Dev Builds » 20130318-1940

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 06:03:42 1983447 2494 58 1643 793 -260.8 ± 12.07
ncm-et-4 06:03:25 1980670 2507 47 1681 779 -270.44 ± 12.17
ncm-et-5 01:59:56 2023691 827 12 551 264 -270.42 ± 20.89
ncm-et-6 02:00:01 2025326 848 16 552 280 -258.79 ± 20.3
ncm-et-7 02:00:07 1973390 820 21 544 255 -262.13 ± 21.36
ncm-et-9 06:03:34 1988723 2493 59 1637 797 -259.31 ± 12.04
ncm-et-10 06:03:26 1981701 2487 58 1653 776 -264.2 ± 12.21
ncm-et-11 02:00:08 2027128 845 16 573 256 -274.94 ± 21.29
ncm-et-12 02:00:00 2019208 830 11 559 260 -275.6 ± 21.05
ncm-et-13 06:03:37 1989316 2503 62 1684 757 -268.18 ± 12.38
ncm-et-15 06:03:17 1986893 2497 54 1634 809 -259.19 ± 11.94
ncm-et-16 02:00:09 2013278 849 17 560 272 -263.17 ± 20.63
20000 431 13271 6298 -264.6 ± 4.28

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
109673 ncm-et-10 2019-12-30 11:19 00:23:03 1962309 153 2 118 33 -344.62 ± 60.92
109672 ncm-et-9 2019-12-30 11:18 00:23:55 1969118 155 1 95 59 -244.35 ± 43.88
109671 ncm-et-3 2019-12-30 11:18 00:24:32 1960461 173 5 109 59 -241.45 ± 44.73
109670 ncm-et-15 2019-12-30 11:18 00:24:40 1975758 170 1 116 53 -285.79 ± 46.91
109669 ncm-et-4 2019-12-30 11:18 00:24:41 1965075 170 10 108 52 -228.32 ± 47.64
109668 ncm-et-13 2019-12-30 11:17 00:25:36 1972499 179 4 119 56 -264.87 ± 46.0
109667 ncm-et-3 2019-12-30 10:05 01:12:02 1963070 500 9 325 166 -258.75 ± 26.39
109666 ncm-et-15 2019-12-30 10:05 01:12:04 1970663 500 11 321 168 -251.89 ± 26.27
109665 ncm-et-4 2019-12-30 10:04 01:12:21 1969257 500 5 339 156 -280.42 ± 27.17
109664 ncm-et-9 2019-12-30 10:04 01:13:20 1965862 500 8 323 169 -257.59 ± 26.11
109663 ncm-et-10 2019-12-30 10:04 01:14:29 1967702 500 6 336 158 -275.45 ± 27.02
109662 ncm-et-13 2019-12-30 10:03 01:13:07 1971721 500 17 329 154 -254.16 ± 27.56
109661 ncm-et-3 2019-12-30 08:51 01:12:38 1962763 500 11 322 167 -253.02 ± 26.35
109660 ncm-et-4 2019-12-30 08:51 01:12:09 1980844 500 11 323 166 -254.16 ± 26.44
109659 ncm-et-13 2019-12-30 08:51 01:10:53 1975293 500 8 340 152 -277.93 ± 27.65
109658 ncm-et-15 2019-12-30 08:50 01:13:15 1966460 500 15 317 168 -243.0 ± 26.33
109657 ncm-et-10 2019-12-30 08:50 01:12:39 1962158 500 14 328 158 -256.44 ± 27.18
109656 ncm-et-9 2019-12-30 08:49 01:14:06 1974669 500 7 342 151 -281.68 ± 27.72
109655 ncm-et-10 2019-12-30 07:36 01:13:18 1958482 500 13 322 165 -250.77 ± 26.56
109654 ncm-et-13 2019-12-30 07:36 01:13:57 1968011 500 14 336 150 -265.78 ± 27.93
109653 ncm-et-4 2019-12-30 07:36 01:14:19 1927397 500 10 345 145 -281.68 ± 28.38
109652 ncm-et-15 2019-12-30 07:35 01:13:45 1966479 500 15 349 136 -280.42 ± 29.35
109651 ncm-et-3 2019-12-30 07:35 01:14:27 1965536 500 13 336 151 -266.97 ± 27.82
109650 ncm-et-9 2019-12-30 07:35 01:12:28 1972690 500 18 320 162 -243.0 ± 26.86
38472 ncm-et-7 2018-06-03 09:14 00:46:12 1964578 320 8 208 104 -254.73 ± 33.54
38471 ncm-et-15 2018-06-03 09:13 00:46:04 2020022 327 7 209 111 -250.62 ± 32.36
38470 ncm-et-13 2018-06-03 09:13 00:46:57 2021491 324 3 213 108 -268.25 ± 32.61
38469 ncm-et-12 2018-06-03 09:13 00:47:04 2019697 330 5 227 98 -283.41 ± 34.54
38468 ncm-et-3 2018-06-03 09:12 00:47:32 2025245 321 4 212 105 -268.15 ± 33.18
38467 ncm-et-11 2018-06-03 09:12 00:48:07 2025899 345 10 232 103 -265.47 ± 33.78
38466 ncm-et-4 2018-06-03 09:11 00:48:05 2015385 337 7 223 107 -263.98 ± 33.04
38465 ncm-et-10 2018-06-03 09:11 00:48:15 2019534 334 9 227 98 -270.99 ± 34.65
38464 ncm-et-5 2018-06-03 09:11 00:48:12 2022793 327 4 221 102 -277.68 ± 33.73
38463 ncm-et-9 2018-06-03 09:11 00:48:14 2024427 338 10 228 100 -266.36 ± 34.29
38462 ncm-et-16 2018-06-03 09:11 00:48:57 2016124 349 9 217 123 -238.65 ± 30.73
38461 ncm-et-6 2018-06-03 09:11 00:49:09 2025899 348 2 227 119 -267.3 ± 30.91
38460 ncm-et-15 2018-06-03 07:59 01:13:29 2021977 500 5 322 173 -259.91 ± 25.67
38459 ncm-et-10 2018-06-03 07:59 01:11:42 2020022 500 14 322 164 -249.64 ± 26.66
38458 ncm-et-13 2018-06-03 07:59 01:13:07 2026885 500 16 347 137 -276.69 ± 29.24
38457 ncm-et-6 2018-06-03 07:59 01:10:52 2024754 500 14 325 161 -253.02 ± 26.92
38456 ncm-et-9 2018-06-03 07:59 01:11:31 2025572 500 15 329 156 -256.44 ± 27.37
38455 ncm-et-4 2018-06-03 07:59 01:11:50 2026064 500 4 343 153 -286.77 ± 27.42
38454 ncm-et-3 2018-06-03 07:59 01:12:31 2023610 500 16 339 145 -266.97 ± 28.42
38453 ncm-et-5 2018-06-03 07:59 01:11:44 2024590 500 8 330 162 -265.78 ± 26.71
38452 ncm-et-7 2018-06-03 07:59 01:13:55 1982203 500 13 336 151 -266.97 ± 27.82
38451 ncm-et-12 2018-06-03 07:59 01:12:56 2018720 500 6 332 162 -270.57 ± 26.65
38450 ncm-et-11 2018-06-03 07:59 01:12:01 2028358 500 6 341 153 -281.68 ± 27.49
38449 ncm-et-16 2018-06-03 07:59 01:11:12 2010433 500 8 343 149 -281.68 ± 27.94

Commit

Commit ID 52f3e717fa93c8774f37c249b05aa857993ee8a2
Author Gary Linscott
Date 2013-03-18 19:40:06 UTC
Add KNPKB endgame In a game vs Junior, SF had the option to trade into a winning pawn endgame, and failed to do so. PGN at bottom. This FEN was one key position: 8/2Nb1k2/6pp/4Pp2/5K1P/5PP1/8/8 w - - 5 62. SF master chooses h5 here, with a fail high, which goes into the drawn KNPKB ending. With the patch, SF correctly chooses Ke3, which maintains chances to win. [Event "nTCEC - Stage 2a - Season 1"] [Site "http://www.tcec-chess.net"] [Date "2013.03.05"] [Round "11.3"] [White "Stockfish 210213"] [Black "Junior 13.3"] [Result "1/2-1/2"] [Variant "normal"] 1. d4 f5 2. g3 Nf6 3. Bg2 e6 4. c4 d5 5. Nh3 c6 6. O-O Bd6 7. Bf4 Be7 8. Nd2 O-O 9. Qb3 a5 10. Rfd1 Ne4 11. Be3 Nd7 12. Nf4 Ndf6 13. f3 a4 14. Qc2 Nxd2 15. Bxd2 dxc4 16. Qxc4 b5 17. Qc3 Qb6 18. Rac1 e5 19. Nd3 exd4 20. Qxc6 Qxc6 21. Rxc6 Bd7 22. Rcc1 Be6 23. Bb4 Rae8 24. Bxe7 Rxe7 25. Nb4 Bc4 26. Bf1 Rd7 27. Rd2 Re8 28. Rcd1 Rc7 29. Ra1 Rd8 30. Rc1 Rdd7 31. Rcd1 Re7 32. Ra1 Nd5 33. Nc2 Ne3 34. Nxd4 Bxa2 35. Nxb5 Rc5 36. Nd4 Bf7 37. Kf2 g6 38. Rd3 Nxf1 39. Kxf1 Rc4 40. b3 axb3 41. Nxb3 Kf8 42. Rd8+ Re8 43. Rxe8+ Bxe8 44. Kf2 Ke7 45. Ra7+ Bd7 46. Ke1 Rc3 47. Rb7 Rc2 48. Kd1 Rc4 49. Kd2 Kd6 50. Kd3 Rc7 51. Rxc7 Kxc7 52. Kd4 Kd6 53. Nc5 Bb5 54. e4 Be2 55. e5+ Ke7 56. Ke3 Bd1 57. Kf4 h6 58. h3 Kf7 59. h4 Bc2 60. Na6 Ba4 61. Nc7 Bd7 62. h5 g5+ 63. Ke3 Ba4 64. f4 Bd1 65. fxg5 hxg5 66. h6 Kg6 67. e6 f4+ 68. gxf4 gxf4+ 69. Kxf4 Bh5 70. Ke5 Kh7 71. Kf6 Kxh6 72. Na6 Bg4 73. e7 Bh5 74. Nc7 Bg6 75. Nd5 Be8 76. Ne3 Kh7 77. Nc4 Kh6 78. Nd2 Kh5 79. Nf3 Kg4 80. Nd4 Bh5 81. Ne6 Be8 82. Nc5 Kf3 83. Kf5 Ke3 84. Ke5 Ke2 85. Kf4 Kd2 86. Ne4+ Kd3 87. Ke5 Ke3 88. Nf6 Bf7 89. Nd5+ Kf3 90. Kf5 Ke2 91. Ke4 Be8 92. Nc3+ Kd2 93. Kd4 Kc2 94. Nd5 Kd1 95. Nf6 Bf7 96. Ne4 Be8 97. Ke3 Kc2 98. Nd6 Bd7 99. Kd4 Kd1 100. Kd3 Ba4 101. Nc4 Bb5 102. Kc3 Be8 103. Nb2+ Ke1 104. Kd3 Kf2 105. Nd1+ 1/2-1/2 No functional change (just because bench does not change)
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