R3K1 w - - bm Qa5+;id mate in 7 for portables;
novag scorpio 2:16
mach3 1:25
risc2500 3 ply 2 sec
star ruby 3:11 mate
elite A/G 1:13 mate
7k/p2q3p/8/3p2p1/3br3/4N1P1/P3Q2P/3R3K w - - bm Rxd4;id portables;
mondial 20 min
mach3 2:25
cougar 45 sec
novag amber 43 sec
turbo432 33 sec
novag scorpio 27 sec
risc2500 6.5 sec
sapphire2 5 ply 5 sec
189 star ruby 29 sec 7ply
6r1/2rp1kpp/2qQp3/p3Pp1P/1pP2P2/1P2KP2/P5R1/6R1 w - - bm Rxg7+;
id tasc r30 portables mate in 15;
tasc r30 aggressive 6 sec
r1b3k1/1p2q2p/p5pP/4p3/1PP3r1/4Q1P1/P3N3/3RKR2 w - - bm Rd8+;id mate in 5 portables;
Qc5 leads to mate in 5 also
novag vip 2:39 portarose 2 sec
excellence 8 min star ruby > 5 min no solve
par excellence 4:49
mondial 3:52
norvag scorpio
cougar 6 ply 23 sec
mach3 10 sec
191 risc2500 3 ply 2 sec
2r3k1/1qr1b1p1/p2pPn2/nppPp3/8/1PP1B2P/P1BQ1P2/5KRR w - - 0 1
Rxg7+ mate in 9
mach3 2:9 5ply
cougar 4:00 8ply
excellence 3:20:00 8 ply
1r1k1r2/p5Q1/2p3p1/8/1q1p2n1/3P2P1/P3RPP1/4RK2 b - - bm Rxf2;
id MacHac found Rxf2! 9 ply;
tccb pg 174
boris/sargon2.5 finds on level 5
mscp1.4 1 sec solves on level 4 +2.59, level 8 +5.42
8/5p2/4pP2/3pP1p1/N2P1kP1/2P2p1P/2K2P2/8 w - - 0 1
bm Kd2; mate in 8
star ruby no solve in 19 min
6k1/p5p1/K6P/8/4p3/4p1p1/4P1P1/8 w - - bm h7+;id not a draw, large positive score;
mscp1.4 level8 no solve hxg7
2Rb2k1/1p2qbp1/5p2/4pQ1p/4PP1N/6BP/6PK/5r2 w - - bm Ng6; "icc game";
r1b1qbk1/7p/4p1p1/1p2Bp2/p1B2Q2/P3P3/1P3PPP/3R2K1 w - - bm Bc3;id portables;
novag scorpio about 2 hours
mach3 6ply 4 min
risc2500 2:46
sapphire2 7 ply 1:58
cougar 6 ply 30 sec
star ruby 5 min no solve
mscp1.4 2:42 level8 0.48
star diamond < 14 min
8/8/8/8/8/8/p1Q1p1K1/k1B5 b - - bm e1=N;id portables under-promote to a knight;
mscp1.4 promotes to knight at level 2
2k5/2P3b1/2Kpp3/pp4pR/1p2pp1r/5B1n/8/1R1n4 w - - bm Ra1;id KK 2440 mate in 4;
mscp 10 sec
4R3/3p2Bn/4prB1/1Nppk2p/1P1b3P/4rbP1/1pP2P1N/1K1R4 w - - id portables;
novag constellation 160 sec
mscp sd 5 4 sec
tlcd 1:49 m4
star diamond 1 sec m3
cosmic 3:25 m3
8/5B2/6Kp/6pP/5b2/p7/1k3P2/8 b - - bm Be3;id hand held chess >-3.0;
8/8/ppPP4/kp1Pp1P1/1p2P1pb/1K1P4/P4B2/8 w - - bm Bxh4;
mate in 4, six solutions
id crafty says mate in 4 others say mate in 12;
mscp 1 sec
2r2rk1/p3bb1p/2n1Q1p1/q2pP3/3P1P2/p1NB1NR1/1P4P1/1K1R4 w - - bm Bxg6;
;id large negative score then large positive score Mate in 7??;
crafty 6 min score turns positive
atlanta starts -2.5 Qh3, < 30 min Bxg6 -2.0
2r3k1/pp2n3/6pQ/4q3/8/2P1p1P1/P5BP/3R2K1 w - - bm Bd5+;id portables;
novag scorpio 2:13
mach3 6:32
risc2500 1:35 6ply
star ruby > 5 min no solve
cougar 15 min
atlanta brute < 6 min
star diamond 1:00
r2qkb1r/1ppn1ppp/p4P2/7P/2B5/5N1P/P4P2/q1BQ1RK1 w kq - bm Bxf7+;
id mate in 6 for portables;
novag amber 15 sec
star ruby 16 sec
8/8/2B1N3/3rp3/4k2K/7Q/2r3Pn/1b1N4 w - - bm Kh5;id mate in 5 portables;
R30 mate level #5 48 sec
atlanta brute 7:37 m5 2:35 m8
star diamond 2:17 m7
1r3q1k/p7/2p2r2/2RPp3/QPB1P1b1/5P1n/7P/5RNK w - - bm Qa1;id portables;
novag scorpio 38 sec
risc2500 65 sec
5r1k/7B/4KpQp/6bP/8/8/3p4/8 w - - bm Bg8;id portables mate in 6;
mach3 1:28
novag scorpio 30 sec
fidelity excellence about 8 min
star ruby 17 sec 8 ply
cougar 29 sec
mephisto lyon 32 bit 2 sec
rQ3Kbr/2pp2P1/3n3P/2N2Pn1/2P1p1qb/4N3/4RRP1/k7 w - - bm gxh8=Q;id mate in 1;
3R1n2/1Q1r4/p2Nb3/2p3N1/2Pk1PP1/1p1P1prp/4pn1P/2K1B1b1 w - - id mate in 2;
Mephisto B&P: <1s
bKN5/B7/pPP1R1n1/Q4p2/2k5/2p3p1/3p1R2/nr1N3B w - - bm Re1;id mate in 3;
Mephisto B&P: 29s,
Mephisto Amsterdam 68000: 17s.
3K4/8/2ppp3/2pkp3/2ppp3/8/4P3/3Q4 w - - bm Qa1;id mate in 4;
Mephisto Academy: 51s,
Mephisto B&P: 18s,
Mephisto Amsterdam: 15s,
Mephisto London 68020: 2s.
blitz 1:02
cosmic 2:12 m4
3r3k/R4P1p/3p1K1N/4P3/8/1qp3R1/8/8 w - - bm Ra8;id mate in 5;
Mephisto B&P: 16m 30s,
Mephisto Amsterdam 68000: 15m 50s,
Mephisto Academy: 9m 44s,
Novag Diablo 68000: 6m 14s,
Mephisto London: 68020: 2m 59s,
Tasc R30 v2.5: 14s.
pf2 22 sec m6 e6, 50 sec Ra8 m5
atlanta 7 sec m5
213 rs2250xl 1:00 m5
k7/Pp6/1p6/1p3B2/1p3K2/1p6/8/R7 w - - id mate in 6;
Mephisto Amsterdam 68000: 1h 12m 46s,
Mephisto B&P: 50m 14s,
Novag Diablo 68000: 37m 58s (11.732kN),
Mephsito London 68020: 5m 41s,
Fidelity A/G 68060 (V11): (18s on inf lev),
Tasc R30 v2.5: 2m 58s (34s on inf level).
atlanta Be4 m7 5 sec
3B4/7p/p6P/p5p1/7k/8/P5P1/K2B3N w - - id mate in 7;
Fidelity A/G 68060 (V11): 1h 15m (inf level)
Tasc R30 v2.5: 1h 15m 49s,
Mephisto London 68020: 1h 06m.
r1b3r1/1p1n1kpR/p3p3/2q1P1Q1/3R4/2N5/PPP2PP1/2K5 w - - bm Rxd7+;id portables;
Rxd7+....Alekhine.....1931.
Mach 3....57 sec.
Novag Scorpio....32 sec.
Risc 2500....14.6 sec.
Portarose.......about 7 sec.
Novag Sapphire 2.......4 ply.....7 sec..!
novag amber and novag emerald > 5 min
atlanta < 50 sec
2kr3r/1pp1bppp/p1pq1n2/4p3/4P3/P1NP3P/1PP1QPP1/R1B2RK1 b - - bm h5;id portables;
mephisto pulgar 25 sec
mach3 16 min
may be other best moves
8/6pk/7p/2R2p1q/pp4n1/7P/P3Q1P1/7K w - - am Qxg4;bm Kg1;id portables;
mephisto dallas sees past Qxg4
3Q1qk1/pb3pr1/4p3/4N2p/8/4PP2/6PP/3R2K1 w - - bm Qh4!;
Mondial...................9 min........no
novag Scorpio.........3 min. 20 sec.
Mach3........................36 sec.
Turbo432.......................8 sec.
RISC 2500.....................6 sec.
Cougar...........4 ply........3 seconds!
1b6/1P2k3/1PK3Pp/7P/5p2/4pB2/8/8 w - - bm g7;id portables;
risc2500 4 sec krypton challenge 4:10
mephisto vancouver 68k 5 sec mephisto amsterdam 11:30 7/16 ply
tasc r30 < 10 sec mephisto2 3.5 mhz 41:00
novag diablo < 10 sec mephisto3 8 mhz 45:00
par excellence 10 sec mephisto atlanta > 60:00 < 180:00 17 ply
mach3 10 sec 6 ply saitek turbo king no solve 60:00
super forte A 15 sec saitek gk2000 nosolve 60:00
tiger grenadier 21 sec saitek analysis D++ no solve 60:00
220 mephisto mm5 24 sec mephisto1 > 2 hours
meph academy 26 sec 6ply intelligent chess not in 3 hours
mephisto mm4 28 sec saitek centurion not in 6 hours
mephisto polgar 34 sec 7 ply star diamond <15 sec +4.00
novag super vip 35 sec rs2250xl 30 min Kd5
cc sensory12 40 sec blitz 4:11
meph modena 50 sec 8 ply cosmic 5:00
sphinx titan 51 sec 6 ply
milano 1:30 7 ply
constellation3.6 2:30
mephisto mm2 2:40
4N3/P2k2p1/1np5/5P1p/1P1K4/8/8/8 b - - am Kxa8;bm h4;id portables;
pf1 h4 2:00 score -5.00 to +1.1 in 11 sec
saphire2 50 sec
star diamond 42 sec
pf2 5:04 h4 +2.61
1NBk4/p2p4/8/3K4/8/8/8/8 w - - bm Bb7;id portables;
pf1 5 sec Bb7, 10 sec +6.58
sapphire2 Bd7 5 min 0.00
star diamond Bd7 3:30 +4.23
ipac pocket grandmaster 19 sec
ipac ruffian 10 sec
8/kp6/4R3/1P2K3/8/3pp3/8/8 w - - bm Kd6;id portables;
sapphire2 30 sec +4.19
star diamond 14 sec +4.19
pf1 5 sec +6.27
mach3 1:30 7 ply
r1bq1rk1/2p1bppp/p7/1p2n3/4Qn2/1BP5/PP1P1PPP/RNB2RK1 w - - bm d4;
id portables HAL9000;
pf1 d4 instatly
star diamond < 14 sec d4 +1.50
2rq4/p3bk2/2p1pp2/3p3r/N2Pb1p1/4P1B1/PP1Q1PP1/2R1RK2 b - - bm Bf3;
id portables mate in 5;
RISC......23 seconds
Mach3 about 6 minutes
3r3k/p5qp/bp2B1p1/n2P1p2/5N2/Q1R5/P4PPP/6K1 w - - 0 1
bm Qb2
Novag Constelation Forte...level 4...55 seconds finds it!
Turbo 432 after 5 min. just plays Qc1
Fidelity Excel Mach IV(6110) finds it in 10 seconds and 5 ply
r5k1/p1q2ppp/2pb2r1/3p4/6b1/1P2PN1P/PB3PP1/2RQR2K b - - bm Qd7 or Qc8;id portables;
Mondial..........1 hour, 15 min.
Novag Scopio.... 1 hour, 14 min.
Cougar.............about 13 min.
RISC 2500..................3 min. 11 sec.
mach4 35 min 8 ply BxN
constellation forte about 4 hours
star diamond 8 min
palm tungsten hiarc 9.5a 39 sec 7 ply
227 palm tungsten genius2.2 22 sec 7 ply
sony ericsson p800 40 sec
8/pp3p2/5p2/5p1P/1P1bk3/P5B1/2K5/8 w - - bm Bf4;id white wins portables;
Excellence......2:20
Mondial............55 sec.
Mach 3......29 sec.
Novag Scorpio......3.2 sec.
Fidelity Excel Mach 4 doesnt find it after 5 minutes and 8 ply (selects h6)
1k5r/1r1B2pp/1PQ5/4pp2/R7/3q3P/1P3PP1/6K1 w - - bm Bc8;
id mate in 9 for portables. no need to announce mate;
Mach 3 takes 2 min. and 5 sec. to find...Bc8
Cougar......2:20
RISC...........42 sec.
Novag Sapphire 2.........only 4 ply......just 2 seconds....unbelievable!!!
Excel Mach 4 21 sec 5 ply
resurection 3 sec m9, 113 Knodes
2rq4/1p2pk2/p1rp1ppQ/3Nn3/4P3/7R/PPP3PP/5R1K w - - bm Rxf6+;id portables;
Novag Emerald...............about 25 sec.
Cougar..................5 ply.....8.4 sec.
Risc...............................5.7 sec.
2r1r2k/1q3ppp/p2Rp3/2p1P3/6QB/p3P3/bP3PPP/3R2K1 w - - bm Bf6;id mate in 6 portables;
Cougar.....7 ply ....60 seconds
Risc..................43.7 sec.
London Pro 1min 14 secs
Mephisto Atlanta 9 sec see move, 3 min no mate
Mach IV wants to play R(D1)-D2 at 11:40 8 ply
2r3k1/1q3p1p/pp1Qp1p1/8/P2P4/4P2P/2r2PP1/RR4K1 b - - bm Rxf2;id portables;
Mach 3....7 ply........15 minutes
Novag Scorpio.............4:38
Cougar.....................1:39
Risc........................26 sec.
Excel Mach 4.....7 ply..5:24
pf2 1:14 Rxf2 ply 8
Atlanta 13 sec
R7/5P2/2P5/3PpP2/1p2p3/4p3/1p1pP3/bk1K4 w - - bm f8=B;
Mate in 8
blitz mate finder just over 6 min
pf2 6186 nps m10 1:41, m10 after 25 min
star diamond 29 sec m8
7N/7p/8/3pPB1P/3prP1p/1P1kb2R/1P1p3B/3K4 w - - bm Rf3;id mate in 4;
mscp sd 8 4 sec
4r1k1/rp2Bppp/p1b5/1q2Q3/R7/1P5P/P4PP1/3R2K1 w - - bm Qxg7+;id mate in 10 portables;
Saitek risc 9 sec finds Qxg7+
3r2k1/2p2ppp/p1q5/8/1pP5/1P2b1PK/P1Q1N2P/5R2 w - - bm Rd5;id portables;
novag amber 40 sec
mach iii 2:15 5 ply
2rr2k1/2q2pp1/4pn1p/pQB5/3P4/4PP2/1P3P1P/2R2RK1 b - - bm Rd5;id portables;
Scisys SuperStar........about 25 minutes
Novag Constelation Forte......1 min. 12 sec.
Novag VIP.......................34 sec.
Cougar.............5 ply.........10 sec.
Mach 3............................4 sec.
Mach 4 after 7:24 Rb8
3R4/5r1k/p4rp1/1p5p/1P1QP1qP/P5P1/2R3K1/8 w - - bm Qxf6;id portables;
Turbo 432..................20 min.
Fidelity Excellence.......6 min. 38 sec.
Radio Shack 2200-X..........1 min. 45 sec.
Mach3............................58 sec.
Cougar.............................12 sec.
RISC...............................7.6 sec.
Mach4 27 sec 5 ply
pf2 45 sec Qxf6 ply 8
2
6rR/1P1R3P/4Pkrp/4N2B/K5PP/PpP5/1Qppp3/n1B1R3 w - - bm Nxg6;
id very tough mate in 4
...d1=Q, hxg8=B Qxd7+, exd7 Kg7, c4++;
…Ra8+, bxa8=Q, dxe1=B, Rf8+, Kxe6, Qe8++
4r3/QP1PPbkN/2P3N1/2KB4/2PP2P1/8/3ppp1R/B2N1R2 w - - bm Bxf7;
id mate in 4 ... exf1=Q, dxe8=Q Qxc4+, Bxc4 f1=Q, Qg8++;
r2q1rk1/2p1bppp/p2p1n2/np2p3/3PP1b1/1BP1BN2/PP3PPP/RN1QR1K1 w - - bm dxe5;
Saito Risc ....19 sec.
Atlanta 6 sec
2B1r3/b2q2Np/1B3p2/2r2Rp1/2QP1pk1/1Pp3P1/4b2n/2KN2R1 w - - id BB #714 mate in 4;
capa 41:41:28
mspc sd6 50 sec
star diamond 3:12 m3
atlanta 16 sec m4
r1bq1rk1/pppnnppp/4p3/3pP3/1b1P4/2NB3N/PPP2PPP/R1BQK2R w KQ - bm Bxh7+;
Novag Emerald.......7 ply.....4 min. 10 sec.
Mach 3.......6 ply ....4 min.
Polgar..................3 min. 30 sec.
Risc............5 ply........10 sec,
Novag Constellation Forte 2ply 2 sec
4k3/3R1R2/8/8/2K1Nr2/4Q3/8/8 w - - id tough mate in 2;
1. Qf3 .. Rxf3 2. Nd6++
r4rk1/p5pp/1qp5/1pn1pN2/4P3/Q4Nb1/PPP1K1P1/R6R b - - bm Rxf5;id portables;
risc 2500 7 ply 4:38
mach 4 7:00 7 ply no solve
star diamond 2:35
saitek cougar 25-30 min
rn1qk2r/1b2bppp/p2ppn2/1p6/3NP3/1BN5/PPP2PPP/R1BQR1K1 w kq - bm Bxe6;
sapphire2 40 sec 6 ply
novag constelation forte 4.4 sec 3 ply
mach 3 7 hours no solve
risc 10 min no solve
cougar 10 min no solve
rn1qkbnr/pp2ppp1/2p3bp/8/7P/5NN1/PPPP1PP1/R1BQKB1R w KQkq - bm Ne5;
rs 2200x 15 sec/move
7k/1pn4p/p1q2bp1/8/P2B4/1B6/4QPPP/6K1 w - - bm Bb2;id portables;
turbostar432 1:50
RS mega2050x 45 sec
RS master220x 31 sec
cougar 5 ply 12 sec
novag constelation forte 4 min
novag emerald classic 40 sec
rn1qrbk1/2R2ppp/2p5/p3p3/Q7/P2PBNP1/1P2PPBP/6K1 w - - bm Rxf7;id portables;
mach 3 1:15
super novag (6 MHz) 1:34
cougar 7 ply 1:54
2r1nrk1/p2q1ppp/bp1p4/n1pPp3/P1P1P3/2PBB1N1/4QPPP/R4RK1 w - - bm f4;id portables;
risc 4 ply 2 sec
2r2rk1/p1N2p1p/2P1p1p1/1Pp3q1/3b4/5Q2/P1P3PP/4RR1K w - - bm Nxe6;id portables;
Mach 3...........8 ply.......38 minutes
Novag Scorpio................11 min. 57 sec.
Super Novag......6 Mhz.........3 min. 12 sec.
RISC 2500.............................7.7 seconds!
rn2kb1r/pp2pp1p/2p1qp2/8/8/5N2/PPPBQPPP/2KR3R w kq - bm Qd3;id portables;
Mach 3.........3 ply 1 second...
Turbo 432...........22 seconds
R5Nk/7p/4pbpP/n1p4n/2p1b3/K1p3pq/8/8 w - - bm Rb8;id portables - mate in 6;
Using chess genius
tungsten c 44 sec 72624 n/sec
tungsten t3 55 sec
zire72 57 sec
sony clie nx70v 116 sec
sony clie nx-60 125 sec
zire71 148 sec
tungsten e 166 sec
254 zire21 171 sec 18687 n/sec
dell axim 34 sec 93985 n/sec
rnbqk2r/pp2nppp/4p3/2ppP3/3P4/P1P5/2P2PPP/R1BQKBNR w KQkq - bm Qg4;
Fritz8......20 sec.....(P3-850)
Make sure Book is OFF for this test.....
Novag Sapphire2.......5 ply.....7 seconds!
Mondial......level 3..............45 seconds
r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - - bm Bxg6;id portables;
Tough position
mephisto III 9:58
r3n1r1/1pq2ppk/1p2p2p/1b2N2N/8/6Q1/PPP2P1P/1K1R2R1 w - - bm Rd7;id portables;
Mach 3 takes...14.7 sec.
Novag Super VIP.....1 min. 18 sec.
Turbo 432.......2 min. 34 sec.
Mondial.......3 min. 40 sec.
Mach 4 V6 took 5 seconds.. three ply to find it
7K/P1p1p1p1/2P1P1Pk/6pP/3p2P1/1P6/3P4/8 w - - bm a8=N;
id 4 under-promotions to mate in 10;
6k1/8/3pNQp1/2p1p1P1/1pP1Pb2/rP6/8/1K3R2 b - - id portables, mate in 5;
mate in 5 that TASC R40 found in game with Res 05
Atlanta 5 seconds
r3k3/2p3pp/1np1b2q/2NpP3/pQ4PB/7P/PPP5/1K3R2 w q - bm Na6;id portables 6 ply;
Mach 3 takes level 7 .......1 min. 21 sec.
Mondial......................4 min. 25 sec.
Par Excellence...............3 min. 52 sec.
Old Novag..Super Constelation....level 3.........24 seconds!
Mephisto Lyon finds it in 12seconds.
5k2/6p1/pp5p/2bQ4/8/6P1/PP3PKP/2r5 w - - bm Qd8+;id portables;
TurboStar432..about 3 or 4 minutes
Novag Amber 15 sec.
Cougar .....12 sec.
Novag Sapphire2........7 sec.
Excel Mach IV V6 makes the move in 18 seconds
6r1/p1pq1p1p/1p1p1Qnk/3PrR2/2n1P1PP/P1P5/4R3/6K1 w - - bm Rh5+;
id mate in 11 for portables;
Mach 3 at level 1 finds all moves to this mate in 11....!
Mach IV 61 seconds and 6 ply to see RH5+
2r3k1/1qr1b1p1/p2pPn2/nppPp3/8/1PP1B2P/P1BQ1P2/5KRR w - - bm Rxg7+;
id portables mate in 9;
Mach 3 takes 5 ply and 2 min. 9 sec. to find...1. Rxg7+
Fidelity Excellence takes 3 hours, 20 minutes to find it....8 ply.
Excel Mach 4...5 ply ..1 minute 2 seconds
3q2k1/1R3p2/1p2p1pp/3nP3/4Q3/P2B1PP1/1P3PK1/r7 w - - bm Rxf7;id portables;
6 ply test
Mach 3 takes 7 min. 51 sec.
Cougar.....6 ply.......54 seconds
Novag Constelation Forte......58 minutes.
Mach IV took 2min and 56 seconds
Atlanta 6 seconds
r1qr2k1/pb4p1/1pn1pb1p/5p1Q/2P2B2/P1RB2N1/1P3PPP/4R1K1 w - - bm Nxf5;id portables;
Mach 3 takes 3:12
r6r/pp2bkpp/2n1Np2/8/3B4/5Q2/qPP2PPP/3RR1K1 w - - bm Bxf6;id mate in 15 or less;
Fritz 7 .....45 sec. P3/850
RISC takes 2 min. 17 sec.
novag Scorpio...takes 6 min. 45 sec. .....at 6 ply
2r1r2k/1q3ppp/p2Rp3/2p1P3/6QB/p3P3/bP3PPP/3R2K1 w - - bm Bf6;id portables;
Cougar 7 ply......60 sec.
RISC...............43 sec.
Fidelity Mach II Los Angeles > 11 minutes no solve
Atlanta less than 12 seconds
rn1qr1k1/pbp2pb1/1p4p1/3p4/3P4/2NBPN2/PPQ2PP1/R3K2R w KQ - bm Bxg6;
id portables, Bxg6 tough for dedicated;
sapphire2 finds at 3 ply
Excalibur GrandMaster 5 min no solve.
r1b1r1k1/1p1n1p2/p1nBp1p1/q2pP1Np/P7/R2B3Q/2P2PPP/5RK1 w - - bm Nxf7;id portables;
Novag Scorpio finds....1. Nxf7 in about 25 minutes.
RISC.......takes 8 ply............in 20 minutes..
1q1N4/bp1r1N2/pk6/3p1p2/Pp4n1/1P6/1BQK1PnP/5b2 w - - 0 1
Mate in 7
Just find...1. Qc5+
does not have to announce a mate.....
Fidelity Excellence........4 min. 54 sec.
Mach 3.....................1:48
Novag Scorpio................28 sec.
Novag Sapphire 2..............4 ply......5 seconds
RISC..........................2 ply.......2 seconds!
270 Novag Amber ..3min 2 sec. Ply 7
even after 11 ply and 25 minutes it won't announce mate
Mephisto Lyon 32bit - 1 sec Qc5 +7.66, 5 sec Qc5 m7
1q1rr1k1/1b3ppp/1p6/p7/PnBN4/4QP2/1P4PP/2R1R1K1 w - - bm Qg5;id portables;
Deep Though played Qg5
Excellence takes about 6 minutes
Meph. Mondial..............1 min. 47 sec.
Cougar........6 ply......31 seconds
Mach3....................18.8 seconds
Novag Sapphire 2..(5 ply).....14 seconds
Novag Scorpio..................12 seconds
2r1r1k1/1q1n1bb1/1p3p2/1p1p2p1/3P2P1/B2QP2N/P2N2KP/2R2R2 b - - 0 41
Novag Constelation forte...finds it at 3 ply...in 5 seconds!
Excel Mach IV (V6) after a full five minutes and a 7
ply search will only play ..Qa7
Q7/1p3ppk/3P3p/2p1N3/4b1P1/3PP2P/5R1K/1q4r1 w - - am dxe4;id portables;
chess tiger on tungsten E takes 8:43:00 to avoid dxe4
5r1k/p4Ppr/5p1p/2R4Q/7b/8/R5Kn/6n1 w - - bm Rc8;id portables mate in 5;
RISC takes 90 sec.
Mach 3 ......6 ply......4 min, 10 sec.
Novag Scorpio.......7 ply....... about 6 minutes.
res-fruit 6 sec
7n/5p2/5Np1/5pP1/5pbB/5k2/5Pr1/3K3B w - - bm Ke1;id mate in 3 - tough for some engines;
cosmic 1 sec m3
2r3k1/1r3p1p/4p1p1/ppqbP1B1/3R3Q/P1P5/1P4PP/1K3R2 w - - 0 1
mate in 6 Qxh7+
1k3b1r/2p1npp1/Q1n3qp/8/5B2/2N5/PPP2PPP/2K1R3 w - - bm Bxb7+;
id or Qb6+ for portables;
1rr2kn1/1p3p2/p2p1q1p/3PpP2/1P4R1/3B2P1/P2Q1PK1/7R w - - 0 1
Rxg8+
Novag Sapphire2....takes 8 ply and about 6 minutes to find....Rxg8+....
Res-Toga I finds it in 6 ply and 19 seconds
Excel Mach IV finds it also in 6 ply and needs 2min and 6 sec
Star Diamond 54 minutes
Atlanta 58 seconds
r3r3/pp6/2pk1p2/6p1/2P1Q3/4P3/PP2KPPP/5B1R w - - bm c5+;id coko played this move;
b1r2r1k/p1q2ppp/Pp2nN2/3pN3/3P2Q1/R7/1P3PPP/4R1K1 w - - bm Qg6;id portables;
fidelity Excellence takes about 3 min. to find Qg6...!
Mach 3 has trouble with this one
Novag machines also have trouble with this one....
CXG 40 LE Qxe6 after 10 min
Fidelity Excel Mach IV plays Qxe6 after 8 minutes and 7 ply
Mondial 4:40 Qg6
2rr2k1/5p2/1pn3P1/p6Q/N3q1P1/P6R/KPp2R1P/8 b - - bm c1=N+;id portables mate in 6?;
sapphire ii 21 sec
2r5/2pR1pk1/p1P3p1/P2K4/5P1p/5P1P/8/8 w - - bm Rxc7;
mach iii no solve after 5 hours
4r1k1/1pp2rpp/8/nPBQp2q/5p2/6P1/P3PP1P/3R1RK1 w - - bm Qe6;id portables;
Novag Constellation forte finds Qe6 in 45 seconds!
1r4rk/2pq1pp1/p1np1n1p/4pP2/B7/2PPB1RP/3Q1PP1/R5K1 w - - bm Bxh6;id portables;
Novag Sapphire2 takes 4 ply and 2 seconds
Mach IV Q-a2 even after 8 full minutes and 7 ply
Phoenix Resurrection-Ruffian Qa2 after 5 min 9 ply
8/2n2KN1/3k4/4N3/2pPr3/2P5/8/8 w - - bm Nf5+;id mate in 10;
Novag Saphhire 2 .....ann. mate at move one..also 4 ply...!
1n1r1rn1/1p1qb1kp/p2p1pp1/2pPp1P1/4P2N/2P3P1/PPB2PK1/R1BQ3R w - - bm Nf5+;
Mach 3 takes about 60 minutes..!
Novag Scorpio......takes 1 min. 25 sec.
Mach IV 15 minutes no solve
r3r3/pp3k1p/2p1p3/3n1bp1/P1BPq3/4P1Q1/1P1B1PP1/R1R3K1 w - - bm f3;id ;
whte to move and win
r4rk1/ppp3p1/2bpq3/5pPR/3Qn3/5N2/PPP2PP1/2K4R w - - bm Ne5;
White plays...Ne5...!
Mondial.......20 min.
Mach 3........17 min.
RISC..........45 sec.
Cougar........6 ply.....35 sec.
Radio Shack 2250XL same time ad Cougar - same program
5k2/1pp2ppp/5n2/3r4/7Q/r4P2/q5PP/2B1RB1K w - - bm QxN;
RISC............................4.9 sec.
Cougar...........5 ply.......5.8 sec.
Novag Sapphire2..............6 sec.
Novag Scorpio..................35 sec.
Mondial...................................38 sec.
Mach3.............5 ply......1 min. 25 sec.
Novag Super VIP............1 min. 46 sec.
r1bqkb1r/2pp1ppp/p1n5/1p2p3/3Pn3/1B3N2/PPP2PPP/RNBQ1RK1 b kq - bm d5;
id 1994 Computer Chess Reports pg 28 #16;
Junior5........takes 30 sec.
Ruffian 1.0.5.....about 1 second.......................AMD 64 Athon 2.4 Ghz
Mondial....a dedicated machine takes 33 minutes to find it.
Polgar...another dedicated machine, takes 7 ply....and 21 minutes to find it.
r4r1k/4b3/p1ppP3/1n2p2q/2Q1P1p1/2PBBpP1/1P3P2/R2R2K1 b - - 0 1
Mate in 9
bm Kg7 time to find best move
Novag Sapphire2 takes 5 ply and just 14 sec. to play Kg7,
Constellation Forte takes about 15 minutes to find......Kg7
1qr1rb1k/pb4pp/1p3n1N/nN6/2p5/5Q2/PB3PPP/1BRR2K1 w - - bm QxN;id portables;
RISC....found this in 3.4 sec....!!
Mach 3......7 ply......50 minutes.
Novag Scorpio...........11 min. 30 sec.
Super Novag 6 Mhz.....3 hours ...no...(it played Qh3 after 3 hours)..
Le Citrine 23 sec 6 ply
r4k2/1ppn1pp1/1n5p/p7/Pq1PQ3/5N2/1PB2PPP/4R1K1 w - - bm Qh7;id for portables;
The Super Forte 6 Mhz..............7 ply....took 17 min. 58 sec.
The old Novag Scorpio found it in 1 min. 45 sec.....
RISC......1 min. 10 sec......at 6 ply..
Le Citrine finds Qh7 in 6 minutes and 57 Seconds and 8 ply
Mach3 which took 7 ply ... 15 min. 45 sec
1r4k1/p1p2pp1/2p4p/3pr1q1/4Pbb1/1NPB4/PPQ2PPP/4RRK1 b - - bm Nh2+;id mate in 4;
RISC.................3.8 seconds
Mondial...................14 seconds
Novad Sapphire2......5 ply.....15 seconds
Mach3.....level 6......53 seconds
Fidelity Excellence......level 8......3 min. 16 sec.
Novag Constelation Forte....takes 5 min. 34 sec
Novag Scorpio................7 ply..............about 11 minutes.
Maphisto Polgar...5 Mhz.....after 6 min...did not find it ...so gave up...
293 Novag VIP..7 min. 15 sec.
Novag Scorpio..7 ply.about 11 minutes
Le Citrine plays Bxh2+ in 33 seconds and 6 ply
Gameboy Micro Chessmaster 52 seconds to find the mate in 4.
Tandy 1850
--Mate solving mode = 22mins 30secs
--Infinite level = 35mins 5secs
So much for the 'ultra fast 8Mhz' CPU
Radio Shack Master 2200X
--Mate solving mode = 52secs
--Infinite level = 18secs.
1R6/8/8/8/6K1/8/pBp1p1p1/1k5b w - - bm Be5;id mate in 7;
Time to announce move.
Fidelity Excellence takes one hour and 20 min. to find Be5...!
Super Novag C6...............8 ply...........19 min. and 10 sec.
Mach 3 takes 7 ply..............................10 min. and 13 sec.
RISC 2500.....found it in 1 sec. and even announced mate in 7...!
r2r1k2/1p3p2/2b1p3/1p2Q3/P2P4/R7/5K2/3R4 w - - bm Qf6;id portables;
Novag Sapphire 2 find it in just 14 seconds at 5 ply.
Super Novag C6..........27 sec.
Novag Constellation Forte......53 sec.
RISC...............1 min. 15 sec.
Radio Shack 1850............about 15 minutes.
Polgar 5 Mhz..........8 ply.............40 min.
RS 2200X, about 4 min. and 20 sec
Excalibur Deluxe Talking Touch Chess >10 min no solve - 6 ply
r3qr1k/pp3pbp/2pn4/7Q/3pP3/2NB3P/PPP3P1/R4RK1 w - - bm Rf6;id portables;
TurboStar-432.............about 21 minutes.
Mach 3........... 6 ply......3 min. 34 sec.
Cougar.....7 ply....1 min. 55 sec.
Novag Amber........40 sec.
RISC 2500...........37 sec.
Novag Sapphire2.......6 ply.......30 sec.
3r2k1/p2r1p1p/1p1b1pq1/8/5B1Q/2P4P/PP4P1/4RR1K w - - bm Re3;id portables;
Novag Scorpio........17 min.
Mach 3....................6 ply........5 min. 40 sec.
Novag Constelation Forte.......level 5..........2 min. 3 sec.
RISC2500......level 5...........63 sec.
2r2rk1/1b2q2p/4pPpQ/p1b3Nn/PpN5/3B4/1P3PPP/2RR2K1 b - - bm Bxf2+;id portables;
Novag Sapphire2..Bxf2+ in about 20 minutes
Novag Star Sapphire finds Bxf2+ in 4:57 and 8 ply
3q2k1/1R3p2/1p2p1pp/3nP3/4Q3/P2B1PP1/1P3PK1/r7 w - - bm Rxf7;id portables;
Novag Sapphire2.........5 ply.......8 sec.
Saitek Cougar.....6 ply......55 sec.
Novag Amber.......3 min 16 sec.
Mach3.......6 ply......6 min 41 sec.
Novag Scoprpio.......10 min 45 sec.
Mondial......................27 min. 51 sec.
Novag Super Constellation Forte........one hour....7 min.
Fidelity Excellence.................2 hours....55 min
299 Novag Star Sapphire….14 sec 6 ply
Novag Citrine 2:30
Mephisto master 7 sec
iPAQ 2790 624Mhz
PocketGrandMaster 3.0 with Fruit 2.1 and 16 mb hash finds Rxf7 in about 2 sec
Pocketfritz2 with 16 mb hash find Rxf7 in about 3 to 4 seconds
Pocket Champion with the Pocket Delfi 4.5 engine took 8 seconds to see Rxf7.
Pocketfritz2 E125 20 sec
1r4k1/p1p2pp1/2p4p/3pr1q1/4Pbb1/1NPB4/PPQ2PPP/4RRK1 b - - bm Bxh2+;
Mate in 4
Citrine 32 sec 6 ply 4000 nodes/sec
4k3/3q1p2/5bpp/4pP2/P5QP/1P1P2P1/1B3P1K/2R5 w - - bm Qb4;id portables;
Turbo-432 takes level 5....in one min. 17 sec.
Novag Emerald...........28 sec.
Novag Sapphire 2...takes......5 ply......8 sec.
r1bqk2r/ppp2ppp/2n5/4P3/2Bp2n1/5N1P/PP1N1PP1/R2Q1RK1 b kq - am Ngxe5;
par excellance 20 min Ngxe5
constellation forte 30 min Nh6
sapphire II 37 sec Nh6 7 ply
RS 2150 8:30:00 Nh6
r1b3k1/1p4pp/p2p1r1q/P2Ppp1n/R3P3/2N2P2/1P3QPP/5BRK b - - bm Ng3+;
Novag Diablo finds NG3+ in 10 seconds
2r4r/2q2k1p/pp1p1ppB/3Pb3/P1P5/8/1P2Q1PP/R4RK1 w - - bm Rxf6+;id portables;
RISC......1 min. 6 sec.
Novag Sapphire2.......1 min....53 sec.
Mach3.......................10 min. ...6 ply
Novag Scorpio.........25 min. ......7 ply
Diablo finds Rxf6+...in "only " 19 minutes and 46 seconds and 7 ply
5k2/8/1PR1p1p1/3p3p/8/1K4P1/7P/5r2 w - - bm Rc2;id need hash tables;
Novag Amber no solve
Elegance A(3Mhz) 18 min
Elegance B(3.6 Mhz) 15 min
PF2 24 sec +3.01
Sapphire(I) plays Rc2 +4.07 8 ply
Roma 16 AND 32 modules play Rxe6 after 6 minutes and even after 15 minutes
TASC R30 picks Rc2 after 106 seconds -7 ply searching just under 515000 pos
r6r/pp2bkpp/2n1Np2/8/3B4/5Q2/qPP2PPP/3RR1K1 w - - bm Bxf6;id portables;
Novag Scorpio takes 6 ply ........6 min. 45 sec.
RISC takes ..............................2 min. 17 sec.
Fidelity machines have trouble with this one...
Most programs try Nxg7 first..
after 10 minutes and 9 ply the Saitek Brute Force plays Nxg7
Novag Sapphire2 does the same thing...Nxg7...etc
4kr2/1p2n3/2qQPp2/p1P4p/1b1P4/7P/6P1/1R3R1K w - - bm Rxb4;id portables;
Novag Sapphire2....takes 1 min. 10 sec.
RISC takes 40 sec.
r4rk1/p3qppp/2Q2n2/3p1b2/1B3P2/N3PN2/PP4PP/R3K2R b KQ - bm Qxe3+;
Novag Constellation Forte takes about 14 minutes to find....Qxe3+
Novag Sapphire2 takes about 3 min. to find it.
Saitek Analyst C6 module(1880 Elo) finds Qxe3+ in
11 minutes 23 seconds at 6 ply searched 331700 positions
Boris (also 1977) couldn't find it in 10 hours, so it's now
grinding away at the 99 hour level. I think it should find it.
R7/5P2/2P5/3PpP2/1p2p3/4p3/1p1pP3/bk1K4 w - - bm f8=B;id mate in 8;
Mephisto little over 6 minutes 1985 ccds pg 118
1B1R4/pp1N1p2/1pk1nQ1b/r7/2P1K3/5B2/8/4n3 w - - bm Bd6;id mate in 3 1985 ccds pg 105;
Morphy MGS 11:45
Conchess I 6:33
Capablanca MGS 4:24
Turbostar 432 1:38
Conchess2 Mhz 22 sec
S. Constellation 20 sec
B+P Modul 3.2 12 sec
Elite A/S-c 11 sec
309 Mephisto Blitz 10 sec
6b1/8/7p/K5kP/4n3/1q6/5p2/8 b - - am Nc5;bm f1=R;id mate in two, Nc5 stalemate;
(Cosmic or Maestro)
rnk5/8/1p6/pP1Q4/P5p1/6P1/5K2/3b4 w - - am Qxa8;bm Qxd1;id for portables;
4k3/8/8/7K/3R4/8/1n6/8 w - - bm Kg4;id 1991 CCR pg 14;
lyon 32bit 12Mhz 21 sec corona II 512 sec
roma 32bit 21 sec corona 591 sec
mega IV turbo 18 Mhz 56 sec prisma 829 sec
mach IV 71 sec fld travel master (sel) 1860 sec
polgar 10 Mhz 121 sec novag super vip 2260 sec
mach II 141 sec novag primo 3370 sec
mach III 189 sec
fld travel master (ful width) 200 sec
312 MM5 308 sec
novag super C 279 sec
8/2B3n1/6k1/8/6p1/6P1/4BK2/n7 w - - am Bxg4;bm Bd1;id 1991 CCR pg 14;
lyon 32bit 12Mhz 5 sec polgar 48 sec
portorose 32bit 6 sec mega IV 48 sec
alpha 6 sec MM5 53 sec
lyon 16bit 9 sec MM4 57 sec
portorose 16 bit 10 sec marco polo 57 sec
chessmachine 512k 14 sec travel master 59 sec
zarkov2.5 15 sec super mondial II 62 sec
mach IV 15 sec designer 2100 display 72 sec
313 roma 32bit 15 sec par excellence 86 sec
chessmachine 128k 18 sec novag super C 103
polgar 10mhz 24 sec turboKing II 122 sec
novag diablo 29 sec corona 127 sec
mach III 34 sec novag super VIP 285 sec
mach II L.A. 40 sec novag VIP 384 sec
5rk1/pp4pp/4p3/2R3Q1/3n4/2q4r/P1P2PPP/5RK1 b - - bm Qg3;
2rq1rk1/pp3ppp/2n2b2/4NR2/3P4/PB5Q/1P4PP/3R2K1 w - - bm Qxh7+;id mate in 6;
Saitek RISC 2500 .....28 seconds!
Mach 3.........7 ply...............44 minutes
Novag Scorpio.......7 ply......6 min....26 sec.
Cougar......8 ply..................3 min. 40 sec.
1k5r/1r1B2pp/1PQ5/4pp2/R7/3q3P/1P3PP1/6K1 w - - bm Bc8;
Novag Sap 2 takes only 4 ply (in 2 seconds) to find....Bc8...!!
RISC 2500.......42 seconds
Rebel 12........3 ply.......1 sec.
Mach 3........................2 min. 5 sec.
Mach 4 finds it in 21 sec
Super Novag 6 Mhz takes about 2 or 3 hours
Hiarcs 9.6 on my 200 Mhz Palm finds the mate in less than 1 second.
iPAQ hx2790
316 Hiarcs 9.6: 1 second maybe less.
Fruit 2.1: 6 seconds.
Chess Genius: 10 seconds.
PocketFritz2: 33 seconds.
Toga ll 1.2.1a: 58seconds.
2R5/8/8/8/1B4K1/8/p1p1p1p1/6kb w - - bm Bc5+;id Mate in 14;
RISC 2500 will announce mate in 14 in only 3 seconds
Tested some PDA programs.
Fruit 2.1, 0.5 seconds with mate #14 announcement.
Toga ll 1.2.1a , 2.5 seconds.Mate #14
Pocket Fritz2, 30 seconds.Mate #14
Chess Genius, 30 seconds.Mate #14
Pocket Fritz2 E125 4:15 Mate #14
3r2k1/1q2rpp1/ppR2n1p/3p1Q2/P2P1N2/4P1PP/5P2/2R3K1 w - - bm Rxf6;
Fidelity computers (Mach3, Par Excellence..etc) have problems with this one...
RISC takes only 4 ply.....and 2 sec.
Cougar..............6 ply..............15 sec.
Nova
