Dev Builds » 20171103-1251

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 06:13:23 2000454 2503 958 96 1449 +124.75 +/- 8.5
ncm-et-4 06:12:59 2001902 2482 952 88 1442 +126.22 +/- 8.49
ncm-et-5 02:02:59 2023201 828 306 32 490 +119.47 +/- 14.54
ncm-et-6 02:02:56 2026145 844 328 41 475 +123.04 +/- 15.04
ncm-et-7 02:02:44 2003711 824 277 26 521 +109.3 +/- 13.72
ncm-et-8 02:02:59 1985775 820 298 37 485 +114.57 +/- 14.68
ncm-et-9 06:13:29 2000993 2508 929 72 1507 +123.7 +/- 8.18
ncm-et-10 06:13:15 1978502 2484 949 81 1454 +126.75 +/- 8.42
ncm-et-11 02:03:10 2018801 819 276 27 516 +109.08 +/- 13.82
ncm-et-12 02:02:47 2019701 827 303 27 497 +120.57 +/- 14.3
ncm-et-13 06:13:22 1974150 2530 904 81 1545 +117.28 +/- 8.06
ncm-et-14 02:02:39 2019778 842 299 31 512 +114.56 +/- 14.09
ncm-et-15 04:10:27 1981265 1689 614 57 1018 +119.03 +/- 9.99
20000 7393 696 11911 +121.01 +/- 2.93

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
55044 ncm-et-4 2018-09-24 12:13 00:22:00 1991139 143 57 11 75 +115.88 +/- 38.96
55043 ncm-et-10 2018-09-24 12:12 00:22:51 1916410 147 51 7 89 +107.28 +/- 34.21
55042 ncm-et-9 2018-09-24 12:11 00:24:31 1989244 162 62 8 92 +120.41 +/- 34.25
55041 ncm-et-3 2018-09-24 12:10 00:25:34 1988612 169 57 5 107 +110.48 +/- 30.28
55040 ncm-et-15 2018-09-24 12:06 00:28:50 1982007 189 76 10 103 +126.65 +/- 32.69
55039 ncm-et-13 2018-09-24 12:04 00:30:55 1831955 189 71 7 111 +122.48 +/- 30.65
55038 ncm-et-4 2018-09-24 10:56 01:16:05 1990507 500 189 18 293 +123.81 +/- 18.82
55037 ncm-et-10 2018-09-24 10:54 01:16:52 1960233 500 194 20 286 +126.18 +/- 19.22
55036 ncm-et-9 2018-09-24 10:54 01:15:15 1989087 500 192 13 295 +130.15 +/- 18.57
55035 ncm-et-3 2018-09-24 10:52 01:16:02 1987825 500 188 24 288 +118.33 +/- 19.22
55034 ncm-et-15 2018-09-24 10:51 01:14:42 1983263 500 177 18 305 +114.45 +/- 18.23
55033 ncm-et-13 2018-09-24 10:50 01:13:18 1989085 500 192 13 295 +130.15 +/- 18.57
55032 ncm-et-4 2018-09-24 09:40 01:15:14 1989716 500 185 14 301 +123.81 +/- 18.31
55031 ncm-et-10 2018-09-24 09:38 01:15:34 1980285 500 196 20 284 +127.76 +/- 19.32
55030 ncm-et-9 2018-09-24 09:37 01:15:43 1986879 500 198 11 291 +136.56 +/- 18.7
55029 ncm-et-3 2018-09-24 09:36 01:15:49 1991772 500 206 15 279 +139.81 +/- 19.43
55028 ncm-et-13 2018-09-24 09:35 01:13:46 1987981 500 184 19 297 +119.11 +/- 18.65
55027 ncm-et-15 2018-09-24 09:35 01:14:40 1979035 500 193 13 294 +130.94 +/- 18.62
55026 ncm-et-10 2018-09-24 08:22 01:14:51 1977949 500 196 11 293 +134.95 +/- 18.6
55025 ncm-et-4 2018-09-24 08:22 01:16:54 1989559 500 187 14 299 +125.39 +/- 18.4
55024 ncm-et-3 2018-09-24 08:22 01:12:53 1988928 500 184 22 294 +116.78 +/- 18.88
55023 ncm-et-9 2018-09-24 08:22 01:14:50 1988296 500 182 10 308 +124.6 +/- 17.82
55022 ncm-et-15 2018-09-24 08:22 01:12:15 1980755 500 168 16 316 +109.07 +/- 17.63
55021 ncm-et-13 2018-09-24 08:21 01:12:28 1987356 500 156 17 327 +99.2 +/- 17.13
4242 ncm-et-8 2018-03-02 11:41 00:47:10 1986778 320 114 19 187 +106.35 +/- 23.94
4241 ncm-et-7 2018-03-02 11:41 00:47:24 1996295 324 109 11 204 +108.48 +/- 22.03
4240 ncm-et-12 2018-03-02 11:40 00:48:17 2016772 327 126 14 187 +124.01 +/- 23.84
4239 ncm-et-5 2018-03-02 11:40 00:48:38 2022303 328 120 13 195 +117.64 +/- 23.06
4238 ncm-et-11 2018-03-02 11:40 00:48:48 2019045 319 128 10 181 +134.91 +/- 24.08
4237 ncm-et-3 2018-03-02 11:39 00:49:15 2024100 334 130 15 189 +124.72 +/- 23.8
4236 ncm-et-6 2018-03-02 11:39 00:49:23 2026064 344 136 16 192 +126.51 +/- 23.7
4235 ncm-et-10 2018-03-02 11:39 00:49:46 2018070 337 126 10 201 +124.68 +/- 22.51
4234 ncm-et-4 2018-03-02 11:38 00:49:44 2023445 339 131 12 196 +127.38 +/- 23.1
4233 ncm-et-13 2018-03-02 11:38 00:50:06 2025081 341 115 14 212 +106.08 +/- 21.83
4232 ncm-et-9 2018-03-02 11:38 00:50:20 2025735 346 119 15 212 +107.76 +/- 21.97
4231 ncm-et-14 2018-03-02 11:38 00:50:01 2018721 342 133 12 197 +128.48 +/- 23.05
4230 ncm-et-7 2018-03-02 10:24 01:15:20 2011128 500 168 15 317 +109.83 +/- 17.55
4229 ncm-et-13 2018-03-02 10:24 01:12:49 2023447 500 186 11 303 +126.97 +/- 18.11
4228 ncm-et-8 2018-03-02 10:24 01:15:49 1984773 500 184 18 298 +119.89 +/- 18.57
4227 ncm-et-4 2018-03-02 10:24 01:13:02 2027047 500 203 19 278 +134.15 +/- 19.6
4226 ncm-et-6 2018-03-02 10:24 01:13:33 2026226 500 192 25 283 +120.67 +/- 19.49
4225 ncm-et-12 2018-03-02 10:24 01:14:30 2022630 500 177 13 310 +118.33 +/- 17.83
4224 ncm-et-3 2018-03-02 10:24 01:13:50 2021489 500 193 15 292 +129.35 +/- 18.78
4223 ncm-et-14 2018-03-02 10:24 01:12:38 2020836 500 166 19 315 +105.25 +/- 17.77
4222 ncm-et-5 2018-03-02 10:24 01:14:21 2024100 500 186 19 295 +120.67 +/- 18.75
4221 ncm-et-11 2018-03-02 10:24 01:14:22 2018558 500 148 17 335 +93.2 +/- 16.73
4220 ncm-et-9 2018-03-02 10:24 01:12:50 2026718 500 176 15 309 +116.0 +/- 17.95
4219 ncm-et-10 2018-03-02 10:24 01:13:21 2018070 500 186 13 301 +125.39 +/- 18.27

Commit

Commit ID 486c8175c4f48381b137e3d914d38d9bb8c39ba2
Author Joost VandeVondele
Date 2017-11-03 12:51:53 UTC
Replace easyMove with simple scheme Reduces time for a stable bestMove, giving some of the won time for the next move. the version before the pvDraw passed both STC and LTC passed STC: http://tests.stockfishchess.org/tests/view/59e98d5a0ebc590ccbb896ec LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 78561 W: 13945 L: 13921 D: 50695 elo = 0.106 +- 1.445 LOS: 55.716% passed LTC: http://tests.stockfishchess.org/tests/view/59eb9df90ebc590ccbb897ae LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 29056 W: 3640 L: 3530 D: 21886 elo = 1.315 +- 1.982 LOS: 90.314% This version, rebased on pvDrawPR with the obvious change, was verified again on STC: http://tests.stockfishchess.org/tests/view/59ee104e0ebc590ccbb89899 LLR: 2.96 (-2.94,2.94) [-3.00,1.00] Total: 19890 W: 3648 L: 3525 D: 12717 elo = 2.149 +- 2.895 LOS: 92.692% and LTC: http://tests.stockfishchess.org/tests/view/59f9673a0ebc590ccbb89ea0 Total : 17966 Win : 2273 ( 12.652%) Loss : 2149 ( 11.961%) Draw : 13544 ( 75.387%) Score : 50.345% Sensitivity : 0.014% 2*(W-L)/(W+L) : 5.608% LLR [-3.0, 1.0] : 2.95 BayesElo range : [ -1.161, 4.876, 10.830] (DrawElo: 341.132) LogisticElo range : [ -0.501, 2.105, 4.677] LOS : 94.369 % LTC again: LLR: 2.95 (-2.94,2.94) [-3.00,1.00] Total: 17966 W: 2273 L: 2149 D: 13544 LogisticElo range : [ -0.501, 2.105, 4.677] LOS : 94.369 % unchanged bench: 5234652
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