Dev Builds » 20130323-2028

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 06:03:46 1984040 2489 60 1653 776 -263.43 +/- 12.21
ncm-et-4 06:03:27 1965822 2503 57 1666 780 -265.09 +/- 12.18
ncm-et-5 01:59:11 2023122 835 20 557 258 -265.26 +/- 21.23
ncm-et-6 01:59:11 2025326 840 25 534 281 -244.07 +/- 20.33
ncm-et-7 01:59:21 2025900 829 18 532 279 -251.91 +/- 20.34
ncm-et-9 06:03:46 1984841 2497 45 1633 819 -261.05 +/- 11.85
ncm-et-10 06:03:45 1979762 2481 56 1605 820 -254.36 +/- 11.86
ncm-et-11 01:58:58 2025653 824 16 545 263 -264.59 +/- 20.97
ncm-et-12 01:59:19 2019859 834 20 553 261 -262.88 +/- 21.1
ncm-et-13 06:03:56 1987925 2525 65 1661 799 -258.79 +/- 12.04
ncm-et-15 06:03:55 1985474 2511 57 1618 836 -252.83 +/- 11.74
ncm-et-16 01:59:26 2021488 832 18 565 249 -273.89 +/- 21.61
20000 457 13122 6421 -259.47 +/- 4.24

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
109577 ncm-et-3 2019-12-29 18:46 00:22:58 1961995 154 1 109 44 -302.22 +/- 51.87
109576 ncm-et-9 2019-12-29 18:45 00:23:06 1969551 153 6 106 41 -271.54 +/- 54.04
109575 ncm-et-10 2019-12-29 18:45 00:23:56 1958784 160 7 106 47 -251.19 +/- 50.35
109574 ncm-et-15 2019-12-29 18:44 00:24:37 1968485 162 5 102 55 -240.15 +/- 46.4
109573 ncm-et-13 2019-12-29 18:42 00:26:30 1965380 178 2 116 60 -263.68 +/- 44.02
109572 ncm-et-4 2019-12-29 18:41 00:27:14 1969091 193 4 137 52 -294.03 +/- 47.93
109571 ncm-et-3 2019-12-29 17:32 01:12:45 1965996 500 11 320 169 -250.77 +/- 26.18
109570 ncm-et-9 2019-12-29 17:31 01:13:36 1961228 500 8 322 170 -256.44 +/- 26.02
109569 ncm-et-10 2019-12-29 17:29 01:14:02 1968167 500 12 326 162 -256.44 +/- 26.8
109568 ncm-et-15 2019-12-29 17:29 01:14:05 1967409 500 9 326 165 -259.91 +/- 26.48
109567 ncm-et-13 2019-12-29 17:28 01:12:49 1972977 500 14 326 160 -254.16 +/- 27.0
109566 ncm-et-4 2019-12-29 17:27 01:12:57 1966305 500 11 330 159 -262.24 +/- 27.05
109565 ncm-et-10 2019-12-29 16:16 01:12:06 1968623 500 8 333 159 -269.37 +/- 26.99
109564 ncm-et-9 2019-12-29 16:16 01:13:41 1968779 500 8 329 163 -264.6 +/- 26.63
109563 ncm-et-3 2019-12-29 16:16 01:15:00 1963839 500 13 338 149 -269.37 +/- 28.02
109562 ncm-et-15 2019-12-29 16:14 01:13:31 1968932 500 13 315 172 -243.0 +/- 25.97
109561 ncm-et-4 2019-12-29 16:14 01:11:42 1973583 500 10 326 164 -258.75 +/- 26.59
109560 ncm-et-13 2019-12-29 16:13 01:13:41 1972030 500 16 324 160 -249.64 +/- 27.02
109559 ncm-et-3 2019-12-29 15:01 01:13:36 1960616 500 14 334 152 -263.42 +/- 27.74
109558 ncm-et-10 2019-12-29 15:01 01:14:21 1941163 500 12 328 160 -258.75 +/- 26.98
109557 ncm-et-4 2019-12-29 15:01 01:12:11 1970639 500 10 319 171 -250.77 +/- 25.99
109556 ncm-et-13 2019-12-29 15:01 01:11:33 1965694 500 14 327 159 -255.3 +/- 27.09
109555 ncm-et-15 2019-12-29 15:01 01:12:28 1969104 500 11 339 150 -273.0 +/- 27.9
109554 ncm-et-9 2019-12-29 15:01 01:14:04 1962918 500 10 337 153 -271.78 +/- 27.59
38376 ncm-et-4 2018-06-03 01:06 00:46:10 1941673 310 15 209 86 -255.19 +/- 36.87
38375 ncm-et-10 2018-06-03 01:06 00:46:30 2021488 321 4 215 102 -273.81 +/- 33.71
38374 ncm-et-3 2018-06-03 01:05 00:47:23 2025408 335 12 211 112 -237.6 +/- 32.35
38373 ncm-et-11 2018-06-03 01:05 00:47:04 2026063 324 7 215 102 -264.58 +/- 33.87
38372 ncm-et-7 2018-06-03 01:04 00:48:00 2024590 329 6 214 109 -258.88 +/- 32.65
38371 ncm-et-5 2018-06-03 01:04 00:48:09 2021653 335 6 224 105 -269.82 +/- 33.33
38370 ncm-et-15 2018-06-03 01:04 00:48:04 2016609 349 5 225 119 -257.81 +/- 31.12
38369 ncm-et-9 2018-06-03 01:04 00:48:28 2021488 344 9 208 127 -229.37 +/- 30.18
38368 ncm-et-16 2018-06-03 01:04 00:48:34 2021977 332 4 229 99 -286.59 +/- 34.3
38367 ncm-et-12 2018-06-03 01:03 00:48:44 2020999 334 8 222 104 -263.84 +/- 33.57
38366 ncm-et-13 2018-06-03 01:03 00:49:08 2024753 347 9 228 110 -258.24 +/- 32.63
38365 ncm-et-6 2018-06-03 01:03 00:49:14 2025408 340 7 219 114 -253.89 +/- 31.93
38364 ncm-et-5 2018-06-02 23:52 01:11:02 2024591 500 14 333 153 -262.24 +/- 27.64
38363 ncm-et-6 2018-06-02 23:52 01:09:57 2025244 500 18 315 167 -237.58 +/- 26.44
38362 ncm-et-10 2018-06-02 23:52 01:12:50 2020347 500 13 297 190 -223.94 +/- 24.6
38361 ncm-et-9 2018-06-02 23:52 01:10:51 2025083 500 4 331 165 -271.78 +/- 26.31
38360 ncm-et-11 2018-06-02 23:52 01:11:54 2025244 500 9 330 161 -264.6 +/- 26.83
38359 ncm-et-15 2018-06-02 23:52 01:11:10 2022305 500 14 311 175 -237.58 +/- 25.75
38358 ncm-et-12 2018-06-02 23:52 01:10:35 2018720 500 12 331 157 -262.24 +/- 27.25
38357 ncm-et-13 2018-06-02 23:52 01:10:15 2026720 500 10 340 150 -275.45 +/- 27.88
38356 ncm-et-16 2018-06-02 23:52 01:10:52 2020999 500 14 336 150 -265.78 +/- 27.93
38355 ncm-et-7 2018-06-02 23:52 01:11:21 2027210 500 12 318 170 -247.41 +/- 26.12
38354 ncm-et-4 2018-06-02 23:52 01:13:13 1973643 500 7 345 148 -285.49 +/- 28.02
38353 ncm-et-3 2018-06-02 23:52 01:12:04 2026390 500 9 341 150 -277.93 +/- 27.86

Commit

Commit ID 09f1fdf52fe67b500f1a0159da9e53e9e3456679
Author Joona Kiiski
Date 2013-03-23 20:28:51 UTC
Fix bogus mate scores in some positions Always before pruning the move, it's important to check that: bestValue > VALUE_MATED_IN_MAX_PLY See example position: 8/2p1p3/P1NpP3/3k4/1P1BN3/2P1P3/2Q5/6K1 w - - 0 1 http://support.stockfishchess.org/discussions/problems/268-wrong-declaring-a-forced-mate-in-3-moves This problem was present in 2.3.1, then it was fixed by my patch. After 24000 games at 15+0.05 ELO: 2.40 +-4.4 (95%) LOS: 95.7% Total: 24000 W: 4774 L: 4608 D: 14618 bench: 4465997
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