Dev Builds » 20180503-2000

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 06:01:25 2002624 2401 1106 57 1238 +162.74 +/- 9.31
ncm-et-4 05:59:57 2000211 2366 1128 69 1169 +167.35 +/- 9.68
ncm-et-5 01:49:20 2024263 716 358 23 335 +176.27 +/- 18.26
ncm-et-6 01:47:09 2026227 713 319 22 372 +154.09 +/- 17.05
ncm-et-7 01:46:44 1967724 683 316 13 354 +165.64 +/- 17.34
ncm-et-8 01:47:14 2022548 716 321 16 379 +158.07 +/- 16.74
ncm-et-9 06:01:26 2001336 2389 1140 69 1180 +167.66 +/- 9.63
ncm-et-10 06:03:06 1984143 2374 1067 85 1222 +152.87 +/- 9.45
ncm-et-11 01:48:50 2017666 721 324 15 382 +159.18 +/- 16.65
ncm-et-12 01:46:30 2004023 719 334 20 365 +162.66 +/- 17.26
ncm-et-13 06:02:10 1991707 2387 1068 70 1249 +154.74 +/- 9.28
ncm-et-14 01:47:54 2020756 712 325 10 377 +165.11 +/- 16.65
ncm-et-15 06:01:21 1992798 2384 1121 78 1185 +162.99 +/- 9.63
ncm-et-16 01:48:11 2015154 719 336 20 363 +163.85 +/- 17.32
20000 9263 567 10170 +161.84 +/- 3.27

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
50940 ncm-et-10 2018-08-23 17:57 00:21:55 1980443 144 58 5 81 +134.17 +/- 36.26
50939 ncm-et-4 2018-08-23 17:55 00:24:12 1989400 159 75 6 78 +161.48 +/- 37.94
50938 ncm-et-15 2018-08-23 17:54 00:25:20 1980911 171 83 3 85 +176.25 +/- 35.74
50937 ncm-et-13 2018-08-23 17:53 00:26:16 1989720 177 72 6 99 +136.11 +/- 32.79
50936 ncm-et-3 2018-08-23 17:52 00:26:50 1989245 172 85 2 85 +182.86 +/- 35.57
50935 ncm-et-9 2018-08-23 17:52 00:27:14 1988769 177 69 7 101 +127.08 +/- 32.44
50934 ncm-et-10 2018-08-23 16:40 01:15:46 1982479 500 222 15 263 +153.02 +/- 20.25
50933 ncm-et-4 2018-08-23 16:37 01:16:47 1988612 500 241 16 243 +168.4 +/- 21.36
50932 ncm-et-15 2018-08-23 16:36 01:16:26 1981381 500 232 16 252 +160.64 +/- 20.86
50931 ncm-et-3 2018-08-23 16:36 01:15:14 1992564 500 222 19 259 +149.68 +/- 20.57
50930 ncm-et-9 2018-08-23 16:36 01:15:04 1990506 500 246 10 244 +178.11 +/- 21.12
50929 ncm-et-13 2018-08-23 16:35 01:16:27 1984536 500 245 16 239 +171.9 +/- 21.58
50928 ncm-et-10 2018-08-23 15:20 01:18:48 1922362 500 222 19 259 +149.68 +/- 20.57
50927 ncm-et-4 2018-08-23 15:19 01:16:45 1987984 500 239 6 255 +175.44 +/- 20.36
50926 ncm-et-15 2018-08-23 15:19 01:16:00 1982792 500 224 21 255 +149.68 +/- 20.83
50925 ncm-et-13 2018-08-23 15:19 01:15:06 1959719 500 220 18 262 +148.85 +/- 20.39
50924 ncm-et-3 2018-08-23 15:18 01:16:35 1990507 500 232 8 260 +167.53 +/- 20.17
50923 ncm-et-9 2018-08-23 15:17 01:18:03 1986721 500 238 15 247 +166.66 +/- 21.11
50922 ncm-et-3 2018-08-23 14:02 01:15:06 1991298 500 224 12 264 +157.24 +/- 20.11
50921 ncm-et-15 2018-08-23 14:02 01:16:06 1980755 500 243 17 240 +169.27 +/- 21.55
50920 ncm-et-10 2018-08-23 14:02 01:17:20 1979517 500 221 20 259 +148.02 +/- 20.6
50919 ncm-et-4 2018-08-23 14:02 01:16:23 1990823 500 244 12 244 +174.55 +/- 21.18
50918 ncm-et-13 2018-08-23 14:02 01:16:08 1965451 500 222 13 265 +154.7 +/- 20.09
50917 ncm-et-9 2018-08-23 14:02 01:13:45 1989400 500 239 11 250 +171.02 +/- 20.82
26562 ncm-et-7 2018-05-05 16:03 00:27:12 2000536 183 87 2 94 +174.76 +/- 33.56
26561 ncm-et-4 2018-05-05 16:00 00:30:21 2022793 207 101 8 98 +168.09 +/- 33.96
26560 ncm-et-6 2018-05-05 15:59 00:31:09 2027538 213 106 4 103 +181.2 +/- 32.6
26559 ncm-et-14 2018-05-05 15:58 00:31:55 2020514 212 100 5 107 +167.58 +/- 31.9
26558 ncm-et-12 2018-05-05 15:58 00:32:14 1989651 219 105 7 107 +167.31 +/- 32.24
26557 ncm-et-9 2018-05-05 15:58 00:32:37 2025408 212 98 12 102 +149.54 +/- 33.48
26556 ncm-et-15 2018-05-05 15:57 00:32:54 2015152 213 98 9 106 +154.63 +/- 32.51
26555 ncm-et-11 2018-05-05 15:57 00:32:59 2016124 221 104 3 114 +171.47 +/- 30.51
26554 ncm-et-8 2018-05-05 15:57 00:32:44 2022303 216 95 8 113 +148.34 +/- 31.15
26553 ncm-et-5 2018-05-05 15:57 00:33:14 2024426 216 103 9 104 +162.0 +/- 32.95
26552 ncm-et-13 2018-05-05 15:57 00:33:24 2025899 210 91 5 114 +151.15 +/- 30.49
26551 ncm-et-16 2018-05-05 15:57 00:33:25 2009146 219 94 4 121 +151.75 +/- 29.33
26550 ncm-et-3 2018-05-05 15:57 00:33:18 2023283 229 115 5 109 +181.86 +/- 31.83
26549 ncm-et-10 2018-05-05 15:56 00:34:51 2020027 230 106 3 121 +167.46 +/- 29.48
26548 ncm-et-4 2018-05-05 14:43 01:15:29 2021659 500 228 21 251 +153.02 +/- 21.04
26547 ncm-et-12 2018-05-05 14:43 01:14:16 2018395 500 229 13 258 +160.64 +/- 20.45
26546 ncm-et-7 2018-05-05 14:42 01:19:32 1934912 500 229 11 260 +162.35 +/- 20.28
26545 ncm-et-6 2018-05-05 14:42 01:16:00 2024917 500 213 18 269 +143.07 +/- 20.03
26544 ncm-et-9 2018-05-05 14:42 01:14:43 2027214 500 250 14 236 +178.11 +/- 21.69
26543 ncm-et-15 2018-05-05 14:42 01:14:35 2015799 500 241 12 247 +171.9 +/- 21.02
26542 ncm-et-8 2018-05-05 14:42 01:14:30 2022793 500 226 8 266 +162.35 +/- 19.86
26541 ncm-et-3 2018-05-05 14:42 01:14:22 2028851 500 228 11 261 +161.49 +/- 20.23
26540 ncm-et-14 2018-05-05 14:41 01:15:59 2020999 500 225 5 270 +164.07 +/- 19.52
26539 ncm-et-16 2018-05-05 14:41 01:14:46 2021163 500 242 16 242 +169.27 +/- 21.41
26538 ncm-et-13 2018-05-05 14:41 01:14:49 2024917 500 218 12 270 +152.18 +/- 19.79
26537 ncm-et-11 2018-05-05 14:40 01:15:51 2019208 500 220 12 268 +153.86 +/- 19.9
26536 ncm-et-10 2018-05-05 14:40 01:14:26 2020032 500 238 23 239 +159.78 +/- 21.74
26535 ncm-et-5 2018-05-05 14:40 01:16:06 2024101 500 255 14 231 +182.61 +/- 21.98

Commit

Commit ID d4cb80b2106efb58db87495090a3898d902075d6
Author Stéphane Nicolet
Date 2018-05-03 20:00:07 UTC
Tweak the connected[] array value for pawns on rank 5 A recent tuning session by Jerry Donald Watson suggested that the value for the pawns on the fifth rank in the connected[] array were a little bit too high in master. We lower here this value from 75 to 65. STC: LLR: 2.95 (-2.94,2.94) [0.00,4.00] Total: 27399 W: 5646 L: 5384 D: 16369 http://tests.stockfishchess.org/tests/view/5aea17c50ebc5902a1bed396 LTC: LLR: 3.66 (-2.94,2.94) [0.00,4.00] Total: 95590 W: 14529 L: 14062 D: 66999 http://tests.stockfishchess.org/tests/view/5aea34a40ebc5902a104ebe5 Closes https://github.com/official-stockfish/Stockfish/pull/1580 Bench: 5186783
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