tcec practical hard mate test

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peter
Posts: 3491
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: tcec practical hard mate test

Post by peter »

peter wrote: ↑Tue Oct 11, 2022 2:05 pm Even 3 moves shorter after Backward with SF11
Nr.5 also at least one move less DTM than given in .epd:


[fen]r6k/5p1P/1n3Np1/3P2P1/2n1PK2/1R6/p7/2R5 w - - 0 1[/fen]


Analysis by Stockfish 11 64 POPCNT:

1.Ta1 Kg7 2.Th3 Kh8 3.Th2 Sd6 4.Thxa2 Tf8 5.Ta6 Sdc4 6.Tb1 Sa8 7.Tb7 Td8 8.Taa7 Sab6 9.Txf7 Sxd5+ 10.exd5 Se3 11.Tg7 Sxd5+ 12.Sxd5 Tc8 13.Tg8+ Txg8 14.hxg8D+ Kxg8 15.Ke5 Kf8 16.Ke6 Kg8 17.Sf6+ Kh8 18.Th7#
+- (#18) Tiefe: 88/36 00:00:34 2247MN

Will stop that here regards
Peter.
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peter
Posts: 3491
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Full name: Peter Martan

Re: tcec practical hard mate test

Post by peter »

Vinvin wrote: ↑Mon Oct 10, 2022 7:14 pm
Uri Blass wrote: ↑Mon Oct 10, 2022 2:13 pm 1r2k3/2qb1p2/p3pBr1/4P1Pp/2P5/3Q4/1P1RBPP1/1K6 w - - 0 1 bm Bxh5 dm 24.
Mate in 22

Code: Select all

Blue Marlin 15.3-avx2:
...
40/43	00:00	 14.386k	25.644k	+M22	1.Bxh5 Bc6 2.f3 Qd7 3.Bxg6 Qxd3+ 4.Bxd3 Kd7 5.Bg6+ Kc7 6.Bxf7 Be8 7.Bxe8 Rxe8 8.g6 Rg8 9.g7 a5 10.Rd6 a4 11.Ka2 a3 12.b3 Kb7 13.Rd8 Rxg7 14.Bxg7 Kb6 15.Rd6+ Kc7 16.Kxa3 Kc8 17.Ka4 Kb7 18.Kb5 Ka7 19.Rd7+ Kb8 20.Kb6 Kc8 21.Rd6 Kb8 22.Rd8+
...
Nr.7 after some Forward- Backward:


[fen]1r2k3/2qb1p2/p3pBr1/4P1Pp/2P5/3Q4/1P1RBPP1/1K6 w - - 0 1[/fen]



Analysis by Stockfish 11 64 POPCNT:

1.Lxh5 Lc6 2.f3 Dd7 3.Lxg6 Dxd3+ 4.Lxd3 Kd7 5.Lg6+ Kc7 6.Lxf7 Le8 7.Lxe8 Txe8 8.g6 Tg8 9.g7 Kc6 10.Td8 Txg7 11.Td6+ Kc5 12.Lxg7 Kxc4 13.Lh6 a5 14.Ka2 Kc5 15.Kb3 Kb5 16.Ld2 a4+ 17.Ka3 Kc4 18.Kxa4 Kc5 19.Lb4+ Kc4 20.b3#
+- (#20) Tiefe: 82/40 00:01:09 4457MN
Peter.
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peter
Posts: 3491
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: tcec practical hard mate test

Post by peter »

peter wrote: ↑Tue Oct 11, 2022 10:29 am after some Forward- Backward with
SF11 at nr.10:


[fen]8/8/2n5/7P/3K4/k1pB4/3b4/1R6 w - - 0 1[/fen]



Analysis by Stockfish 11 64 POPCNT30:

1.Kd5 Se7+ 2.Kc5 Sg8 3.Kc4 Sh6 4.Tb3+ Ka4 5.Lc2 Sg4 6.Txc3+ Ka5 7.Tb3 Sf6 8.Kc5 Sd7+ 9.Kd6 Sf8 10.Kc6 Se6 11.Tb5+ Ka6 12.Td5 Le3 13.Ld3+ Ka7 14.h6 Sd4+ 15.Kd7 Lxh6 16.Txd4 Kb6 17.Td5 Le3 18.Tb5+ Ka6 19.Kc6 Ld2 20.Lc4 Lf4 21.Tf5+ Ka7 22.Txf4 Kb8 23.Tf8+ Ka7 24.Le6 Ka6 25.Ta8#
+- (#25) Tiefe: 87/50 00:01:03 6126MN
Peter.
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peter
Posts: 3491
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: tcec practical hard mate test

Post by peter »

peter wrote: ↑Tue Oct 11, 2022 7:51 pm SF11 at nr.10
Huntsman at nr.11 (again after some Forward- Backward):


[fen]2r5/p4k2/6p1/1KP3Pp/1PR4P/4R3/8/6r1 w - - 0 1[/fen]


Analysis by The Huntsman 1 bmi2:

1.c6 Tb8+ 2.Kc5 Tc8 3.Tf3+ Kg8 4.Td3 Tg4 5.Tcd4 Tg1 6.Td8+ Txd8 7.Txd8+ Kf7 8.c7 Tc1+ 9.Kd6 Td1+ 10.Kc6 Tc1+ 11.Kb7 Txc7+ 12.Kxc7 Ke6 13.b5 Ke5 14.Ta8 Kf4 15.Txa7 Kf3 16.b6 Kg3 17.b7 Kxh4 18.b8D Kxg5 19.Ta5+ Kg4 20.Db4+ Kf3 21.Ta3+ Ke2 22.Db2+ Kf1 23.Ta1#
+- (#23) Tiefe: 69/46 00:01:55 6651MN
Peter.
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Uri Blass
Posts: 11125
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: tcec practical hard mate test

Post by Uri Blass »

update of the mate results so far:

7R/2k1p2P/r2rP3/8/3p1R2/8/2P2p2/2K5 w - - 0 1 bm Rc8 dm 26
r7/4pk2/PP1r4/2R2P2/8/1KP5/8/R7 w - - 0 1 bm Rb5 dm 14
4r1k1/r7/2P1n1P1/1P1B1R2/P2b4/K7/3B4/7R w - - 0 1 bm b6 dm 13
8/6R1/3P4/4Q1p1/2p1P3/3rkP1P/6PK/4q3 w - - 0 1 bm Qc5+ dm 24(improved the score to mate in 24)
r6k/5p1P/1n3Np1/3P2P1/2n1PK2/1R6/p7/2R5 w - - 0 1 bm Ra1 dm 18
8/4n3/2p5/1k6/p1p1B2R/8/PB2n3/1K6 w - - 0 1 bm Be5 dm 24
1r2k3/2qb1p2/p3pBr1/4P1Pp/2P5/3Q4/1P1RBPP1/1K6 w - - 0 1 bm Bxh5 dm 20
8/3b4/kp4r1/3P4/p1P1p2R/4N3/1R5K/8 w - - 0 1 bm Rh7 dm 20
4r3/2P1rk2/4p1p1/2K1Qp1p/3P3P/2P2P2/6P1/8 w - - 0 1 bm d5 dm 23
8/8/2n5/7P/3K4/k1pB4/3b4/1R6 w - - 0 1 bm Kd5 dm 25
2r5/p4k2/6p1/1KP3Pp/1PR4P/4R3/8/6r1 w - - 0 1 bm c6 dm 23

main lines for the first 4 problems
7R/2k1p2P/r2rP3/8/3p1R2/8/2P2p2/2K5 w - - 0 1
1.Rc8+ kxc8 2.h8=Q Rd8 3.Qe5 f1Q+ 4.Rxf1 Ra1+ 5.Kd2 Rxf1 6.Qc5+ Kb8 7.Qb4+ Kc8 8.Qc4+ Kb7 9.Qxf1 Kc7 10.Kd3 Kc6 11.Qf7 Kd6 12.Qf5 Kc6 13.Kc4 mate in 14 (The mate in 14 is the shortest possible mate based on chest)

r7/4pk2/PP1r4/2R2P2/8/1KP5/8/R7 w - - 0 1
main line
1.Rb5 Rd7 2.b7 Rb8 3.Rb4 Kf6 4.a7 mate in 11 based on chest

4r1k1/r7/2P1n1P1/1P1B1R2/P2b4/K7/3B4/7R w - - 0 1
main line
1.b6 Rae7 2.c7 mate in 12 Bc5+ Ka2 mate in 11 proved by chest

or 1.b6 Bc5+ Kb3 mate in 12(no mate in 11 is proved in this line)

8/6R1/3P4/4Q1p1/2p1P3/3rkP1P/6PK/4q3 w - - 0 1

main line of problem number 4:

1.Qc5+ Ke2 2.Ra7 Qc3 3.Ra2+ (mate in 22) Rd2 4.Rxd2+Qxd2 5.Qxc4+ Kf2(Ke1 6.e5) 6.e5 Ke1(Ke3 7.Qe4+ mate in 17 ) 7.Qg4 mate in 18
Kf2 8.d7 Kf1(Qd1) 9.f4 gxf4 10.Qf3+ Ke1 11.Qc6 f3 12.Qe4+ Kd1 13.Qxf3+ mate in 12 is the main line

alternatives:
7...Kf1 8.d7 Qd5(Qd3 f4) 9.f4 Qd4 10.Qf3+ Ke1 11.e6 g4(or gxf4 Qc6 mate in 11) 12.hxg4 mate in 12 verified by chest
7.Qg4 Kf2 8.f4 gxf4 9.d7 Kf1 10.Qf3+ Ke1 11.Qc6

2...Qd2 3.Qxc4 mate in 21 Qf4+ 4.Kh1 mate in 20 Qxd6(4...Kf2 5.Ra1 mate in 19,4...Qe3 5.d7 mate in 19) 5.Ra2+ mate in 19 Ke3 6.Qc1+ Kd4 7.Ra5 mate in 17
2...c3 3.Ra2+ (mate in 21) Qd2 4.Qc4
2...Kf1 3.d7(mate in 20) g4 4.Ra2
2...Qc1 3.Ra2+ (mate in 19) Rd2 4.Qxg5
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Chessqueen
Posts: 5685
Joined: Wed Sep 05, 2018 2:16 am
Location: Moving
Full name: Jorge Picado

Re: tcec practical hard mate test

Post by Chessqueen »

peter wrote: ↑Tue Oct 11, 2022 6:16 pm
Vinvin wrote: ↑Mon Oct 10, 2022 7:14 pm
Uri Blass wrote: ↑Mon Oct 10, 2022 2:13 pm 1r2k3/2qb1p2/p3pBr1/4P1Pp/2P5/3Q4/1P1RBPP1/1K6 w - - 0 1 bm Bxh5 dm 24.
Mate in 22

Code: Select all

Blue Marlin 15.3-avx2:
...
40/43	00:00	 14.386k	25.644k	+M22	1.Bxh5 Bc6 2.f3 Qd7 3.Bxg6 Qxd3+ 4.Bxd3 Kd7 5.Bg6+ Kc7 6.Bxf7 Be8 7.Bxe8 Rxe8 8.g6 Rg8 9.g7 a5 10.Rd6 a4 11.Ka2 a3 12.b3 Kb7 13.Rd8 Rxg7 14.Bxg7 Kb6 15.Rd6+ Kc7 16.Kxa3 Kc8 17.Ka4 Kb7 18.Kb5 Ka7 19.Rd7+ Kb8 20.Kb6 Kc8 21.Rd6 Kb8 22.Rd8+
...
Nr.7 after some Forward- Backward:


[fen]1r2k3/2qb1p2/p3pBr1/4P1Pp/2P5/3Q4/1P1RBPP1/1K6 w - - 0 1[/fen]



Analysis by Stockfish 11 64 POPCNT:

1.Lxh5 Lc6 2.f3 Dd7 3.Lxg6 Dxd3+ 4.Lxd3 Kd7 5.Lg6+ Kc7 6.Lxf7 Le8 7.Lxe8 Txe8 8.g6 Tg8 9.g7 Kc6 10.Td8 Txg7 11.Td6+ Kc5 12.Lxg7 Kxc4 13.Lh6 a5 14.Ka2 Kc5 15.Kb3 Kb5 16.Ld2 a4+ 17.Ka3 Kc4 18.Kxa4 Kc5 19.Lb4+ Kc4 20.b3#
+- (#20) Tiefe: 82/40 00:01:09 4457MN
How come the latest Stockfish is NOT as good as Stockfish 11 in solving Mate, and it can only find mate in 24?

FEN: 1r2k3/2qb1p2/p3pBr1/4P1Pp/2P5/3Q4/1P1RBPP1/1K6 w - - 0 1

Stockfish_22100816_x64_avx2:
NNUE evaluation using nn-ad9b42354671.nnue enabled
1/1 00:00 305 305k +20.25 Be2xh5
2/2 00:00 961 961k +20.25 Be2xh5 Bd7-c6
3/3 00:00 1k 1,419k +20.25 Be2xh5 Bd7-c6 f2-f3
4/4 00:00 2k 1,790k +21.66 Be2xh5 Bd7-c6 f2-f3 Qc7-d7
5/5 00:00 3k 2,672k +20.25 Be2xh5 Bd7-a4 Bh5xg6 f7xg6 Qd3xg6+ Qc7-f7
6/6 00:00 3k 3,397k +20.25 Be2xh5 Bd7-c6 f2-f3 Qc7-a5 Bh5xg6 Rb8xb2+ Kb1xb2
7/7 00:00 4k 3,976k +20.25 Be2xh5 Bd7-c6 f2-f3 Qc7-a5 Bh5xg6 Rb8xb2+ Kb1xb2
8/11 00:00 11k 5,512k +20.25 Be2xh5 Bd7-c6 f2-f3 a6-a5 Bh5xg6 f7xg6 Qd3xg6+ Qc7-f7 Qg6-h6
9/12 00:00 12k 5,991k +20.25 Be2xh5 Bd7-c6 f2-f3 a6-a5 Bh5xg6 f7xg6 Qd3xg6+ Qc7-f7 Qg6-h6 Qf7-g8 Qh6-h5+ Ke8-f8
10/11 00:00 14k 4,697k +20.25 Be2xh5 Bd7-c6 f2-f3 a6-a5 Bh5xg6 f7xg6 Qd3xg6+ Qc7-f7 Qg6-h6 Qf7-g8 Qh6-h5+ Ke8-f8
11/22 00:00 64k 5,849k +20.25 Be2xh5 Rg6xf6 e5xf6 Bd7-c6 f2-f3 Bc6-a4 Qd3-h7 Ba4-c2+ Rd2xc2 Rb8-d8 Qh7-g8+ Ke8-d7 Qg8xf7+ Kd7-c8 Qf7xe6+ Kc8-b7 g5-g6 Rd8-d1+ Rc2-c1
12/21 00:00 144k 6,257k +20.25 Be2xh5 Rg6xf6 e5xf6 Bd7-c6 f2-f3 Bc6-a4 Qd3-h7 Ba4-c2+ Rd2xc2 Rb8-d8 Qh7-g8+ Ke8-d7 Qg8xf7+ Kd7-c8 Qf7xe6+ Kc8-b7 g5-g6 Rd8-d1+ Rc2-c1 Rd1xc1+ Kb1xc1
13/22 00:00 147k 6,141k +20.25 Be2xh5 Rg6xf6 e5xf6 Bd7-c6 f2-f3 Bc6-a4 Qd3-h7 Ba4-c2+ Rd2xc2 Rb8-d8 Qh7-g8+ Ke8-d7 Qg8xf7+ Kd7-c8 Qf7xe6+ Kc8-b7 g5-g6 Rd8-d1+ Rc2-c1 Rd1xc1+ Kb1xc1 Qc7-a5
14/26 00:00 280k 6,364k +19.28 Be2xh5 Rg6xf6 e5xf6 Bd7-c6 f2-f3 Bc6-a4 Qd3-h7 Ba4-c2+ Rd2xc2 Qc7-d6 Qh7xf7+ Ke8-d8 f3-f4 Qd6xf4 Qf7xe6 Kd8-c7 g5-g6 a6-a5 g6-g7 a5-a4 Qe6-e7+ Kc7-b6 c4-c5+ Kb6-a5 Qe7-a7+ Ka5-b4 g7-g8Q
15/26 00:00 613k 6,665k +16.67 Be2xh5 Rg6xf6 e5xf6 Bd7-c6 f2-f3 Bc6-a4 Qd3-h7 Ba4-c2+ Rd2xc2 Qc7-d6 Qh7xf7+ Ke8-d8 f3-f4 Qd6xf4 Qf7xe6 Kd8-c7 g5-g6 a6-a5 g6-g7 a5-a4 Qe6-e7+ Kc7-b6 Qe7-b4+ Kb6-c7 Qb4xa4 Qf4xf6 Qa4-a7+ Rb8-b7
16/36 00:00 2,583k 7,781k +19.83 Be2xh5 Rg6xf6 e5xf6 Bd7-c6 f2-f3 Bc6-a4 Qd3-h7 Ba4-c2+ Rd2xc2 Qc7-d6 Qh7xf7+ Ke8-d8 f3-f4 Qd6-d7 Qf7xd7+ Kd8xd7 g5-g6 e6-e5 f4xe5 Rb8-g8 Bh5-g4+ Kd7-c6 g6-g7 Kc6-c5 f6-f7 Rg8xg7 f7-f8B+ Kc5-d4 Bf8xg7
17/37 00:02 19,799k 8,523k +21.18 Be2xh5 Bd7-c6 f2-f3 Rg6-g7 Bf6xg7 Qc7-d7 Qd3xd7+ Bc6xd7 Bh5xf7+ Ke8xf7 Rd2xd7+ Kf7-g6 Bg7-f6 Kg6-f5 g2-g4+ Kf5-f4 g5-g6 a6-a5 g6-g7 a5-a4 Rd7-d8 Rb8-b3 Kb1-a2 Kf4-g3 g7-g8R Rb3xf3 c4-c5 Rf3-b3 Rd8-d4 Rb3-b7 Rd4-c4 a4-a3 Ka2xa3 Rb7-h7 c5-c6 Kg3-g2
18/46 00:03 26,732k 8,604k +20.22 Be2xh5 Rg6-g7 Bf6xg7 Ke8-d8 Bg7-f6+ Kd8-c8 Bh5xf7 Bd7-a4 Bf7xe6+ Kc8-b7 g5-g6 Qc7-b6 Be6-d5+ Kb7-a7 g6-g7 Ba4-d7 g7-g8Q Rb8xg8 Bd5xg8 Bd7-c8 Qd3-h7+ Ka7-b8 e5-e6 Qb6-b3
19/37 00:04 34,669k 8,596k +21.46 Be2xh5 Rg6-g7 Bf6xg7 Ke8-d8 Bg7-f6+ Kd8-c8 Bh5xf7 Bd7-a4 Bf7xe6+ Kc8-b7 g5-g6 Qc7-b6 Be6-d5+ Kb7-a7 g6-g7 Ba4-d7 g7-g8Q Rb8xg8 Bd5xg8 Bd7-c8 e5-e6 Qb6-a5 Qd3-d4+ Ka7-b8 Qd4-e5+ Qa5xe5 Bf6xe5+ Kb8-a7 e6-e7
20/38 00:06 54,110k 8,648k +21.03 Be2xh5 Rg6-g7 Bf6xg7 Ke8-d8 Bg7-f6+ Kd8-c8 Bh5xf7 Bd7-c6 Bf7xe6+ Kc8-b7 g5-g6 Rb8-e8 Be6-d5 a6-a5 g6-g7 Kb7-a6 g7-g8Q Re8xg8 Bd5xg8 a5-a4 Bg8-d5 Bc6-d7 Bd5-e4 Bd7-e6 Qd3-d6+ Qc7xd6 Rd2xd6+ Ka6-a5 Rd6xe6
21/38 00:11 98,912k 8,816k +19.97 Be2xh5 Bd7-c6 f2-f3 Rg6-g7 Bf6xg7 Qc7-d7 Qd3xd7+ Bc6xd7 Bh5xf7+ Ke8xf7 Rd2xd7+ Kf7-g6 Bg7-f6 Kg6-f5 g2-g4+ Kf5-f4 g5-g6 a6-a5 Rd7-d8 Rb8-b3 g6-g7 a5-a4 Kb1-a2 Kf4-g3 g7-g8R Rb3-b7 g4-g5 Rb7-h7 Rd8-d4 Rh7-h4 Rd4-g4+ Rh4xg4 f3xg4 Kg3-g2
22/42 00:20 183,339k 8,916k +21.63 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Rb8-c8 g5-g6 Ke8-d7 Bd3-c2+ Kd7-c7 Bc2xa4 f7xg6 Ba4-d7 Rc8-a8 Bd7xe6 a6-a5 Be6-d5 Ra8-a6 e5-e6 a5-a4 Bf6-e5+ Kc7-b6 Rd2-h2 a4-a3 Be5-d4+ Kb6-a5 e6-e7 Ra6-b6 Rh2-h8 a3xb2 Bd4xb6+ Ka5xb6
23/43 00:25 226,217k 8,944k +18.90 Be2xh5 Bd7-c6 f2-f3 Rg6-g7 Bf6xg7 Qc7-d7 Qd3xd7+ Bc6xd7 Bh5xf7+ Ke8xf7 Rd2xd7+ Kf7-g6 Bg7-f6 Kg6-f5 g2-g4+ Kf5-f4 g5-g6 a6-a5 g6-g7 a5-a4 Rd7-d8 Rb8-b3 g7-g8Q a4-a3 Qg8xe6 Rb3xb2+ Kb1-a1 Kf4-g3 Qe6-f5 Rb2-e2 Rd8-d1 Re2-b2 Qf5-e4
24/42 00:26 240,684k 8,951k +18.89 Be2xh5 Bd7-c6 f2-f3 Rg6-g7 Bf6xg7 Qc7-d7 Qd3xd7+ Bc6xd7 Bh5xf7+ Ke8xf7 Rd2xd7+ Kf7-g6 Bg7-f6 Kg6-f5 g2-g4+ Kf5-f4 g5-g6 a6-a5 g6-g7 a5-a4 Rd7-d8 Rb8-b3 g7-g8Q a4-a3 Qg8xe6 Kf4-g3 Qe6-f5 Rb3-e3 Kb1-a2 Re3-e2 g4-g5 Re2xb2+ Ka2xa3 Rb2-e2 g5-g6 Re2-e1 Qf5-g4+ Kg3-f2
25/51 01:08 582,043k 8,558k +22.27 Be2xh5 Bd7-c6 f2-f3 Rg6-g7 Bf6xg7 Qc7-d7 Qd3xd7+ Bc6xd7 Bh5xf7+ Ke8xf7 Rd2xd7+ Kf7-g6 Bg7-f6 Kg6-f5 g2-g4+ Kf5-f4 g5-g6 Rb8-b3 g6-g7 Rb3xf3 g7-g8R Kf4-e3 c4-c5 a6-a5 c5-c6 Rf3-f1+ Kb1-a2 Rf1-f2 c6-c7 Rf2-c2 g4-g5 Ke3-f4 g5-g6 Kf4-f5 g6-g7 Rc2-c4 Rg8-h8 Rc4-a4+ Ka2-b1 Ra4-g4 Rh8-h5+ Kf5-e4
26/44 01:45 884,475k 8,381k +22.96 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Rb8-c8 Bd3-c2 Ke8-f8 Rd2-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6-a8 g5-g6 Ke8-d7 Rh7xf7+ Kd7-c6 g6-g7 Kc6-b6 Rf7-f8 Rc8xc4 Rf8xa8 Rc4-b4 g7-g8R Rb4-d4 Rg8-c8 Rd4-d7 Ra8-b8+ Kb6-a6 Bc2-b3 Rd7-d2
27/44 01:52 945,127k 8,376k +21.35 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Ke8-d7 Bd3-c2+ Kd7-c6 Bc2xa4+ Kc6-c5 Bf6-e7+ Kc5xc4 Kb1-c2 a6-a5 b2-b3+ Rb8xb3 Ba4xb3+ Kc4-b5 Kc2-c3 a5-a4 Bb3-c4+ Kb5-b6 Be7-d8+ Kb6-c6 f3-f4 Kc6-b7 Bd8-a5 Kb7-c6 Rd2-d6+ Kc6-b7 Rd6-d7+ Kb7-c8
28/50 02:40 1,363,815k 8,479k +21.09 Be2xh5 Bd7-c6 f2-f3 Rg6-g7 Bf6xg7 Qc7-d7 Qd3xd7+ Bc6xd7 Bh5xf7+ Ke8xf7 Rd2xd7+ Kf7-g6 Bg7-f6 Kg6-f5 g2-g4+ Kf5-f4 g5-g6 Rb8-b3 g6-g7 Rb3xf3 g7-g8R Kf4-e3 c4-c5 a6-a5 c5-c6 Rf3-f1+ Kb1-a2 Rf1-f2 g4-g5 Rf2-f4 c6-c7 Rf4-e4 g5-g6 Re4-a4+ Ka2-b1
29/49 03:32 1,749,284k 8,228k +23.38 Be2xh5 Bd7-c6 f2-f3 Rg6-g7 Bf6xg7 Qc7-d7 Qd3xd7+ Bc6xd7 Bh5xf7+ Ke8xf7 Rd2xd7+ Kf7-g6 Bg7-f6 Kg6-f5 g2-g4+ Kf5-f4 g5-g6 Rb8-b3 g6-g7 Rb3xf3 g7-g8R Kf4-e3 c4-c5 a6-a5 c5-c6 Rf3-f1+ Kb1-a2 Rf1-f2 c6-c7 Rf2-c2 g4-g5 Rc2-g2 g5-g6 Rg2-g4 g6-g7 Rg4-a4+ Ka2-b1 Ra4-g4 Rg8-d8 Ke3-f2 Kb1-a2 Rg4-c4
30/52 04:49 2,347,675k 8,122k +24.39 Be2xh5 Bd7-c6 f2-f3 Rg6-g7 Bf6xg7 Qc7-d7 Qd3xd7+ Bc6xd7 Bh5xf7+ Ke8xf7 Rd2xd7+ Kf7-g6 Bg7-f6 Kg6-f5 g2-g4+ Kf5-f4 g5-g6 Rb8-b3 g6-g7 Rb3xf3 g7-g8R Rf3-f1+ Kb1-a2 a6-a5 Rd7-d4+ Kf4-e3 Rg8-d8 a5-a4 c4-c5 a4-a3 b2-b4 Rf1-g1 g4-g5 Rg1-c1 g5-g6 Rc1-c3 g6-g7 Ke3-e2 Rd4-d2+ Ke2-e3 b4-b5 Rc3-c1 Bf6-g5+ Ke3-e4 Rd2-d4+ Ke4xe5 Bg5xc1 Ke5-f6 Rd4-d7
31/53 05:30 2,703,461k 8,178k +24.39 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Rb8-c8 Bd3-c2 Ke8-f8 Rd2-d4 Rc8-a8 Rd4-h4 Kf8-e8 Rh4-h7 Ke8-d7 Rh7xf7+ Kd7-c8 g5-g6 Bc6-e8 Rf7-f8 Kc8-c7 g6-g7 Kc7-b6 Bc2-e4 Ra8-b8 g7-g8R Kb6-c5 Rf8xe8 Rb8-b6 Re8-c8+ Kc5-d4 Rg8-d8+ Kd4-e3 g2-g4 Ke3-e2 Rd8-d6 Rb6xd6 e5xd6
32/54 10:32 5,270,252k 8,333k +26.73 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Ba4-c6 Bd3-c2 Ke8-f8 Rd2-h2 Kf8-e8 Rh2-h8+ Ke8-d7 Rh8xb8 Bc6xf3 Bc2-a4+ Kd7-c7 Rb8-f8 Bf3-e4+ Kb1-c1 Kc7-b6 Rf8xf7 Kb6-c5 b2-b3 Kc5-d4 Kc1-d2 Be4-f3 Rf7-d7+ Kd4-e4 g5-g6 Ke4-f4 Rd7-d4+ Kf4-g3 g6-g7 Kg3-f2 Kd2-c3 Kf2-g2 g4-g5 Bf3-d5 c4xd5
33/53 12:11 6,058,809k 8,284k +28.14 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Ke8-f8 Rd2-h2 Kf8-e8 Rh2-h8+ Ke8-d7 Rh8xb8 a6-a5 Rb8-b7+ Kd7-c6 Rb7xf7 Kc6-c5 Rf7-f8 Kc5-d4 Rf8-d8+ Kd4-e3 Bd3-e4 Ke3-f4 Kb1-a2 Kf4-e3 g5-g6 Ke3-e2 Ka2-a3 Ba4-d1 c4-c5 a5-a4 g6-g7
34/56 17:00 8,481,964k 8,314k +29.64 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Rb8-c8 g5-g6 Ke8-d7 Bd3-c2+ Kd7-c7 Bc2xa4 f7xg6 Ba4-d7 Rc8-f8 Bd7xe6 Kc7-b6 Be6-d5 a6-a5 g4-g5 a5-a4 e5-e6 Kb6-a5 e6-e7 Rf8-c8 Kb1-c2 a4-a3 b2xa3 Ka5-a4 Bd5-f7 Ka4xa3 Rd2-d8 Rc8-c7 e7-e8Q Rc7xf7 Qe8xf7
35/63 19:49 9,883,007k 8,308k +30.05 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Ba4-c6 Bd3-c2 Ke8-f8 Rd2-h2 Kf8-e8 Rh2-h8+ Ke8-d7 Rh8xb8 Bc6xf3 Bc2-a4+ Kd7-c7 Rb8-f8 Bf3-e4+ Kb1-c1 Kc7-b6 Rf8xf7 Kb6-c5 b2-b3 Kc5-d4 Kc1-d2 Be4-g6 Rf7-d7+ Kd4-e4 Ba4-c6+ Ke4-f4 Rd7-d4+ Kf4-g3 c4-c5 Bg6-h7 Rd4-a4 Bh7-g6 Bc6-d7 Kg3-f3 c5-c6 Bg6-e4 c6-c7 Be4-d5 Kd2-c3 Kf3-g3 g5-g6 Kg3-f3 Ra4-d4 Kf3-g3 Rd4xd5 e6xd5 g6-g7 d5-d4+ Kc3xd4
36/74 22:56 11,454,556k 8,322k +28.92 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 a6-a5 g5-g6 Ke8-d7 g6xf7 Ba4-c6 Bd3-e2+ Kd7-c7 g4-g5 a5-a4 g5-g6 Bc6-e8 f7xe8Q Rb8xe8 g6-g7 Re8-b8 Kb1-c2 Kc7-c6 Rd2-d6+ Kc6-c5 Rd6xe6 Kc5-d4 Re6-d6+ Kd4-e3 Be2-d3 Ke3xf3 e5-e6 Kf3-f4 e6-e7 Kf4-f3 Rd6-d8 Rb8-b7 Bd3-e4+ Kf3-f4 Be4xb7 Kf4-f5
37/40 25:18 12,769,538k 8,411k +29.19 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Rb8-c8 g5-g6 Ke8-d7 Bd3-c2+ Kd7-c7 Bc2xa4 f7xg6 Ba4-d7 Rc8-f8 Bd7xe6 g6-g5 Be6-d5 a6-a5 Bf6xg5 Rf8-h8 Bg5-f6 Rh8-h1+ Kb1-a2 Rh1-e1 g4-g5 Kc7-b6 e5-e6 Kb6-c5 e6-e7 Re1-e5 Bf6xe5 a5-a4 e7-e8Q
38/66 31:56 16,477,661k 8,600k +33.90 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Ba4-c6 Bd3-c2 Ke8-f8 Rd2-h2 Kf8-e8 Rh2-h8+ Ke8-d7 Rh8xb8 Bc6xf3 Bc2-a4+ Kd7-c7 Rb8-f8 Bf3-e4+ Kb1-c1 Kc7-b6 Rf8xf7 Kb6-c5 b2-b3 Kc5-d4 Kc1-d2 Be4-g6 Rf7-d7+ Kd4-e4 Ba4-c6+ Ke4-f4 Rd7-d4+ Kf4-g3 c4-c5 Bg6-h7 Rd4-a4 Bh7-g6 Bc6-d7 Kg3-f3 Ra4-d4 Kf3-g3 c5-c6 Kg3-g2 c6-c7 Kg2-h1 Bd7xe6 Bg6-e8 Be6-d5+ Kh1-h2 e5-e6 Be8-b5 g5-g6 Kh2-g1 Bf6-h4 Bb5-e8 g6-g7
39/65 36:27 19,016,426k 8,693k +33.73 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Ba4-c6 Bd3-c2 Ke8-f8 Rd2-h2 Kf8-e8 Rh2-h8+ Ke8-d7 Rh8xb8 Bc6xf3 Bc2-a4+ Kd7-c7 Rb8-f8 Bf3-e4+ Kb1-c1 Kc7-b6 Rf8xf7 Kb6-c5 b2-b3 Kc5-d4 Kc1-d2 Be4-g6 Rf7-d7+ Kd4-e4 Ba4-c6+ Ke4-f4 Rd7-d4+ Kf4-g3 c4-c5 Bg6-f7 Rd4-a4 Kg3-h3 Bc6-d7 Bf7-g8 c5-c6 Bg8-h7 Bd7xe6 Kh3-g3 c6-c7 a6-a5 Ra4-a1 Bh7-b1 Ra1xb1 Kg3-f2 Rb1-e1 Kf2-g3 g5-g6
40/48+ 43:21 22,958,045k 8,826k +48.04 Be2xh5
40/62 47:14 25,100,677k 8,856k +31.27 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Ba4-c6 Bd3-c2 Ke8-f8 Rd2-h2 Kf8-e8 Rh2-h8+ Ke8-d7 Rh8xb8 Bc6xf3 Bc2-a4+ Kd7-c7 Rb8-f8 Bf3-e4+ Kb1-c1 Kc7-b6 Rf8xf7 Kb6-c5 b2-b3 Kc5-d4 Kc1-d2 Be4-g6 Rf7-d7+ Kd4-e4 Ba4-c6+ Ke4-f4 Rd7-d4+ Kf4-g3 c4-c5 Kg3-h2 Bc6-d7 Kh2-g1 c5-c6 a6-a5 c6-c7 Bg6-e8 Bd7xe8 Kg1-f1 Be8-f7 Kf1-g1 Bf7xe6
41/63+ 47:59 25,519,121k 8,862k +51.78 Be2xh5
41/63 51:35 27,496,448k 8,882k +28.06 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Rb8-c8 g5-g6 Ke8-d7 Bd3-c2+ Kd7-c7 Bc2xa4 f7xg6 Ba4-d7 Rc8-f8 Bd7xe6 a6-a5 Be6-d5 g6-g5 Bf6xg5 Rf8-h8 e5-e6 Rh8-h1+ Kb1-a2 a5-a4 Bg5-f6 Kc7-d6 e6-e7 Rh1-h8 Bd5-g8+ Kd6-c5 Bf6xh8 Kc5-b4 Bg8-d5
42/46+ 58:12 31,128,198k 8,914k +49.68 Be2xh5
42/48 58:13 31,137,816k 8,914k +30.94 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Rb8-c8 g5-g6 Ke8-d7 Bd3-c2+ Kd7-c7 Bc2xa4 f7xg6 Ba4-d7 Rc8-b8 Bd7xe6 g6-g5 Be6-d5 Rb8-b3 e5-e6 Rb3-e3 e6-e7 Re3-e1+ Kb1-a2 Re1xe7 Bf6xe7 a6-a5 Ka2-b1 Kc7-c8 Be7xg5 Kc8-b8 Bg5-f6 Kb8-a7 g4-g5 Ka7-b8 Bd5-e4
43/42+ 59:29 31,827,339k 8,916k +52.25 Be2xh5
43/57 59:38 31,907,972k 8,916k +39.09 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Rb8-c8 g5-g6 Ke8-d7 Bd3-c2+ Kd7-c7 Bc2xa4 f7xg6 Ba4-d7 Rc8-b8 Bd7xe6 g6-g5 Be6-d5 Rb8-f8 Bf6xg5 Kc7-b6 e5-e6 Kb6-a5 e6-e7 Rf8-c8 Bg5-f6 Ka5-a4 g4-g5 Ka4-b4 Bd5-f7 Kb4-c5 g5-g6 a6-a5 g6-g7 Rc8-c6 e7-e8Q a5-a4 Qe8-e7+ Kc5-b6 g7-g8Q
44/59 1:01:32 32,957,068k 8,924k +40.09 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Ke8-f8 Rd2-d6 Rb8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6-b7 g5-g6 Ke8-d7 Rh7xf7+ Kd7-c6 Bc2-e4+ Kc6-c5 Be4xb7 Rc8-b8 Rf7-c7+ Kc5-d4 c4-c5 Kd4-e3 c5-c6 Rb8-e8 Rc7-c8 Ke3-f2 Rc8xe8 Kf2-f1 g6-g7 Kf1-e1 c6-c7 a5-a4 g7-g8Q Ke1-d2 c7-c8Q
45/64+ 1:20:17 43,057,091k 8,938k +62.58 Be2xh5
45/64 1:20:20 43,086,822k 8,938k +55.84 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Rb8-c8 Rd2-d6 a6-a5 Rd6-d1 Ke8-f8 Rd1-h1 Kf8-e8 Rh1-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5-d4 Bc2-e4 a5-a4 Re6-a6 Kd4xc4 Ra6xa4+ Kc4-b5 Ra4-a8 Rc8-c4 Ra8-b8+ Kb5-a6 Be4-d3 Ka6-a7 Bd3xc4 Ka7xb8
46/57 1:20:52 43,376,743k 8,939k +58.73 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Rb8-c8 Rd2-d6 a6-a5 Rd6-d1 Ke8-f8 Rd1-h1 Kf8-e8 Rh1-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5-d4 Bc2-e4 Rc8-b8 g5-g6 a5-a4 Re6-d6+ Kd4-e3 g6-g7 Ke3-e2 Rd6-d8 Ke2-f2 Rd8xb8 Kf2-g2 Bf6-h4
47/61 1:21:03 43,471,370k 8,939k +57.55 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Rb8-c8 Rd2-d6 a6-a5 Rd6-d1 Ke8-f8 Rd1-h1 Kf8-e8 Rh1-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5-d4 Bc2-e4 Rc8-b8 g5-g6 Rb8-b6 Re6xb6 Kd4-e3 e5-e6 Ke3-e2 Be4-d3+ Ke2xd3 Rb6-a6 Kd3xc4 Ra6xa5 Kc4-b4
48/53 1:21:19 43,620,860k 8,939k +56.22 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Rb8-c8 Rd2-d6 a6-a5 Rd6-d1 Ke8-f8 Rd1-h1 Kf8-e8 Rh1-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5-d4 Bc2-e4 a5-a4 Re6-a6 Kd4xc4 Ra6xa4+ Kc4-b5 Ra4-a8 Rc8-c4 Ra8-b8+ Kb5-c5 Rb8-c8+ Kc5-b4 Rc8xc4+ Kb4xc4 Be4-f5 Kc4-b4
49/58 1:29:19 47,921,646k 8,941k +66.39 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Rb8-c8 Rd2-d6 a6-a5 Rd6-d4 Ke8-f8 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5-d4 Re6-a6 Kd4xc4 Ra6xa5 Rc8-c7 Ra5-a3 Rc7-d7 g5-g6 Rd7-d4 Ra3-a4+ Kc4-c5 Ra4xd4 Kc5xd4 g6-g7 Kd4-e3 Bc2-e4 Ke3-e2 g7-g8Q Ke2-f2 e5-e6
50/64 1:55:55 62,847,616k 9,035k +73.42 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Rb8-c8 Rd2-d6 Ke8-f8 Rd6-d4 Rc8-b8 Rd4-h4 Kf8-e8 Rh4-h8+ Ke8-d7 Rh8xb8 Kd7-c7 Rb8-f8 Kc7-b6 Rf8xf7 Bc6-e8 Rf7-e7 Be8-h5 g5-g6 Kb6-c5 g6-g7 Bh5-f7 Re7-c7+ Kc5-b6 Rc7xf7 Kb6-a5 Bf6-d8+ Ka5-b4 Rf7-b7+ Kb4-c5 g7-g8Q Kc5-d4 Qg8xe6 Kd4-e3 Qe6xa6 Ke3-f2 Qa6-g6
51/51+ 1:56:13 63,010,729k 9,036k +152.65 Be2xh5
51/59 1:56:14 63,017,125k 9,036k +79.78 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-c7 Bg6xf7 Bc6-e8 Bf7xe8 Rb8xe8 Rd2-d6 a6-a5 g5-g6 Re8-g8 g6-g7 a5-a4 Kb1-a2 Kc7-b7 Rd6xe6 Kb7-b8 Re6-d6 Kb8-c7 Ka2-b1 a4-a3 b2xa3 Rg8-b8+ Kb1-a2 Rb8-g8 c4-c5 Rg8-e8 e5-e6 Kc7-b7 e6-e7 Re8-a8 Rd6-d8 Ra8-a4 e7-e8Q Ra4xa3+ Ka2xa3 Kb7-a6 g7-g8Q
52/58 1:58:38 64,315,601k 9,036k +80.06 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-c7 Bg6xf7 Bc6-e8 Bf7xe8 Rb8xe8 Rd2-d6 a6-a5 g5-g6 Re8-g8 g6-g7 a5-a4 Kb1-a2 Kc7-b7 Rd6xe6 Kb7-b8 Re6-d6 Kb8-c7 Ka2-b1 a4-a3 b2xa3 Rg8-e8 Rd6-d8 Kc7-c6 Rd8xe8 Kc6-c5 g7-g8Q Kc5-d4 Qg8-d5+ Kd4-e3 Re8-g8 Ke3-e2 e5-e6 Ke2-f2
53/65 2:01:02 65,605,548k 9,033k +33.87 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Rb8-c8 Rd2-d1 Ke8-f8 Rd1-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5xc4 g5-g6 Kc4-d4 Re6-d6+ Kd4-e3 g6-g7 Ke3xf3 Rd6-d8 Rc8xd8 Bf6xd8 Kf3-e2 g7-g8Q Ke2-f3 Bd8xa5 Kf3-f4 e5-e6 Kf4-f3 e6-e7 Kf3-f2 Qg8-f8+ Kf2-g2 e7-e8Q
54/50+ 2:06:04 68,382,970k 9,039k +85.49 Be2xh5
54/53 2:06:11 68,435,186k 9,039k +71.62 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-d7 Bd3-g6+ Kd7-e8 Bg6-c2 Ke8-f8 Rd2-d6 Rb8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5xc4 g5-g6 a5-a4 Bc2xa4 Kc4-b4 Re6-a6 Rc8-b8 Ba4-c2 Kb4-c5 Ra6-d6 Rb8-b5 g6-g7 Rb5-b4 g7-g8Q Rb4-d4 Rd6xd4 Kc5-b5
55/55+ 2:24:02 78,529,573k 9,086k +152.65 Be2xh5
55/58 8:19:34 92,508,312k 3,086k +M27 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 a6-a5 Bd3-c2 Ke8-f8 Rd2-d4 Rb8-c8 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Rc8-a8 g5-g6 a5-a4 Re6-c6+ Kc5-d4 Rc6-d6+ Kd4-e3 Rd6-d8 Ra8-a7 e5-e6 Ke3xf3 e6-e7 Ra7xe7 Bf6xe7 a4-a3 Rd8-f8+ Kf3-e2 Be7xa3 Ke2-d2 g6-g7 Kd2-e3 Ba3-c5+ Ke3-d2 g7-g8Q
56/62 8:21:41 93,503,797k 3,106k +M29 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-b6 Re7xe6+ Kb6-a7 g5-g6 a5-a4 Bc2xa4 Rc8-g8 g6-g7 Ka7-b7 Re6-e7+ Kb7-b6 Re7-d7 Kb6-c5 Rd7-d5+ Kc5xc4 Rd5-d8 Rg8xg7 Bf6xg7 Kc4-b4 e5-e6 Kb4xa4 e6-e7 Ka4-b3 Rd8-d3+ Kb3-c4 Rd3-c3+ Kc4-b5 e7-e8Q+ Kb5-a5 Qe8-a8+ Ka5-b6 Qa8-b8+ Kb6-a5 Rc3-a3+
57/66 8:27:19 96,206,318k 3,161k +M27 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 a5-a4 Bc2xa4 Kc5-d4 Re6-c6 Rc8-b8 e5-e6+ Kd4-e3 e6-e7 Ke3-f2 Rc6-d6 Rb8-a8 g5-g6 Kf2xf3 e7-e8Q Ra8xe8 Ba4xe8 Kf3-g4 g6-g7 Kg4-g3 g7-g8Q+ Kg3-f3 Be8-c6+ Kf3-e3 Qg8-g5+ Ke3-f2 Qg5-g2+ Kf2-e3 Bf6-g5+
58/54 8:35:47 99,953,602k 3,230k +M27 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5xc4 g5-g6 a5-a4 Bc2xa4 Rc8-g8 g6-g7 Kc4-d4 Re6-d6+ Kd4-e3 Rd6-d8 Rg8xg7 Bf6xg7 Ke3xf3 Ba4-d1+ Kf3-g2 e5-e6 Kg2-f2 Bg7-d4+ Kf2-g3 e6-e7 Kg3-h2 e7-e8Q Kh2-h1 Qe8-c6+ Kh1-h2 Rd8-h8+ Kh2-g3 Qc6-f3+
59/54 8:41:02 102,678,958k 3,284k +M27 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-b6 Re7xe6+ Kb6-a7 g5-g6 a5-a4 Bc2xa4 Rc8-g8 g6-g7 Ka7-b7 Re6-e7+ Kb7-b6 Re7-d7 Kb6-a5 Rd7-d8 Rg8xg7 Bf6xg7 Ka5-b6 Rd8-d7 Kb6-a6 Ba4-b5+ Ka6-b6 e5-e6 Kb6-c5 Bg7-f8+ Kc5-b6 e6-e7 Kb6-c5 e7-e8Q+ Kc5-b6 Qe8-d8+
60/64 8:45:46 105,158,316k 3,333k +M27 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 a5-a4 Bc2xa4 Rc8-a8 Re6-c6+ Kc5-d4 e5-e6+ Kd4-e3 e6-e7 Ke3xf3 Rc6-d6 Kf3-f2 e7-e8Q Ra8xe8 Ba4xe8 Kf2-e3 g5-g6 Ke3-e4 g6-g7 Ke4-e3 g7-g8Q Ke3-f3 Be8-c6+ Kf3-e3 Qg8-g3+ Ke3-e2 Bf6-c3 Ke2-f1 Qg3-g2+
61/59 9:18:24 123,090,969k 3,674k +M26 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 a5-a4 Bc2xa4 Rc8-a8 Re6-c6+ Kc5-d4 e5-e6+ Kd4-e3 e6-e7 Ke3xf3 Rc6-d6 Kf3-f2 e7-e8Q Ra8xe8 Ba4xe8 Kf2-f3 g5-g6 Kf3-g2 g6-g7 Kg2-f1 g7-g8Q Kf1-f2 Bf6-h4+ Kf2-f3 Qg8-g3+ Kf3-e2 Qg3-f2+
62/53 9:24:16 126,129,352k 3,725k +M26 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 a5-a4 Bc2xa4 Rc8-a8 Re6-c6+ Kc5-d4 e5-e6+ Kd4-e3 e6-e7 Ke3xf3 Rc6-d6 Ra8xa4 e7-e8Q Ra4-a3 b2xa3 Kf3-g3 Qe8-e5+ Kg3-h4 Rd6-d3 Kh4-h5 Qe5-e2+ Kh5-g6
63/60 9:34:16 131,380,074k 3,813k +M26 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 a5-a4 Bc2xa4 Rc8-a8 Re6-c6+ Kc5-d4 e5-e6+ Kd4-e3 e6-e7 Ke3xf3 Rc6-d6 Kf3-f2 e7-e8Q Ra8xe8 Ba4xe8 Kf2-f3 g5-g6 Kf3-e3 g6-g7 Ke3-f3 g7-g8Q Kf3-f2 Bf6-h4+ Kf2-f3 Qg8-g3+ Kf3-e2 Qg3-f2+
64/64 9:47:47 138,380,254k 3,924k +M26 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5-d4 Re6-d6+ Kd4-e3 g5-g6 a5-a4 g6-g7 Rc8-g8 Rd6-d8 Rg8xg7 Bf6xg7 Ke3xf3 Bc2xa4 Kf3-e3 e5-e6 Ke3-f2 e6-e7 Kf2-g3 e7-e8Q Kg3-h4 Rd8-d2 Kh4-g4 Qe8-e4+ Kg4-h3 Qe4-f3+ Kh3-h4 Bg7-f6+
65/57 10:07:42 148,337,120k 4,068k +M26 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Ke8-f8 Bd3-c2 Rb8-e8 Rd2-d6 Re8-c8 Rd6-d4 a6-a5 Rd4-h4 Kf8-e8 Rh4-h7 Bc6xf3 g2xf3 Ke8-d7 Rh7xf7+ Kd7-c6 Rf7-e7 Kc6-c5 Re7xe6 Kc5-d4 g5-g6 Kd4-e3 g6-g7 a5-a4 Bc2xa4 Rc8-g8 Re6-e8 Rg8xg7 Bf6xg7 Ke3-f4 Re8-f8+ Kf4-g3 e5-e6 Kg3-f2 e6-e7 Kf2-e3 e7-e8Q+ Ke3-f2 Bg7-d4+ Kf2-f1 Qe8-e4 Kf1-g2 Rf8-g8+ Kg2-f1 Rg8-g1+
66/69 13:26:18 174,820,327k 3,614k +M24 Be2xh5 Bd7-c6 f2-f3 Qc7-d7 Bh5xg6 Qd7xd3+ Bg6xd3 Bc6-a4 g2-g4 Ba4-c6 Bd3-c2 Ke8-f8 Rd2-h2 Kf8-e8 Rh2-h8+ Ke8-d7 Rh8xb8 Kd7-c7 Rb8-f8 a6-a5 Rf8xf7+ Kc7-b6 Bf6-d8+ Kb6-c5 Rf7-c7 a5-a4 g5-g6 Kc5-d4 g6-g7 Kd4-e3 Rc7xc6 Ke3-f2 g7-g8Q a4-a3 Qg8xe6 a3-a2+ Kb1xa2 Kf2-g2 Bd8-b6 Kg2xf3 Qe6-f5+ Kf3-g2 Qf5-d3 Kg2-h2 Rc6-h6+ Kh2-g2 Qd3-h3+
Top
Uri Blass
Posts: 11125
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: tcec practical hard mate test

Post by Uri Blass »

Vinvin wrote: ↑Mon Oct 10, 2022 10:46 pm
Vinvin wrote: ↑Mon Oct 10, 2022 7:40 pm
Uri Blass wrote: ↑Mon Oct 10, 2022 2:13 pm 8/4n3/2p5/1k6/p1p1B2R/8/PB2n3/1K6 w - - 0 1 bm Rh5+ dm 33
Be5 is mate in 24, Rh5+ is mate in 28.

Code: Select all

Blue Marlin 15.3-avx2:
 60/56	00:04	 198.317k	41.874k	+M28	1.Rh5+ Nd5 2.Bxd5 cxd5 3.Rxd5+ Kc6 4.Ra5 c3 5.Rxa4 cxb2 6.Kxb2 Kb6 7.Kb3 Nc1+ 8.Kc4 Ne2 9.Rb4+ Ka5 10.Rb5+ Ka4 11.Re5 Ng3 12.Re8 Ka5 13.Kc5 Ka6 14.Re6+ Kb7 15.a4 Kc7 16.a5 Kb7 17.Rb6+ Ka7 18.a6 Ne4+ 19.Kb5 Nc3+ 20.Ka5 Ka8 21.Rb3 Nd5 22.Rd3 Ne7 23.Rd8+ Ka7 24.Rd7+ Ka8 25.Rxe7 Kb8 26.Rg7 Ka8 27.Kb6 Kb8 28.Rg8+
 60/48	00:04	 198.317k	41.874k	+M24	1.Be5 Nd5 2.Bxd5 cxd5 3.Rg4 Kc5 4.Rg2 Nd4 5.Bxd4+ Kxd4 6.Kc2 Ke4 7.Kc3 Kf3 8.Rg6 Ke4 9.Ra6 Ke5 10.Rxa4 Kd6 11.Kd4 Ke6 12.Ra5 c3 13.Rxd5 c2 14.Rc5 Kd6 15.a4 Kd7 16.Rxc2 Ke6 17.Rc5 Ke7 18.a5 Kd7 19.a6 Ke6 20.a7 Ke7 21.a8Q Kd6 22.Rc6+ Kd7 23.Qb7+ Kd8 24.Rc8+
Update :

Code: Select all

Blue Marlin 15.3-avx2:
 73/52	02:52	 8.172.312k	47.389k	+M26	1.Rg4 c5 2.Bf3 Nd4 3.Bxd4 cxd4 4.Rxd4 a3 5.Kc2 Nc8 6.Be2 Kb6 7.Rxc4 Nd6 8.Kb3 Nxc4 9.Bxc4 Kc5 10.Be2 Kd5 11.Kxa3 Kc5 12.Kb3 Kd6 13.Kb4 Kd5 14.a4 Kc6 15.a5 Kd6 16.a6 Kc6 17.Bb5+ Kb6 18.Kc4 Kc7 19.Kc5 Kd8 20.a7 Ke7 21.Bd3 Kf6 22.a8Q Ke7 23.Qf3 Kd7 24.Qf7+ Kd8 25.Kd6 Kc8 26.Qc7+
 73/52	02:52	 8.172.312k	47.389k	+M26	1.Bf3 Ng3 2.Rh3 c3 3.Rxg3 cxb2 4.Kxb2 Nc8 5.Rg6 Na7 6.Rg7 Nc8 7.Rc7 Nd6 8.Kc3 c5 9.Rc6 Nb7 10.Rg6 Na5 11.Be2+ c4 12.Bxc4+ Kc5 13.Bd5 Kxd5 14.Rg5+ Kd6 15.Rxa5 Ke7 16.Rxa4 Ke6 17.Rd4 Ke7 18.a4 Kf7 19.a5 Kf6 20.a6 Ke5 21.a7 Kf5 22.a8Q Kf6 23.Qf8+ Kg5 24.Qf3 Kh6 25.Rg4 Kh5 26.Qh3+
 74/50	02:52	 8.172.312k	47.389k	+M25	1.Rh5+ Nd5 2.Be5 Ka6 3.Bxd5 cxd5 4.Kc2 d4 5.Kd2 Nc3 6.Bxd4 Nxa2 7.Bc5 c3+ 8.Kc2 Kb5 9.Ba3+ Kc4 10.Rh4+ Kb5 11.Kd3 Ka5 12.Rh5+ Kb6 13.Rh2 Kc6 14.Rxa2 Kd5 15.Re2 c2 16.Rxc2 Ke5 17.Rc5+ Kf4 18.Ra5 Kf3 19.Rxa4 Kf2 20.Be7 Kf1 21.Ke3 Kg2 22.Rg4+ Kh3 23.Kf3 Kh2 24.Kf2 Kh3 25.Rh4+
 74/48	02:52	 8.172.312k	47.389k	+M24	1.Be5 Nd5 2.Bxd5 cxd5 3.Rg4 Kc5 4.Rg2 Nd4 5.Bxd4+ Kxd4 6.Kc2 Kc5 7.Rg8 Kc6 8.Ra8 Kc5 9.Rxa4 Kc6 10.Rb4 Kc5 11.Rb8 Kc6 12.a4 Kc5 13.a5 d4 14.Rb1 d3+ 15.Kc3 d2 16.a6 d1Q 17.Rxd1 Kb6 18.Kxc4 Kxa6 19.Kc5 Kb7 20.Rd7+ Kc8 21.Kc6 Kb8 22.Rd8+ Ka7 23.Re8 Ka6 24.Ra8+
It seems that Be5 is mate in at most 23 moves

Deep blue marlin in multi-pv mode after 1.Be5

FEN: 8/4n3/2p5/1k2B3/p1p1B2R/8/P3n3/1K6 b - - 1 1

Blue Marlin 15.3a-avx2:



---------------------------------------------------------------------------
72/35 46:07 35,640,562k 12,877k -M17 Kb5-b4 Be5-d6+ Kb4-c3 Bd6xe7 Kc3-d2 Rh4-h2 Kd2-e3 Be4xc6 Ke3-d3 Rh2xe2 Kd3xe2 Kb1-c2 c4-c3 Bc6xa4 Ke2-e3 Ba4-d7 Ke3-e4 a2-a4 Ke4-d4 a4-a5 Kd4-c4 a5-a6 Kc4-d4 a6-a7 Kd4-e4 a7-a8Q+ Ke4-e3 Be7-c5+ Ke3-f4 Qa8-f8+ Kf4-g5 Qf8-f5+ Kg5-h6 Bc5-f8+
72/35 46:07 35,640,562k 12,877k -M17 a4-a3 Rh4-h2 Ne2-c3+ Be5xc3 Kb5-c5 Rh2-h6 Ne7-d5 Be4xd5 Kc5xd5 Kb1-c2 Kd5-c5 Rh6-h5+ Kc5-d6 Bc3-d4 Kd6-e7 Rh5-h6 Ke7-d7 Kc2-c3 Kd7-c8 Kc3xc4 Kc8-c7 Bd4-e5+ Kc7-d7 Kc4-c5 Kd7-e7 Kc5xc6 Ke7-f8 Kc6-d6 Kf8-f7 Be5-f6 Kf7-e8 Kd6-e6 Ke8-f8 Rh6-h8+
72/37 46:07 35,640,562k 12,877k -M18 Kb5-b6 Rh4-h2 Ne2-g1 Rh2-h7 Ne7-d5 Be4xd5 c6xd5 Be5-d4+ Kb6-c6 Rh7-h6+ Kc6-b7 Bd4xg1 Kb7-c8 Kb1-c2 Kc8-d7 Bg1-d4 Kd7-e7 Bd4-e5 Ke7-f7 Kc2-c3 Kf7-e7 Kc3-d4 Ke7-d7 Kd4xd5 c4-c3 Rh6-h7+ Kd7-c8 Be5xc3 Kc8-d8 Bc3-f6+ Kd8-c8 Kd5-c6 Kc8-b8 Bf6-d4 Kb8-c8 Rh7-h8+
72/37 46:07 35,640,562k 12,877k -M18 c6-c5 Rh4-h7 Ne7-g8 Rh7-h8 Ng8-e7 Rh8-b8+ Kb5-a5 Rb8-e8 Ne7-f5 Be4xf5 Ne2-d4 Be5xd4 c5xd4 Re8-b8 Ka5-a6 Kb1-c2 Ka6-a7 Rb8-d8 d4-d3+ Kc2-c3 d3-d2 Rd8xd2 Ka7-b7 Bf5-e4+ Kb7-c7 Kc3xc4 Kc7-c8 Kc4-c5 Kc8-c7 a2-a3 Kc7-b8 Kc5-b6 Kb8-c8 Rd2-d4 Kc8-b8 Rd4-d8+
72/37 46:07 35,640,562k 12,877k -M18 Ne2-g1 Rh4-h1 Ng1-e2 Rh1-h2 Ne2-f4 Be5xf4 Kb5-c5 Rh2-d2 Ne7-d5 Be4xd5 c6xd5 Bf4-e5 Kc5-c6 Kb1-b2 Kc6-c5 Kb2-c3 a4-a3 Rd2-h2 d5-d4+ Be5xd4+ Kc5-d5 Rh2-e2 Kd5-c6 Kc3xc4 Kc6-d7 Kc4-d5 Kd7-c7 Re2-e7+ Kc7-d8 Bd4-c5 Kd8-c8 Bc5-b6 Kc8-b8 Kd5-c6 Kb8-c8 Re7-e8+
72/39 46:07 35,640,562k 12,877k -M19 c4-c3 Be4-d3+ Kb5-c5 Bd3xe2 Kc5-d5 Be5xc3 Ne7-f5 Rh4-h5 Kd5-e4 Be2-f3+ Ke4-f4 Rh5xf5+ Kf4xf5 Bf3xc6 Kf5-e6 Bc3-b4 Ke6-e5 Bc6xa4 Ke5-d5 Ba4-b5 Kd5-e5 a2-a4 Ke5-d5 a4-a5 Kd5-d4 a5-a6 Kd4-e3 a6-a7 Ke3-e4 a7-a8Q+ Ke4-f4 Qa8-d5 Kf4-g4 Bb4-d6 Kg4-h4 Bb5-e2 Kh4-h3 Qd5-h1+
73/39 46:07 35,640,562k 12,877k -M19 Kb5-c5 Be4-f3 Ne7-g6 Rh4-e4 Ne2-g1 Be5-d4+ Kc5-d5 Bd4xg1 Ng6-e5 Re4xe5+ Kd5xe5 Bf3xc6 a4-a3 Bg1-c5 Ke5-f4 Bc5xa3 Kf4-e3 Kb1-c2 Ke3-f4 Ba3-c5 Kf4-g4 a2-a4 Kg4-g3 a4-a5 Kg3-f4 a5-a6 Kf4-f5 a6-a7 Kf5-g5 a7-a8Q Kg5-f6 Qa8-g8 c4-c3 Bc5-d6 Kf6-f5 Qg8-g7 Kf5-e6 Qg7-g6+
73/45 46:07 35,640,562k 12,877k -M22 Ne7-d5 Be4-f3 Ne2-g1 Bf3-h5 Kb5-c5 Rh4-h1 c4-c3 Rh1xg1 c3-c2+ Kb1xc2 Nd5-b4+ Kc2-b1 Kc5-d5 Be5-c3 c6-c5 Bh5-e2 Kd5-e4 Rg1-g4+ Ke4-f5 Bc3xb4 c5xb4 Rg4xb4 a4-a3 Kb1-c2 Kf5-f6 Rb4-e4 Kf6-f5 Kc2-d3 Kf5-g5 Kd3-d4 Kg5-f5 Be2-c4 Kf5-f6 Bc4-e6 Kf6-g5 Re4-g4+ Kg5-f6 Kd4-d5 Kf6-e7 Kd5-e5 Ke7-e8 Ke5-d6 Ke8-f8 Rg4-g8+
Top
Chessqueen
Posts: 5685
Joined: Wed Sep 05, 2018 2:16 am
Location: Moving
Full name: Jorge Picado

Re: tcec practical hard mate test

Post by Chessqueen »

Uri Blass wrote: ↑Wed Oct 12, 2022 8:36 am
Vinvin wrote: ↑Mon Oct 10, 2022 10:46 pm
Vinvin wrote: ↑Mon Oct 10, 2022 7:40 pm
Uri Blass wrote: ↑Mon Oct 10, 2022 2:13 pm 8/4n3/2p5/1k6/p1p1B2R/8/PB2n3/1K6 w - - 0 1 bm Rh5+ dm 33
Be5 is mate in 24, Rh5+ is mate in 28.

Code: Select all

Blue Marlin 15.3-avx2:
 60/56	00:04	 198.317k	41.874k	+M28	1.Rh5+ Nd5 2.Bxd5 cxd5 3.Rxd5+ Kc6 4.Ra5 c3 5.Rxa4 cxb2 6.Kxb2 Kb6 7.Kb3 Nc1+ 8.Kc4 Ne2 9.Rb4+ Ka5 10.Rb5+ Ka4 11.Re5 Ng3 12.Re8 Ka5 13.Kc5 Ka6 14.Re6+ Kb7 15.a4 Kc7 16.a5 Kb7 17.Rb6+ Ka7 18.a6 Ne4+ 19.Kb5 Nc3+ 20.Ka5 Ka8 21.Rb3 Nd5 22.Rd3 Ne7 23.Rd8+ Ka7 24.Rd7+ Ka8 25.Rxe7 Kb8 26.Rg7 Ka8 27.Kb6 Kb8 28.Rg8+
 60/48	00:04	 198.317k	41.874k	+M24	1.Be5 Nd5 2.Bxd5 cxd5 3.Rg4 Kc5 4.Rg2 Nd4 5.Bxd4+ Kxd4 6.Kc2 Ke4 7.Kc3 Kf3 8.Rg6 Ke4 9.Ra6 Ke5 10.Rxa4 Kd6 11.Kd4 Ke6 12.Ra5 c3 13.Rxd5 c2 14.Rc5 Kd6 15.a4 Kd7 16.Rxc2 Ke6 17.Rc5 Ke7 18.a5 Kd7 19.a6 Ke6 20.a7 Ke7 21.a8Q Kd6 22.Rc6+ Kd7 23.Qb7+ Kd8 24.Rc8+
Update :

Code: Select all

Blue Marlin 15.3-avx2:
 73/52	02:52	 8.172.312k	47.389k	+M26	1.Rg4 c5 2.Bf3 Nd4 3.Bxd4 cxd4 4.Rxd4 a3 5.Kc2 Nc8 6.Be2 Kb6 7.Rxc4 Nd6 8.Kb3 Nxc4 9.Bxc4 Kc5 10.Be2 Kd5 11.Kxa3 Kc5 12.Kb3 Kd6 13.Kb4 Kd5 14.a4 Kc6 15.a5 Kd6 16.a6 Kc6 17.Bb5+ Kb6 18.Kc4 Kc7 19.Kc5 Kd8 20.a7 Ke7 21.Bd3 Kf6 22.a8Q Ke7 23.Qf3 Kd7 24.Qf7+ Kd8 25.Kd6 Kc8 26.Qc7+
 73/52	02:52	 8.172.312k	47.389k	+M26	1.Bf3 Ng3 2.Rh3 c3 3.Rxg3 cxb2 4.Kxb2 Nc8 5.Rg6 Na7 6.Rg7 Nc8 7.Rc7 Nd6 8.Kc3 c5 9.Rc6 Nb7 10.Rg6 Na5 11.Be2+ c4 12.Bxc4+ Kc5 13.Bd5 Kxd5 14.Rg5+ Kd6 15.Rxa5 Ke7 16.Rxa4 Ke6 17.Rd4 Ke7 18.a4 Kf7 19.a5 Kf6 20.a6 Ke5 21.a7 Kf5 22.a8Q Kf6 23.Qf8+ Kg5 24.Qf3 Kh6 25.Rg4 Kh5 26.Qh3+
 74/50	02:52	 8.172.312k	47.389k	+M25	1.Rh5+ Nd5 2.Be5 Ka6 3.Bxd5 cxd5 4.Kc2 d4 5.Kd2 Nc3 6.Bxd4 Nxa2 7.Bc5 c3+ 8.Kc2 Kb5 9.Ba3+ Kc4 10.Rh4+ Kb5 11.Kd3 Ka5 12.Rh5+ Kb6 13.Rh2 Kc6 14.Rxa2 Kd5 15.Re2 c2 16.Rxc2 Ke5 17.Rc5+ Kf4 18.Ra5 Kf3 19.Rxa4 Kf2 20.Be7 Kf1 21.Ke3 Kg2 22.Rg4+ Kh3 23.Kf3 Kh2 24.Kf2 Kh3 25.Rh4+
 74/48	02:52	 8.172.312k	47.389k	+M24	1.Be5 Nd5 2.Bxd5 cxd5 3.Rg4 Kc5 4.Rg2 Nd4 5.Bxd4+ Kxd4 6.Kc2 Kc5 7.Rg8 Kc6 8.Ra8 Kc5 9.Rxa4 Kc6 10.Rb4 Kc5 11.Rb8 Kc6 12.a4 Kc5 13.a5 d4 14.Rb1 d3+ 15.Kc3 d2 16.a6 d1Q 17.Rxd1 Kb6 18.Kxc4 Kxa6 19.Kc5 Kb7 20.Rd7+ Kc8 21.Kc6 Kb8 22.Rd8+ Ka7 23.Re8 Ka6 24.Ra8+
It seems that Be5 is mate in at most 23 moves

Deep blue marlin in multi-pv mode after 1.Be5

FEN: 8/4n3/2p5/1k2B3/p1p1B2R/8/P3n3/1K6 b - - 1 1

Blue Marlin 15.3a-avx2:



---------------------------------------------------------------------------
72/35 46:07 35,640,562k 12,877k -M17 Kb5-b4 Be5-d6+ Kb4-c3 Bd6xe7 Kc3-d2 Rh4-h2 Kd2-e3 Be4xc6 Ke3-d3 Rh2xe2 Kd3xe2 Kb1-c2 c4-c3 Bc6xa4 Ke2-e3 Ba4-d7 Ke3-e4 a2-a4 Ke4-d4 a4-a5 Kd4-c4 a5-a6 Kc4-d4 a6-a7 Kd4-e4 a7-a8Q+ Ke4-e3 Be7-c5+ Ke3-f4 Qa8-f8+ Kf4-g5 Qf8-f5+ Kg5-h6 Bc5-f8+
72/35 46:07 35,640,562k 12,877k -M17 a4-a3 Rh4-h2 Ne2-c3+ Be5xc3 Kb5-c5 Rh2-h6 Ne7-d5 Be4xd5 Kc5xd5 Kb1-c2 Kd5-c5 Rh6-h5+ Kc5-d6 Bc3-d4 Kd6-e7 Rh5-h6 Ke7-d7 Kc2-c3 Kd7-c8 Kc3xc4 Kc8-c7 Bd4-e5+ Kc7-d7 Kc4-c5 Kd7-e7 Kc5xc6 Ke7-f8 Kc6-d6 Kf8-f7 Be5-f6 Kf7-e8 Kd6-e6 Ke8-f8 Rh6-h8+
72/37 46:07 35,640,562k 12,877k -M18 Kb5-b6 Rh4-h2 Ne2-g1 Rh2-h7 Ne7-d5 Be4xd5 c6xd5 Be5-d4+ Kb6-c6 Rh7-h6+ Kc6-b7 Bd4xg1 Kb7-c8 Kb1-c2 Kc8-d7 Bg1-d4 Kd7-e7 Bd4-e5 Ke7-f7 Kc2-c3 Kf7-e7 Kc3-d4 Ke7-d7 Kd4xd5 c4-c3 Rh6-h7+ Kd7-c8 Be5xc3 Kc8-d8 Bc3-f6+ Kd8-c8 Kd5-c6 Kc8-b8 Bf6-d4 Kb8-c8 Rh7-h8+
72/37 46:07 35,640,562k 12,877k -M18 c6-c5 Rh4-h7 Ne7-g8 Rh7-h8 Ng8-e7 Rh8-b8+ Kb5-a5 Rb8-e8 Ne7-f5 Be4xf5 Ne2-d4 Be5xd4 c5xd4 Re8-b8 Ka5-a6 Kb1-c2 Ka6-a7 Rb8-d8 d4-d3+ Kc2-c3 d3-d2 Rd8xd2 Ka7-b7 Bf5-e4+ Kb7-c7 Kc3xc4 Kc7-c8 Kc4-c5 Kc8-c7 a2-a3 Kc7-b8 Kc5-b6 Kb8-c8 Rd2-d4 Kc8-b8 Rd4-d8+
72/37 46:07 35,640,562k 12,877k -M18 Ne2-g1 Rh4-h1 Ng1-e2 Rh1-h2 Ne2-f4 Be5xf4 Kb5-c5 Rh2-d2 Ne7-d5 Be4xd5 c6xd5 Bf4-e5 Kc5-c6 Kb1-b2 Kc6-c5 Kb2-c3 a4-a3 Rd2-h2 d5-d4+ Be5xd4+ Kc5-d5 Rh2-e2 Kd5-c6 Kc3xc4 Kc6-d7 Kc4-d5 Kd7-c7 Re2-e7+ Kc7-d8 Bd4-c5 Kd8-c8 Bc5-b6 Kc8-b8 Kd5-c6 Kb8-c8 Re7-e8+
72/39 46:07 35,640,562k 12,877k -M19 c4-c3 Be4-d3+ Kb5-c5 Bd3xe2 Kc5-d5 Be5xc3 Ne7-f5 Rh4-h5 Kd5-e4 Be2-f3+ Ke4-f4 Rh5xf5+ Kf4xf5 Bf3xc6 Kf5-e6 Bc3-b4 Ke6-e5 Bc6xa4 Ke5-d5 Ba4-b5 Kd5-e5 a2-a4 Ke5-d5 a4-a5 Kd5-d4 a5-a6 Kd4-e3 a6-a7 Ke3-e4 a7-a8Q+ Ke4-f4 Qa8-d5 Kf4-g4 Bb4-d6 Kg4-h4 Bb5-e2 Kh4-h3 Qd5-h1+
73/39 46:07 35,640,562k 12,877k -M19 Kb5-c5 Be4-f3 Ne7-g6 Rh4-e4 Ne2-g1 Be5-d4+ Kc5-d5 Bd4xg1 Ng6-e5 Re4xe5+ Kd5xe5 Bf3xc6 a4-a3 Bg1-c5 Ke5-f4 Bc5xa3 Kf4-e3 Kb1-c2 Ke3-f4 Ba3-c5 Kf4-g4 a2-a4 Kg4-g3 a4-a5 Kg3-f4 a5-a6 Kf4-f5 a6-a7 Kf5-g5 a7-a8Q Kg5-f6 Qa8-g8 c4-c3 Bc5-d6 Kf6-f5 Qg8-g7 Kf5-e6 Qg7-g6+
73/45 46:07 35,640,562k 12,877k -M22 Ne7-d5 Be4-f3 Ne2-g1 Bf3-h5 Kb5-c5 Rh4-h1 c4-c3 Rh1xg1 c3-c2+ Kb1xc2 Nd5-b4+ Kc2-b1 Kc5-d5 Be5-c3 c6-c5 Bh5-e2 Kd5-e4 Rg1-g4+ Ke4-f5 Bc3xb4 c5xb4 Rg4xb4 a4-a3 Kb1-c2 Kf5-f6 Rb4-e4 Kf6-f5 Kc2-d3 Kf5-g5 Kd3-d4 Kg5-f5 Be2-c4 Kf5-f6 Bc4-e6 Kf6-g5 Re4-g4+ Kg5-f6 Kd4-d5 Kf6-e7 Kd5-e5 Ke7-e8 Ke5-d6 Ke8-f8 Rg4-g8+
Latest Stockfish also see MATE in 23 moves
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Uri Blass
Posts: 11125
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: tcec practical hard mate test

Post by Uri Blass »

It seems to be mate in at most 22 moves because after
1.Be5 Nd5 2.Bf3 I get the following analysis with 5 options

FEN: 8/8/2p5/1k1nB3/p1p4R/5B2/P3n3/1K6 b - - 3 2

Blue Marlin 15.3a-avx2:

81/33 2:23:17 110,628,485k 12,867k -M16 Nd5-e7 Bf3xe2 Kb5-c5 Be5-f6 Ne7-d5 Bf6-d4+ Kc5-b5 Rh4-h5 Kb5-b4 Kb1-c2 Kb4-b5 Be2-f3 Kb5-a6 Rh5xd5 c6xd5 Bf3xd5 Ka6-a5 Kc2-c3 Ka5-b5 Bd5-b7 a4-a3 Bd4-e3 Kb5-a4 Kc3xc4 Ka4-a5 Kc4-c5 Ka5-a4 Bb7-c8 Ka4-a5 Be3-d2+ Ka5-a4 Bc8-d7+
81/33 2:23:17 110,628,485k 12,867k -M16 Kb5-c5 Bf3xe2 Nd5-e7 Be5-f6 Ne7-d5 Bf6-d4+ Kc5-b5 Rh4-h5 Kb5-b4 Kb1-c2 Kb4-b5 Be2-f3 Kb5-a6 Rh5xd5 c6xd5 Bf3xd5 Ka6-a5 Kc2-c3 Ka5-b5 Bd5-b7 a4-a3 Bd4-e3 Kb5-a4 Kc3xc4 Ka4-a5 Kc4-c5 Ka5-a4 Bb7-c8 Ka4-a5 Be3-d2+ Ka5-a4 Bc8-d7+
81/41 2:23:17 110,628,485k 12,867k -M20 Ne2-c3+ Be5xc3 Nd5xc3+ Kb1-b2 Nc3-d5 Bf3xd5 c6xd5 Kb2-c3 Kb5-c5 a2-a3 Kc5-d6 Kc3-d4 Kd6-e6 Rh4-h5 c4-c3 Kd4xc3 Ke6-f6 Kc3-d4 Kf6-e6 Rh5-e5+ Ke6-d6 Re5-e2 Kd6-c6 Re2-e6+ Kc6-c7 Kd4xd5 Kc7-d7 Re6-e5 Kd7-c7 Re5-e7+ Kc7-b6 Re7-h7 Kb6-b5 Rh7-b7+ Kb5-a5 Kd5-c5 Ka5-a6 Kc5-c6 Ka6-a5 Rb7-a7+
81/41 2:23:17 110,628,485k 12,867k -M20 Nd5-c3+ Be5xc3 Ne2xc3+ Kb1-b2 Nc3-d5 Bf3xd5 c6xd5 Kb2-c3 Kb5-c5 a2-a3 Kc5-d6 Kc3-d4 Kd6-e6 Rh4-h5 c4-c3 Kd4xc3 Ke6-f6 Kc3-d4 Kf6-e6 Rh5-e5+ Ke6-d6 Re5-e2 Kd6-c6 Re2-e6+ Kc6-c7 Kd4xd5 Kc7-d7 Re6-e5 Kd7-c7 Re5-e7+ Kc7-b6 Re7-h7 Kb6-b5 Rh7-b7+ Kb5-a5 Kd5-c5 Ka5-a6 Kc5-c6 Ka6-a5 Rb7-a7+
81/41 2:23:17 110,628,485k 12,867k -M20 Ne2-g1 Bf3-h5 Nd5-e3 Rh4-h1 Kb5-c5 Rh1xg1 c4-c3 Be5xc3 Ne3-d5 Bc3-e5 Nd5-b4 Bh5-f3 Nb4-d3 Be5-c3 Nd3-f4 Rg1-g5+ Nf4-d5 Bf3xd5 c6xd5 Kb1-c2 Kc5-c4 Bc3-e5 Kc4-c5 Kc2-d3 d5-d4 Rg5-g6 Kc5-d5 Be5xd4 a4-a3 Kd3-e3 Kd5-c4 Rg6-g5 Kc4-b4 Ke3-d3 Kb4-a4 Rg5-e5 Ka4-b4 Bd4-c3+ Kb4-a4 Re5-a5+
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Uri Blass
Posts: 11125
Joined: Thu Mar 09, 2006 12:37 am
Location: Tel-Aviv Israel

Re: tcec practical hard mate test

Post by Uri Blass »

update so far
update of the mate results so far:

7R/2k1p2P/r2rP3/8/3p1R2/8/2P2p2/2K5 w - - 0 1 bm Rc8 dm 26
r7/4pk2/PP1r4/2R2P2/8/1KP5/8/R7 w - - 0 1 bm Rb5 dm 14
4r1k1/r7/2P1n1P1/1P1B1R2/P2b4/K7/3B4/7R w - - 0 1 bm b6 dm 13
8/6R1/3P4/4Q1p1/2p1P3/3rkP1P/6PK/4q3 w - - 0 1 bm Qc5+ dm 24
r6k/5p1P/1n3Np1/3P2P1/2n1PK2/1R6/p7/2R5 w - - 0 1 bm Ra1 dm 18
8/4n3/2p5/1k6/p1p1B2R/8/PB2n3/1K6 w - - 0 1 bm Be5 dm 22
1r2k3/2qb1p2/p3pBr1/4P1Pp/2P5/3Q4/1P1RBPP1/1K6 w - - 0 1 bm Bxh5 dm 20
8/3b4/kp4r1/3P4/p1P1p2R/4N3/1R5K/8 w - - 0 1 bm Rh7 dm 20
4r3/2P1rk2/4p1p1/2K1Qp1p/3P3P/2P2P2/6P1/8 w - - 0 1 bm d5 dm 23
8/8/2n5/7P/3K4/k1pB4/3b4/1R6 w - - 0 1 bm Kd5 dm 25
2r5/p4k2/6p1/1KP3Pp/1PR4P/4R3/8/6r1 w - - 0 1 bm c6 dm 23
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