Sting Sf 13

[lech]

Some next very important modifications and corrections: trapped pieces, zero beta, lazy king, fortress.
download:
http://www.mediafire.com/file/jq0gp5b7w ... 3.zip/file

[lech]

The "IQ" test is a very important part of my project (Sting) and doesn't contain middle-game tactical positions and technical endgames.
Here are positions dedicated to test so-called by me quasi-intelligent abilities of engines.
They show full spectrum of possible problems for a clessic model of alpha-beta engines.

Set parameters: "threads" to 1 and "hash" to 1024 and clear hash before each of items.
Don't use such external tricks like: rule-50 changing, null-move disabling, "backward-forward" moves, special parameters and others.
MultiPV, tablebases and "Monte Carlo" are not welcome too.

Time to solve each of items should be 30 minutes for 1 000 000 nodes/second speed. It means 3 minutes for 10 000 000 nodes/second only. Of course, the going on last depth should not be broken.

The DRAW result means ZERO score or a missing gain.
The WIN result means the correct solution mainly and any gain.
[Click square "d" to get the full pgn]

[pgn] [Result "0"] [FEN "rk6/p1r3p1/P3B1Kp/1p2B3/8/8/8/8 w - - 0 0"] 1. Bd7 [Result "1"] [FEN "7k/6rp/6pN/1r4P1/3B4/8/8/K7 b - - 0 0"] 1... Rxg5 [Result "2"] [FEN "1B1k4/3p4/1Kp5/PpP2p2/1PqP1P2/8/1P6/8 w - - 0 0"] 1. a6 {win} [Result "3"] [FEN "3N2r1/2K1p3/4Pk2/8/Bp5b/8/2P5/8 b - - 0 0"] 1... Bg3 2. Kd7 {or Kc8} Rxd8 [Result "4"] [FEN "8/7p/5P1k/1p5P/5p2/2p1p3/P1P1P1P1/1K3Nb1 w - - 0 0"] 1. Ng3 [Result "5"] [FEN "6q1/PpB5/k7/P6K/6n1/1P4p1/5p2/1B3N1N w - - 0 0"] 1. a8Q {or a8R win} [Result "6"] [FEN "6k1/6p1/4Rb1p/p7/rp2P1N1/2P3P1/1P5P/6K1 b - - 0 0"] 1... Bxc3 [Result "7"] [FEN "8/8/p2k1p2/1p1p3p/1P1P3p/P3NPP1/5K2/1b6 w - - 0 0"] 1. Ng2 [Result "8"] [FEN "2k5/p7/Pp1p1b2/1P1P1p2/2P2P1p/3K3P/5B2/8 w - - 0 0"] 1. c5 [Result "9"] [FEN "1n6/Pp1p1p1p/1P1P1P1P/4K3/2p5/p7/rpp1P3/qkb1R3 w - - 0 0"] 1. axb8N {win} [Result "10"] [FEN "1N4K1/1pp1p3/7k/2r3pP/p2pp1P1/P6N/8/2B5 w - - 0 0"] 1. Nc6 {draw} [Result "11"] [FEN "5K2/k4p1p/5p1p/1p3p2/bP6/1p6/1P5p/7B w - - 0 0"] 1. Ke8 {or Ke7 win} [Result "12"] [FEN "k1b5/1p1p1p1p/1PpPpP2/2B5/8/2p1p2P/2PbP3/3K4 w - - 0 0"] 1. Bd4 {win} [Result "13"] [FEN "8/8/8/8/1kB1q3/8/1PRb4/1K6 b - - 0 0"] 1... Qh1 2. Ka2 Qa8 3.Kb1 Qe4 {or other way to get the start position for white - win} [Result "14"] [FEN "8/2N4r/1p3pkp/8/5K1p/2P4N/P3Bn2/8 w - - 0 0"] 1. Bh5 [Result "15"] [FEN "4k1rr/1R1R3p/8/8/8/2K5/7P/8 w k - 0 0"] 1. Rd2 [Result "16"] [FEN "5k2/4bp2/2B3p1/1P4p1/3R4/3P2PP/2r2PK1/8 b - - 0 0"] 1... Rxf2 [Result "17"] [FEN "1b6/2p5/1kB5/1PN5/8/3K4/8/q7 w - - 0 0"] 1. Nb3 [Result "18"] [FEN "N7/8/2KQ2rp/6k1/3p3p/2p4P/4PP2/5N2 w - - 0 0"] 1. f4 [Result "19"] [FEN "2br4/r2pp3/8/1p1p1kN1/pP1P4/2P3R1/PP3PP1/2K5 w - - 0 0"] 1. Nf7 Re8 2. Nd6 [Result "20"] [FEN "8/8/4B3/6p1/7k/8/4pPKP/8 w - - 0 0"] 1. Bg4 [Result "21"] [FEN "r7/7k/5R2/p3p3/Pp1pPp2/1PpP1Pp1/K1P3P1/8 w - - 0 0"] 1. Kb1 Kg7 {or 1... Rh8 2. Rf8} 2. Rh6 [Result "22"] [FEN "1K3kB1/8/6p1/7R/8/4b3/8/6n1 w - - 0 0"] 1. Rh8 Kg7 2. Bh7 [Result "23"] [FEN "8/8/R7/1b4k1/5p2/1B3r2/7P/7K w - - 0 0"] 1. h4 Kxh4 2. Rh6 Kg5 3. Rh5 [Result "24"] [FEN "7Q/4p3/4p3/p1p1P3/Pp2P3/3Kp3/p1PbP3/kN6 w - - 0 0"] 1. Na3 bxa3 2. Qh1 Kb2 3. Qa1 Kxa1 4. c4 [Result "25"] [FEN "7r/K7/5k1n/p3p3/Pp1pPp1p/1PpP1PpP/2P3P1/N1RR1B2 b - - 0 0"] {win} [Result "26"] [FEN "q7/b1p5/kp1p4/p2PN3/PPP5/1K6/8/5B2 w - - 0 0"] 1. c5 Kb7 2. Ba6 {win} [Result "27"] [FEN "1k1n4/1p1b1p2/1Bp1pPp1/1PP1P3/8/6P1/8/1K6 w - - 0 0"] 1. Bc7 {win} [Result "28"] [FEN "4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - 0 0"] 1. Qxe5 {win} [Result "29"] [FEN "q1b4n/1p1pKp2/1p1p1Pp1/1P1P2Pp/2P4P/8/7R/1N1k4 w - - 0 0"] 1. Ra2 {win} [Result "30"] [FEN "3k4/2pq3p/pp5R/4P3/P6P/2PN4/1PN3K1/8 w - - 0 0"] 1. Nd4 {win} [Result "31"] [FEN "8/7p/6pP/p4pP1/3BpP2/p1KpP3/pn1N4/k7 w - - 0 0"] 1. Bh8 {win} [Result "32"] [FEN "8/6p1/p7/rp1K2p1/kb3pP1/2p2p1b/P1Np1P2/3N2R1 w - - 0 0"] 1. Ke6 {or Ke4 win} [Result "33"] [FEN "B7/p1p5/k2p4/p3p3/P1Nb1p2/6p1/7p/4K3 w - - 0 0"] {Ke1->h3->c8 win} [Result "34"] [FEN "1qN5/b1pB4/1pP2k2/pP3P2/P1P5/8/8/K7 w - - 0 0"] {Ka1->h5->d8 win} [Result "35"] [FEN "8/3P3k/n2K3p/2p3n1/1b4N1/2p1p1P1/8/3B4 w - - 0 0"] 1. Nf6 {win} [Result "36"] [FEN "8/5K2/3p3p/3p3P/pp1P4/rkb1R3/p1p3P1/n1B2B2 w - - 0 0"] 1. Rd3 {win} [Result "37"] [FEN "6bn/p4p1k/rp3Pp1/rp2BBP1/1p6/pK6/P2P4/8 w - - 0 0"] 1. Bc8 {win} [Result "38"] [FEN "qn6/b1Kp3p/p1pB3p/p7/P1NkP3/2pP4/2B5/8 w - - 0 0"] 1. Bf4 {or Kc8 win} [Result "39"] [FEN "8/P7/4k3/8/5P2/4Bq2/5P2/5K2 b - - 0 0"] 1... Kf5 {win} [Result "40"] [FEN "8/6kP/1p6/p7/Pr6/K2B4/8/8 b - - 0 0"] {Rb4->h4 and next Kg7->e5 win} [Result "41"] [FEN "8/8/2b1N3/5p2/3B4/2K5/6kp/R7 w - - 0 0"] 1. Rh1 {win} [Result "42"] [FEN "8/8/4kpp1/3p1b2/p6P/2B5/6P1/6K1 b - - 0 0"] 1... Bh3 [Result "43"] [FEN "5rk1/5ppp/p1Q1p3/1R6/q7/4b1P1/P2RPP1P/6K1 w - - 0 0"] 1. Rd8 {win} [Result "44"] [FEN "r7/1b1r4/k1p1p1p1/1p1pPpPp/p1PP1P1P/PP1K4/8/4Q3 w - - 0 0"] 1. Qa5 [Result "45"] [FEN "3B4/1r2p3/r2p1p2/bkp1P1p1/1p1P1PPp/p1P4P/PPB1K3/8 w - - 0 0"] 1. Ba4 [Result "46"] [FEN "2k5/2p5/1q1p4/pPpPp1pp/N1P1Pp2/P4PbP/KQ4P1/8 w - - 0 0"] {avoid Nxb6} [Result "47"] [FEN "1r6/4k3/r2p2p1/2pR1p1p/2P1pP1P/pPK1P1P1/P7/1B6 b - - 0 0"] 1... Rxb3 [Result "48"] [FEN "8/5k2/6p1/4BP1p/6p1/p1p3PP/6P1/1n2K2R b K - 0 0"] 1... a2 2. fxg6 Kg8 [Result "49"] [FEN "8/3k1b1r/2p1p1p1/rpPpPpPp/p2P1P1P/P2K4/8/4B3 w - - 0 0"] 1. Bb4 [Result "50"] [FEN "7b/p1p1p3/P1PpPp2/2nP1kpr/5P1p/p3KBPP/P7/8 w - - 0 0"] 1. Be4 {draw} [Result "51"] [FEN "7r/p1p1p1pk/3pPp1p/2pP1PP1/P1P4P/1K6/P6B/8 w - - 0 0"] 1. g6 Kg8 2. a5 a6 3. Bxd6 cxd6 4. h5 {or 2. Bxd6 cxd6 3. h5 draw} [Result "52"] [FEN "8/1p1q1k2/1Pp5/p1Pp4/P2Pp1p1/4PpPp/1N3P1P/3B2K1 w - - 0 0"] 1. Bb3 Qc8 2. Nd1 Qa8 3. Bc4 [Result "53"] [FEN "8/8/2pk4/8/p1p3B1/PpP5/1P6/r1NK4 w - - 0 0"] 1. Bf5 Ra2 2. Nxa2 bxa2 3. Kc1 a1Q 4. Bb1 [Result "54"] [FEN "1R3b2/5ppQ/6Pp/6PP/R6P/P7/7K/2q1k3 w - - 0 0"] 1. Rb1 Qxb1 2. gxf7 [Result "55"] [FEN "Kn6/8/8/3R2PB/8/2p2NP1/1q6/2k5 w - - 0 0"] 1. Rd1 {draw} [Result "56"] [FEN "1B3B1B/2B5/p6B/8/8/8/8/1k1K4 w - - 0 0"] 1. Bce5 {win} [Result "57"] [FEN "4kr2/5p1K/3p1Q2/1p4P1/4P3/1PP5/7b/8 w - - 0 0"] 1. Kh6 {win} [Result "58"] [FEN "6R1/8/2pB3k/2P4p/5p1q/5P2/4P1K1/8 w - - 0 0"] 1. Bf8 {win} [Result "59"] [FEN "n2Bqk2/5p1p/Q4KP1/p7/8/8/8/8 w - - 0 0"] 1. Qc8 Kg8 2. Bc7 {win} [Result "60"] [FEN "8/5p2/8/8/p7/rpK4p/1p3ppr/bQ1N1bqk w - - 0 0"] 1. Kb4 {or Kd4 win} [Result "61"] [FEN "8/8/7p/3KNN1k/2p4p/8/3P2p1/8 w - - 0 0"] 1. Kc6 [Result "62"] [FEN "1R6/pPk1r3/2p5/K7/8/2B1b3/8/8 w - - 0 0"] 1. Ka6 [Result "63"] [FEN "8/p7/qkpN1p2/8/1B1P4/PP3K2/5P2/8 w - - 0 0"] 1. Ba5 {win} [Result "64"] [FEN "2N5/p7/P7/8/1KPp1p1p/3p1Bpp/3P2rq/R5bk w - - 0 0"] 1. Nb6 {win} [Result "65"] [FEN "5kN1/3p1q2/5P2/5PP1/2pK4/1p1R4/1P6/8 w - - 0 0"] 1. Rxb3 [Result "66"] [FEN "2b1rk2/5p2/p1P5/2p2P2/2p5/7B/P7/2KR4 w - - 0 0"] 1. f6 [Result "67"] [FEN "2r5/prkpR1p1/2p1ppK1/P1p1N1B1/P1P1P3/8/8/8 w - - 0 0"] 1. Bf4 [Result "68"] [FEN "rk1b4/p2p2p1/1P6/2R2P2/8/2K5/8/5B2 w - - 0 0"] 1. Rc8 [Result "69"] [FEN "3k4/4pp2/n2n4/5BN1/3N4/b7/4K3/8 w - - 0 0"] 1. Nxf7 {draw} [Result "70"] [FEN "4b3/8/1P6/3K4/6p1/5pP1/5P1B/7k w - - 0 0"] 1. b7 Bb5 2. b8R [Result "71"] [FEN "8/5pKN/5Pp1/5kP1/8/Bb6/8/7q w - - 0 0"] 1. Bc5 {or any move} Qxh7+ [Result "72"] [FEN "8/p5p1/1pP3p1/p5p1/k3p3/4p3/K7/8 w - - 0 0"] 1. c7 {win} [Result "73"] [FEN "q7/8/2p5/B2p2pp/5pp1/2N3k1/6P1/7K w - - 0 0"] 1. Ne4 Kh4 2. Ng3 fxg3 3. Bb6 [Result "74"] [FEN "q7/7R/k7/1p6/1p6/1P2B3/7K/8 w - - 0 0"] 1. Bd4 {win} [Result "75"] [FEN "1q1r3k/3P1pp1/ppBR1n1p/4Q2P/P4P2/8/5PK1/8 w - - 0 0"] 1. Rxf6 [Result "76"] [FEN "1r3q1k/2N2P1p/6pQ/4p3/7p/n6P/3B4/7K w - - 0 0"] 1. Qf4 [Result "77"] [FEN "5nr1/2Pp2pk/3Pp1p1/4P1P1/6P1/5K2/8/7n w - - 0 0"] 1. c8N {win} [Result "78"] [FEN "2K3k1/1p6/R3p1p1/1rB1P1P1/8/8/1Pb5/8 w - - 0 0"] 1. Rc6 [Result "79"] [FEN "4q3/2r1r2p/3P3P/1p6/kP6/Pp6/1P6/KB2R3 w - - 0 0"] 1. Rxe7 Qxe7 {or 1... Rxe7 2. dxe7} 2. dxc7 [Result "80"] [FEN "3k4/8/7p/2p1p1pP/1pPpPpP1/1P1P1P2/N7/2K5 w - - 0 0"] {Na2->h4 win} [Result "81"] [FEN "8/8/8/1k3p2/p1p1pPp1/PpPpP1Pp/1P1P3P/QNK2NRR w - - 0 0"] {win} [Result "82"] [FEN "4b1k1/P4pPp/1R3P1P/2r5/8/1P6/1K6/8 w - - 0 0"] 1. a8B [Result "83"] [FEN "4N2k/4PB1p/7P/B1p5/2P5/3q2Pp/1P3P1K/2r5 w - - 0 0"] 1. Bc3 Rxc3 2. Nc7 [Result "84"] [FEN "1k6/3p4/1B6/4Pp1p/1p5R/1p4p1/pP3n2/K6n w - - 0 0"] 1. Rxh1 Nxh1 2. e6 dxe6 3. Bc7 [Result "85"] [FEN "N3kb2/pq4p1/4B1P1/1p1P2B1/p7/3P4/2P5/2K5 w - - 0 0"] 1. Bf7 Kd7 2. Be6 Kd6 3. Bf4 Kc5 4. Be3 Kb4 5. Bd2 Ka3 6. Kb1 [Result "86"] [FEN "8/1B3b1p/7P/p2p4/P2pp1kp/Q7/1N1Pq2P/7K w - - 0 0"] 1. Qh3 [Result "87"] [FEN "1B2b2k/2N1qr2/4n2p/4p1PQ/1r2N3/1p6/7P/2KB4 w - - 0 0"] 1. Nd5 Rc4 2. Kb1 Rc1 3. Kb2 Rf2 4. Nf2 Rb1 5. Kb1 Qh7 6. g6 Bg6 7. Bc2 bxc2 8. Kc1 Bxh5 9. Be5 Ng7 10. Ne7 [Result "88"] [FEN "2k4N/Q1np4/2p2Bpp/1p1P4/pPP1p2P/P7/7q/1K6 w - - 0 0"] 1. Nf7 Qg3 2. Qxc7 [Result "89"] [FEN "8/4nk2/1p3p2/2rp2pp/1P1R1N1P/6P1/3KPP2/8 b - - 0 0"] {avoid 1... Rb5} [Result "90"] [FEN "5BK1/5p1N/5Pp1/6Pk/8/1b6/8/7q b - - 0 0"] 1... Qa8 2.Kg7 Qd5 {or Qg2 and next Qxg5} [Result "91"] [FEN "2b5/1pr4p/3bp1pk/1p6/1PpN2PP/K1P1n3/P3N1R1/3R4 w - - 0 0"] 1. Nxb5 Nxd1 2. Nd6 b5 3. g5 Kh5 4. Nxc8 Rxc8 5. Nf4 Kxh4 6. Ng6 [Result "92"] [FEN "8/1p1pNpbk/q2P4/p3p2K/PP2N3/4P1P1/3P4/8 w - - 0 0"] 1. b5 Qb6 2. Nc8 {win} [Result "93"] [FEN "1rr5/6pk/7p/8/8/7P/1Pb1RRPK/8 b - - 0 0"] {avoid Rxb2} [/pgn]

The authors of studies selected to the "IQ" test:

by YACPDB:

Blathy Otto - 2, 11, 12
Benko Pal - 15, 74
Hasek Josef - 21, 27
Gurvich Abram - 22
Kasparyan Genrikh - 23
Neghina Mihai - 26
Grasemann Herbert - 36
Popov Georgy & Hanyan Aleksei - 38 (part of study)
Rudolph William - 45
Troitzky Aleksei - 56
Reti Richard - 57
Matous Mario - 59
Behting Carl - 61
Klyatskin Mikhail - 65
Kubbel Karl - 68
Novomesky Daniel - 72
Lazard Frederic - 73
Marwitz Jan - 78
Lamford Paul - 81
Simkhovich Froim - 85

by other sources (Talkchess.com):

Solovyov Y. - 5
Babic M. - 8
Neghina Mihai - 10, 30, 83, 86, 88, 91
Simkhovich Froim - 19
Plaskett - 35
Hoch Yehuda & Aloni Hillel - 54
Troitzky Aleksei - 58
Smyslov Vasily - 66
Bondarenko F. & Kuznetsov A. - 67
Surya Sekhar Ganguly - 80
Aleksandr Stavrietsky - 87
A. Kazantsev - 92

[lech]

Some words more about the new version.
Looking back at the weak versions 10.x and 11.x Sting 13 is a big jump in quality. It is less selective and is based on unified ideas. I had rejected all doubt ideas and added a few new ones.
Sting solves more than 90 (of 94) items of the "IQ" test and it is a very good result.
The "IQ" test is not a random work (as others) and is done by (I hope) a proper person.

[Paloma]

Thanks Marek, i will test this version on a few testsets next week.

[lech]

Maybe some words about the future of my project Sting.

There are using some tricks to solve difficult positions. Two (maybe more) of them are very interesting and can be implemented by engines directly, of course, in a specific way without human orders (tricks).
Now Sting (from version 13) is ready ("IQ" test) to take such an intelligent support and to breake the "horizon effect" for alpha-beta engines.
It is not an easy work (time) but a posible effect seems to be worth to try it.

[Gregory Owett]

Too many games lost on time! Pity!

[carldaman]

The real point of this project is to create a smart analysis tool, especially for tough endgames and fortress-type positions. Using it for engine matches is a waste of resources, imho.

[Gregory Owett]

Thanks for the precision.

[lech]

Too many games lost on time! Pity!

Many thanks for this information. I will take a look at this question too.
It is important for me to prove that Sting with my changes is not much weaker than Stockfish 2.1.1 .

BTW. I can't understand why in the ELO tests only the time menagment is used.
"Time per move" can return the real strength of engines.

[fishpov]

[d]8/p6p/4P2p/p3K1pP/pPk5/p2r2p1/P5R1/8 w - - 0 1

Hi Marek, it seems like with Sting 13 this very difficult problem is solved.
This is great !
I have just a crash engine after 10 hours but I used 8Go Hash.


Analysis by Sting 13 based on Stockfish 2.1.1 64bit:

.....
1.b4xa5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-e5
= (0.00) Depth: 35 00:06:22 3309MN
1.b4xa5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-e5
= (0.00) Depth: 36 00:08:24 4368MN
1.b4-b5
= (0.08 ++) Depth: 37 00:10:13 5317MN
1.b4-b5
= (0.16 ++) Depth: 37 00:12:05 6305MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-f3 4.e6-e7 Rf3-e3 5.Kc7-d7 Re3-d3+ 6.Kd7-e6 Rd3-e3+ 7.Ke6-f7 Re3-f3+ 8.Kf7-e8 Rf3-e3 9.Rg2-g1 g5-g4 10.Rg1-g2 Kc4-b4 11.Rg2-c2 Re3-e4 12.Rc2-d2 Kb4-c3 13.Rd2-g2 Kc3-b4 14.Rg2xg3 Kb4xb5 15.Ke8-f7 Re4-f4+ 16.Kf7-e6 Rf4-e4+ 17.Ke6-d6 Re4-d4+ 18.Kd6-e5 Rd4-e4+ 19.Ke5xe4 Kb5-b4 20.e7-e8Q Kb4-c4 21.Qe8xa4+ Kc4-c5 22.Rg3xa3 Kc5-d6 23.Qa4xa5
= (0.28 ++) Depth: 37 00:12:52 6723MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-f3 4.e6-e7 Rf3-e3 5.Kc7-d7 Re3-d3+ 6.Kd7-e6 Rd3-e3+ 7.Ke6-f7 Re3-f3+ 8.Kf7-e8 Rf3-e3 9.Rg2-g1 g5-g4 10.Rg1-g2 Kc4-b4 11.Rg2-c2 Kb4xb5 12.Rc2-d2 Kb5-c4 13.Ke8-d8 Kc4-c3 14.Rd2-g2 Kc3-d3 15.Rg2xg3 Re3xg3 16.e7-e8Q Kd3-d2 17.Qe8xa4 Rg3-d3+ 18.Kd8-e7 g4-g3 19.Qa4xa5+ Kd2-e2 20.Qa5-e5+ Rd3-e3
+/= (0.32) Depth: 37 00:14:23 7544MN
1.b4-b5 Rd3-e3+
= (0.20 --) Depth: 38 00:25:10 13255MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 Rd3-e3 6.e6-e7 Re3-f3 7.Ke8-d7 Rf3-d3+
+/= (0.32) Depth: 38 00:29:30 15536MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 Rd3-e3 6.e6-e7 Re3-f3 7.Ke8-d7 Rf3-d3+
+/= (0.32) Depth: 39 00:35:18 18662MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 Rd3-e3 6.e6-e7 Re3-f3 7.Ke8-d7 Rf3-d3+
+/= (0.32) Depth: 40 00:44:38 23622MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 Rd3-e3 6.e6-e7 Re3-f3 7.Ke8-d7 Rf3-d3+
+/= (0.32) Depth: 41 01:33:22 49130MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 Rd3-e3 6.e6-e7 Re3-f3 7.Ke8-d7
+/= (0.32) Depth: 42 02:14:07 69683MN
1.b4-b5
+/= (0.40 ++) Depth: 43 02:17:22 71411MN
1.b4-b5
+/= (0.48 ++) Depth: 43 02:23:02 74417MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 g5-g4 6.e6-e7 Rd3-e3 7.Rg2-g1 Re3-e2 8.Rg1xg3 Re2xa2 9.Rg3xg4+ Kc4xb5 10.Rg4-e4 Kb5-b6 11.Ke8-f7 Ra2-f2+ 12.Kf7-g8 Rf2-g2+ 13.Kg8xh7 a3-a2 14.e7-e8Q a2-a1Q 15.Re4-e6+ Kb6-b7 16.Qe8-c6+ Kb7-b8 17.Qc6xg2 Qa1-a2 18.Qg2xa2 Kb8-b7 19.Re6xh6 Kb7-b8 20.Qa2xa4 Kb8-b7 21.Qa4xa5 Kb7-b8 22.Kh7-g8 Kb8-b7 23.Rh6-e6 Kb7-b8 24.Kg8-f7 Kb8-b7 25.Re6-e1 Kb7-b8 26.Kf7-g8 Kb8-b7 27.Kg8-g7
+/= (0.60 ++) Depth: 43 02:31:23 78831MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 g5-g4 6.e6-e7 Rd3-e3 7.Rg2-g1 Re3-e2 8.Rg1xg3 Re2xa2 9.Rg3xg4+ Kc4xb5 10.Rg4-e4 Kb5-b6 11.Ke8-f7 Ra2-f2+ 12.Kf7-g8 Rf2-g2+ 13.Kg8xh7 a3-a2 14.e7-e8Q a2-a1Q 15.Re4-e6+ Kb6-b7 16.Qe8-c6+ Kb7-b8 17.Qc6xg2 Qa1-a2 18.Qg2xa2 Kb8-b7 19.Re6xh6 Kb7-b8 20.Qa2xa4 Kb8-b7 21.Qa4xa5 Kb7-b8 22.Kh7-g8 Kb8-b7 23.Rh6-e6 Kb7-b8 24.Kg8-f7 Kb8-b7 25.Re6-e1 Kb7-b8 26.Kf7-g8
+/- (0.78 ++) Depth: 43 02:35:10 80813MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 g5-g4 6.e6-e7 Rd3-e3 7.Rg2-g1 Re3-e2 8.Rg1xg3 Re2xa2 9.Rg3xg4+ Kc4xb5 10.Rg4-e4 Kb5-b6 11.Ke8-f7 Ra2-f2+ 12.Kf7-g8 Rf2-g2+ 13.Kg8xh7 a3-a2 14.e7-e8Q a2-a1Q 15.Re4-e6+ Kb6-b7 16.Qe8-c6+ Kb7-b8 17.Qc6xg2 Qa1-a2 18.Qg2xa2 Kb8-b7 19.Re6xh6 Kb7-b8 20.Qa2xa4 Kb8-b7 21.Qa4xa5 Kb7-b8 22.Kh7-g8 Kb8-b7 23.Rh6-e6 Kb7-b8 24.Kg8-f7 Kb8-b7 25.Re6-e1 Kb7-b8 26.Kf7-g8
+/- (1.06 ++) Depth: 43 03:43:39 116707MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 g5-g4 6.e6-e7 Rd3-e3 7.Rg2-g1 Re3-e2 8.Rg1xg3 Re2xa2 9.Rg3xg4+ Kc4xb5 10.Rg4-e4 Kb5-b6 11.Ke8-f7 Ra2-f2+ 12.Kf7-g8 Rf2-g2+ 13.Kg8xh7 a3-a2 14.e7-e8Q a2-a1Q 15.Re4-e6+ Kb6-b7 16.Qe8-c6+ Kb7-b8 17.Qc6xg2 Qa1-a2 18.Qg2xa2 Kb8-b7 19.Re6xh6 Kb7-b8 20.Qa2xa4 Kb8-b7 21.Qa4xa5 Kb7-b8 22.Kh7-g8 Kb8-b7 23.Rh6-e6 Kb7-b8 24.Kg8-f7 Kb8-b7 25.Re6-e1 Kb7-b8 26.Kf7-g8
+/- (1.46 ++) Depth: 43 04:08:08 129372MN
1.b4-b5 Rd3-e3+ 2.Ke5-d6 Re3-d3+ 3.Kd6-c7 Rd3-e3 4.Kc7-d7 Re3-d3+ 5.Kd7-e8 g5-g4 6.e6-e7 Rd3-e3 7.Rg2-g1 g3-g2 8.Rg1xg2 g4-g3 9.Rg2-g1 Re3-d3 10.Ke8-f7 Rd3-f3+ 11.Kf7-g7
+/- (1.29) Depth: 43 06:25:20 201624MN
1.b4-b5
+/- (1.41 ++) Depth: 44 06:55:47 217861MN

(, 05.02.2019)