Dev Builds » 20180611-0803

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 07:00:15 2005778 2708 1345 80 1283 +175.94 +/- 9.29
ncm-et-4 07:01:13 1983533 2686 1378 77 1231 +183.68 +/- 9.52
ncm-et-6 02:39:44 2023447 1037 540 37 460 +183.99 +/- 15.69
ncm-et-7 02:39:31 2025081 1034 530 26 478 +185.07 +/- 15.23
ncm-et-9 07:01:04 1994487 2702 1304 113 1285 +164.41 +/- 9.35
ncm-et-10 07:01:03 1983333 2680 1350 83 1247 +178.45 +/- 9.45
ncm-et-11 01:50:32 2025326 719 343 29 347 +162.66 +/- 17.96
ncm-et-12 02:39:29 2020027 1030 506 29 495 +174.16 +/- 14.93
ncm-et-13 07:01:05 2003825 2724 1392 74 1258 +183.44 +/- 9.4
ncm-et-15 07:01:09 1988440 2680 1334 100 1246 +172.98 +/- 9.49
20000 10022 648 9330 +176.64 +/- 3.46

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
49956 ncm-et-15 2018-08-16 03:46 00:23:30 1982793 152 77 5 70 +178.86 +/- 40.27
49955 ncm-et-10 2018-08-16 03:46 00:23:58 1981539 151 69 7 75 +151.6 +/- 38.8
49954 ncm-et-4 2018-08-16 03:45 00:24:19 1990033 156 84 2 70 +202.94 +/- 39.82
49953 ncm-et-9 2018-08-16 03:43 00:27:09 1990664 175 85 3 87 +176.58 +/- 35.31
49952 ncm-et-3 2018-08-16 03:42 00:27:22 1989716 176 81 7 88 +155.74 +/- 35.64
49951 ncm-et-13 2018-08-16 03:40 00:29:51 1989401 189 91 7 91 +165.99 +/- 35.16
49950 ncm-et-15 2018-08-16 02:26 01:18:37 1984048 500 248 15 237 +175.44 +/- 21.67
49949 ncm-et-4 2018-08-16 02:26 01:17:54 1987665 500 247 12 241 +177.22 +/- 21.35
49948 ncm-et-10 2018-08-16 02:26 01:18:22 1958056 500 244 8 248 +178.11 +/- 20.82
49947 ncm-et-9 2018-08-16 02:23 01:18:01 1988296 500 246 18 236 +171.02 +/- 21.8
49946 ncm-et-3 2018-08-16 02:23 01:17:50 1988456 500 229 8 263 +164.93 +/- 20.01
49945 ncm-et-13 2018-08-16 02:23 01:15:53 1989400 500 256 14 230 +183.51 +/- 22.04
49944 ncm-et-4 2018-08-16 01:08 01:17:20 1989719 500 289 15 196 +213.85 +/- 24.22
49943 ncm-et-15 2018-08-16 01:06 01:19:44 1913603 500 249 22 229 +170.15 +/- 22.28
49942 ncm-et-9 2018-08-16 01:04 01:18:11 1989244 500 240 27 233 +158.08 +/- 22.14
49941 ncm-et-3 2018-08-16 01:04 01:17:49 1990824 500 240 13 247 +170.15 +/- 21.05
49940 ncm-et-13 2018-08-16 01:04 01:17:41 1987350 500 250 13 237 +179.0 +/- 21.61
49939 ncm-et-10 2018-08-16 01:04 01:21:26 1900718 500 230 19 251 +156.39 +/- 21.0
49938 ncm-et-9 2018-08-15 23:45 01:18:02 1990349 500 243 17 240 +169.27 +/- 21.55
49937 ncm-et-13 2018-08-15 23:45 01:17:47 1987508 500 248 8 244 +181.7 +/- 21.04
49936 ncm-et-4 2018-08-15 23:45 01:21:51 1910109 500 250 10 240 +181.7 +/- 21.34
49935 ncm-et-15 2018-08-15 23:45 01:19:30 1978412 500 245 18 237 +170.15 +/- 21.74
49934 ncm-et-10 2018-08-15 23:45 01:17:37 1982791 500 276 19 205 +197.4 +/- 23.69
49933 ncm-et-3 2018-08-15 23:45 01:18:01 1991299 500 265 19 216 +187.16 +/- 23.0
40477 ncm-et-9 2018-06-11 19:23 00:04:18 2024758 27 13 1 13 +165.99 +/- 96.34
40476 ncm-et-15 2018-06-11 19:23 00:04:30 2019370 28 17 1 10 +225.71 +/- 115.4
40475 ncm-et-10 2018-06-11 19:23 00:05:00 2020673 29 24 1 4 +375.14 +/- 234.81
40474 ncm-et-12 2018-06-11 19:22 00:04:56 2019711 30 15 1 14 +175.73 +/- 92.83
40473 ncm-et-4 2018-06-11 19:22 00:05:13 2024754 30 15 0 15 +190.83 +/- 85.87
40472 ncm-et-13 2018-06-11 19:22 00:05:18 2024917 35 14 3 18 +113.02 +/- 81.34
40471 ncm-et-3 2018-06-11 19:22 00:05:25 2027375 32 14 1 17 +149.78 +/- 81.65
40470 ncm-et-7 2018-06-11 19:22 00:05:33 2026227 34 11 0 23 +116.58 +/- 61.87
40469 ncm-et-6 2018-06-11 19:22 00:05:53 2021488 37 16 2 19 +138.34 +/- 78.42
40468 ncm-et-9 2018-06-11 18:05 01:17:08 1980047 500 243 28 229 +159.78 +/- 22.37
40467 ncm-et-15 2018-06-11 18:04 01:17:38 2019859 500 245 19 236 +169.27 +/- 21.82
40466 ncm-et-3 2018-06-11 18:04 01:16:50 2026390 500 262 19 219 +184.42 +/- 22.81
40465 ncm-et-13 2018-06-11 18:04 01:17:26 2024427 500 267 12 221 +195.51 +/- 22.52
40464 ncm-et-10 2018-06-11 18:04 01:17:45 2018883 500 271 10 219 +201.19 +/- 22.58
40463 ncm-et-11 2018-06-11 18:04 00:34:07 2024590 219 106 7 106 +169.3 +/- 32.44
40462 ncm-et-6 2018-06-11 18:04 01:16:55 2023446 500 246 20 234 +169.27 +/- 21.96
40461 ncm-et-4 2018-06-11 18:03 01:17:52 1986559 500 248 18 234 +172.78 +/- 21.91
40460 ncm-et-12 2018-06-11 18:03 01:18:04 2021001 500 254 21 225 +175.44 +/- 22.49
40459 ncm-et-7 2018-06-11 18:03 01:18:23 2024428 500 257 14 229 +184.42 +/- 22.1
40458 ncm-et-11 2018-06-11 16:46 01:16:25 2026063 500 237 22 241 +159.78 +/- 21.61
40457 ncm-et-3 2018-06-11 16:46 01:16:58 2026390 500 254 13 233 +182.61 +/- 21.84
40456 ncm-et-7 2018-06-11 16:46 01:15:35 2024590 500 262 12 226 +190.85 +/- 22.22
40455 ncm-et-10 2018-06-11 16:46 01:16:55 2020673 500 236 19 245 +161.49 +/- 21.32
40454 ncm-et-12 2018-06-11 16:46 01:16:29 2019370 500 237 7 256 +172.78 +/- 20.35
40453 ncm-et-9 2018-06-11 16:46 01:18:15 1998056 500 234 19 247 +159.78 +/- 21.21
40452 ncm-et-6 2018-06-11 16:46 01:16:56 2025408 500 278 15 207 +203.11 +/- 23.48
40451 ncm-et-15 2018-06-11 16:46 01:17:40 2020999 500 253 20 227 +175.44 +/- 22.36
40450 ncm-et-13 2018-06-11 16:46 01:17:09 2023773 500 266 17 217 +189.92 +/- 22.89
40449 ncm-et-4 2018-06-11 16:46 01:16:44 1995895 500 245 20 235 +168.4 +/- 21.9

Commit

Commit ID 88de112b84a5285c2afb3e075a05c2ab8ad3fd33
Author candirufish
Date 2018-06-11 08:03:33 UTC
Simplify capture pruning margin formula Using just `PawnValueEg * depth` as Capture Prune Margin. There was a bunch of patches that passed recently regarding captures, maybe this part of the master code redundant? The patch was tested as a simplification: STC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 20833 W: 4218 L: 4096 D: 12519 http://tests.stockfishchess.org/tests/view/5b1cf2100ebc5902ab9c6651 LTC: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 27050 W: 3975 L: 3864 D: 19211 http://tests.stockfishchess.org/tests/view/5b1cfdc80ebc5902ab9c6776 Closes https://github.com/official-stockfish/Stockfish/pull/1643 Bench: 4980482
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