Dev Builds » 20180225-1212

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 06:52:28 2005051 2684 1170 119 1395 +143.72 +/- 8.88
ncm-et-4 06:52:23 2001192 2649 1208 94 1347 +155.77 +/- 9.02
ncm-et-5 02:31:37 2004578 962 390 24 548 +139.18 +/- 13.73
ncm-et-6 02:31:30 2026063 988 462 32 494 +162.02 +/- 14.91
ncm-et-7 02:31:00 2025792 986 447 28 511 +157.64 +/- 14.54
ncm-et-8 02:31:04 2021056 1001 459 42 500 +154.11 +/- 14.91
ncm-et-9 06:52:25 2003965 2667 1233 124 1310 +153.79 +/- 9.24
ncm-et-10 06:51:54 1982753 2615 1180 99 1336 +152.76 +/- 9.06
ncm-et-11 02:31:41 2009899 980 442 31 507 +155.29 +/- 14.63
ncm-et-12 02:31:35 2008944 982 447 40 495 +153.21 +/- 14.95
ncm-et-13 04:45:19 1974539 1812 808 58 946 +152.98 +/- 10.69
ncm-et-15 04:20:27 1983264 1674 762 57 855 +156.03 +/- 11.3
20000 9008 748 10244 +152.6 +/- 3.27

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
53436 ncm-et-10 2018-09-12 10:10 00:22:47 1951305 144 65 8 71 +145.47 +/- 40.08
53435 ncm-et-13 2018-09-12 10:10 00:23:04 1973417 151 71 7 73 +157.17 +/- 39.47
53434 ncm-et-4 2018-09-12 10:07 00:26:34 1988456 166 72 10 84 +136.36 +/- 36.76
53433 ncm-et-15 2018-09-12 10:06 00:27:04 1984205 174 81 7 86 +157.78 +/- 36.12
53432 ncm-et-9 2018-09-12 10:05 00:27:45 1989400 179 87 9 83 +162.24 +/- 37.2
53431 ncm-et-3 2018-09-12 10:04 00:28:38 1989718 186 83 8 95 +148.53 +/- 34.24
53430 ncm-et-13 2018-09-12 08:50 01:18:49 1943854 500 227 24 249 +149.68 +/- 21.21
53429 ncm-et-10 2018-09-12 08:49 01:19:56 1943150 500 221 20 259 +148.02 +/- 20.6
53428 ncm-et-4 2018-09-12 08:47 01:18:19 1989085 500 232 16 252 +160.64 +/- 20.86
53427 ncm-et-15 2018-09-12 08:46 01:18:10 1983890 500 223 11 266 +157.24 +/- 19.97
53426 ncm-et-3 2018-09-12 08:46 01:17:00 1989400 500 207 22 271 +134.95 +/- 20.03
53425 ncm-et-9 2018-09-12 08:46 01:18:04 1988612 500 217 19 264 +145.54 +/- 20.31
53424 ncm-et-10 2018-09-12 07:30 01:17:44 1983105 500 205 22 273 +133.34 +/- 19.92
53423 ncm-et-4 2018-09-12 07:29 01:17:10 1992247 500 225 24 251 +148.02 +/- 21.11
53422 ncm-et-13 2018-09-12 07:28 01:20:38 1940110 500 229 9 262 +164.07 +/- 20.1
53421 ncm-et-9 2018-09-12 07:28 01:17:08 1987508 500 213 26 261 +136.56 +/- 20.62
53420 ncm-et-15 2018-09-12 07:27 01:18:23 1981700 500 224 19 257 +151.35 +/- 20.68
53419 ncm-et-3 2018-09-12 07:26 01:18:49 1990348 500 218 28 254 +138.99 +/- 21.02
53418 ncm-et-13 2018-09-12 06:09 01:17:58 1988928 500 213 14 273 +146.36 +/- 19.7
53417 ncm-et-10 2018-09-12 06:09 01:20:09 1942459 500 222 19 259 +149.68 +/- 20.57
53416 ncm-et-9 2018-09-12 06:09 01:17:46 1988138 500 233 25 242 +153.86 +/- 21.61
53415 ncm-et-4 2018-09-12 06:09 01:18:49 1988138 500 238 12 250 +169.27 +/- 20.85
53414 ncm-et-15 2018-09-12 06:09 01:16:50 1983262 500 234 20 246 +158.93 +/- 21.29
53413 ncm-et-3 2018-09-12 06:09 01:16:21 1990982 500 231 20 249 +156.39 +/- 21.13
3170 ncm-et-7 2018-02-26 08:15 00:24:24 2022793 161 77 3 81 +172.62 +/- 36.58
3169 ncm-et-10 2018-02-26 08:15 00:24:33 2019208 160 90 6 64 +202.63 +/- 42.72
3168 ncm-et-8 2018-02-26 08:15 00:24:31 2017910 162 74 5 83 +158.05 +/- 36.37
3167 ncm-et-11 2018-02-26 08:15 00:24:46 1991278 156 79 6 71 +176.3 +/- 40.15
3166 ncm-et-12 2018-02-26 08:15 00:24:36 2020184 153 78 7 68 +174.57 +/- 41.24
3165 ncm-et-5 2018-02-26 08:15 00:24:46 2020999 156 55 2 99 +122.92 +/- 30.92
3164 ncm-et-3 2018-02-26 08:15 00:24:44 2024917 154 62 8 84 +127.23 +/- 36.21
3163 ncm-et-13 2018-02-26 08:15 00:24:50 2026390 161 68 4 89 +146.16 +/- 34.44
3162 ncm-et-9 2018-02-26 08:15 00:24:46 2023283 163 72 8 83 +144.16 +/- 36.79
3161 ncm-et-4 2018-02-26 08:15 00:24:42 2022956 158 69 3 86 +154.58 +/- 34.98
3160 ncm-et-6 2018-02-26 08:15 00:24:41 2024590 157 88 7 62 +198.31 +/- 43.52
3025 ncm-et-5 2018-02-25 17:40 00:48:30 2025244 306 129 10 167 +142.62 +/- 25.31
3024 ncm-et-10 2018-02-25 17:39 00:49:03 2021325 311 143 13 155 +154.7 +/- 26.83
3023 ncm-et-9 2018-02-25 17:39 00:49:16 2026555 325 162 15 148 +169.41 +/- 27.79
3022 ncm-et-4 2018-02-25 17:39 00:49:17 2024263 325 151 5 169 +168.07 +/- 25.03
3021 ncm-et-11 2018-02-25 17:38 00:49:57 2017583 324 146 8 170 +158.05 +/- 25.12
3020 ncm-et-7 2018-02-25 17:38 00:49:52 2026554 325 141 8 176 +151.03 +/- 24.54
3019 ncm-et-6 2018-02-25 17:37 00:50:39 2026063 331 146 13 172 +147.94 +/- 25.27
3018 ncm-et-12 2018-02-25 17:37 00:51:18 1986625 329 145 16 168 +143.93 +/- 25.77
3017 ncm-et-8 2018-02-25 17:37 00:51:13 2022467 339 148 13 178 +146.46 +/- 24.78
3016 ncm-et-3 2018-02-25 17:36 00:51:36 2025244 344 136 12 196 +131.13 +/- 23.17
3015 ncm-et-8 2018-02-25 16:20 01:15:20 2022793 500 237 24 239 +158.08 +/- 21.75
3014 ncm-et-4 2018-02-25 16:20 01:17:32 2003203 500 221 24 255 +144.72 +/- 20.89
3013 ncm-et-5 2018-02-25 16:20 01:18:21 1967493 500 206 12 282 +142.26 +/- 19.18
3012 ncm-et-7 2018-02-25 16:20 01:16:44 2028030 500 229 17 254 +157.24 +/- 20.78
3011 ncm-et-6 2018-02-25 16:20 01:16:10 2027538 500 228 12 260 +160.64 +/- 20.32
3010 ncm-et-3 2018-02-25 16:20 01:15:20 2024754 500 233 21 246 +157.24 +/- 21.31
3009 ncm-et-11 2018-02-25 16:20 01:16:58 2020836 500 217 17 266 +147.19 +/- 20.15
3008 ncm-et-9 2018-02-25 16:20 01:17:40 2024263 500 249 22 229 +170.15 +/- 22.28
3007 ncm-et-10 2018-02-25 16:20 01:17:42 2018720 500 234 11 255 +166.66 +/- 20.55
3006 ncm-et-12 2018-02-25 16:20 01:15:41 2020024 500 224 17 259 +153.02 +/- 20.52

Commit

Commit ID 2e21aba8d937bdf5eb0eedeac99ac2c2553e9d0d
Author Stéphane Nicolet
Date 2018-02-25 12:12:23 UTC
Count passed pawns in asymmetry measure The previous asymmetry measure of the pawn structure only used to consider the number of pawns on semi-opened files in the postions. With this patch we also increase the measure by the number of passed pawns for both players. STC: LLR: 2.96 (-2.94,2.94) [0.00,5.00] Total: 13146 W: 3038 L: 2840 D: 7268 http://tests.stockfishchess.org/tests/view/5a91dd0c0ebc590297cc877e LTC: LLR: 2.96 (-2.94,2.94) [0.00,5.00] Total: 27776 W: 4771 L: 4536 D: 18469 http://tests.stockfishchess.org/tests/view/5a91fdd50ebc590297cc879b How to continue from there: Stockfish will now evaluate more positions with passed pawns, so tuning the passed pawns values may bring Elo. The patch also has consequences on the initiative term. Bench: 5302866
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