Dev Builds » 20180510-1028

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 06:06:45 2001780 2422 1109 69 1244 +159.53 +/- 9.33
ncm-et-4 06:03:33 2001171 2400 1109 63 1228 +162.28 +/- 9.38
ncm-et-5 01:49:15 1994884 722 352 16 354 +175.16 +/- 17.54
ncm-et-6 01:47:49 2026638 718 377 18 323 +190.85 +/- 18.59
ncm-et-7 01:47:42 1993100 699 326 21 352 +162.49 +/- 17.62
ncm-et-8 01:46:53 2001328 696 328 16 352 +167.65 +/- 17.52
ncm-et-9 06:07:24 2001167 2406 1138 63 1205 +167.01 +/- 9.5
ncm-et-10 06:03:28 1977317 2354 1104 65 1185 +164.66 +/- 9.58
ncm-et-11 01:48:40 2016773 715 349 21 345 +172.23 +/- 17.9
ncm-et-12 01:48:21 2020917 715 313 13 389 +155.37 +/- 16.37
ncm-et-13 06:06:15 1986652 2402 1144 84 1174 +164.63 +/- 9.71
ncm-et-14 01:47:23 2019208 711 326 25 360 +156.96 +/- 17.47
ncm-et-15 06:04:11 1976052 2331 1071 71 1189 +159.36 +/- 9.56
ncm-et-16 01:47:28 1985486 709 361 17 331 +184.05 +/- 18.28
20000 9407 562 10031 +165.04 +/- 3.29

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
50748 ncm-et-15 2018-08-22 07:19 00:20:18 1984206 126 60 4 62 +165.99 +/- 42.45
50747 ncm-et-10 2018-08-22 07:15 00:24:25 1941014 154 67 3 84 +153.69 +/- 35.4
50746 ncm-et-13 2018-08-22 07:14 00:25:24 1964631 168 80 4 84 +169.44 +/- 36.11
50745 ncm-et-9 2018-08-22 07:12 00:26:56 1987823 174 86 7 81 +170.16 +/- 37.5
50744 ncm-et-3 2018-08-22 07:11 00:28:12 1989401 186 84 4 98 +159.83 +/- 33.04
50743 ncm-et-4 2018-08-22 07:10 00:29:05 1989244 192 91 9 92 +158.54 +/- 35.15
50742 ncm-et-15 2018-08-22 05:59 01:18:37 1951462 500 233 10 257 +166.66 +/- 20.41
50741 ncm-et-10 2018-08-22 05:57 01:16:49 1951527 500 241 15 244 +169.27 +/- 21.27
50740 ncm-et-13 2018-08-22 05:56 01:16:43 1944630 500 237 19 244 +162.35 +/- 21.38
50739 ncm-et-9 2018-08-22 05:55 01:16:17 1989875 500 253 13 234 +181.7 +/- 21.78
50738 ncm-et-4 2018-08-22 05:53 01:16:04 1991297 500 254 14 232 +181.7 +/- 21.92
50737 ncm-et-3 2018-08-22 05:52 01:17:59 1989401 500 221 17 262 +150.51 +/- 20.36
50736 ncm-et-15 2018-08-22 04:38 01:20:19 1902835 500 237 20 243 +161.49 +/- 21.45
50735 ncm-et-13 2018-08-22 04:38 01:17:15 1975052 500 231 10 259 +164.93 +/- 20.3
50734 ncm-et-10 2018-08-22 04:38 01:18:13 1951305 500 233 13 254 +164.07 +/- 20.67
50733 ncm-et-9 2018-08-22 04:36 01:17:55 1988454 500 234 15 251 +163.21 +/- 20.89
50732 ncm-et-4 2018-08-22 04:36 01:15:59 1989558 500 236 15 249 +164.93 +/- 21.0
50731 ncm-et-3 2018-08-22 04:35 01:15:46 1988769 500 239 15 246 +167.53 +/- 21.16
50730 ncm-et-4 2018-08-22 03:19 01:15:03 1989874 500 227 8 265 +163.21 +/- 19.91
50729 ncm-et-10 2018-08-22 03:19 01:17:04 1979035 500 232 11 257 +164.93 +/- 20.44
50728 ncm-et-13 2018-08-22 03:19 01:17:18 1986249 500 243 20 237 +166.66 +/- 21.79
50727 ncm-et-9 2018-08-22 03:19 01:15:30 1990033 500 233 16 251 +161.49 +/- 20.92
50726 ncm-et-15 2018-08-22 03:19 01:17:26 1978254 500 228 19 253 +154.7 +/- 20.89
50725 ncm-et-3 2018-08-22 03:19 01:14:44 1990823 500 230 11 259 +163.21 +/- 20.33
28382 ncm-et-8 2018-05-10 13:34 00:30:33 1981493 196 98 4 94 +181.52 +/- 34.23
28381 ncm-et-7 2018-05-10 13:34 00:30:29 2011739 199 91 6 102 +158.57 +/- 32.76
28380 ncm-et-10 2018-05-10 13:33 00:31:02 2020511 200 91 7 102 +155.54 +/- 32.89
28379 ncm-et-4 2018-05-10 13:33 00:31:26 2023775 208 96 6 106 +160.93 +/- 32.13
28378 ncm-et-16 2018-05-10 13:33 00:31:27 1983474 209 109 3 97 +194.19 +/- 33.66
28377 ncm-et-15 2018-05-10 13:32 00:32:07 2020510 205 82 9 114 +129.39 +/- 30.78
28376 ncm-et-12 2018-05-10 13:32 00:32:33 2020673 215 96 4 115 +158.89 +/- 30.31
28375 ncm-et-14 2018-05-10 13:32 00:32:37 2018883 211 95 3 113 +162.36 +/- 30.44
28374 ncm-et-11 2018-05-10 13:31 00:33:10 2014988 215 106 5 104 +177.11 +/- 32.56
28373 ncm-et-6 2018-05-10 13:31 00:33:13 2025738 218 115 5 98 +192.98 +/- 33.84
28372 ncm-et-5 2018-05-10 13:31 00:33:39 2024263 222 119 6 97 +195.05 +/- 34.2
28371 ncm-et-13 2018-05-10 13:30 00:34:21 2023610 234 100 12 122 +137.4 +/- 30.22
28370 ncm-et-9 2018-05-10 13:29 00:34:55 2025736 232 101 6 125 +151.13 +/- 29.2
28369 ncm-et-3 2018-05-10 13:28 00:36:25 2026391 236 121 5 110 +186.94 +/- 31.75
28368 ncm-et-8 2018-05-10 12:16 01:16:20 2021163 500 230 12 258 +162.35 +/- 20.42
28367 ncm-et-10 2018-05-10 12:16 01:15:55 2020510 500 240 16 244 +167.53 +/- 21.3
28366 ncm-et-4 2018-05-10 12:16 01:15:56 2023283 500 205 11 284 +142.26 +/- 19.05
28365 ncm-et-14 2018-05-10 12:16 01:14:46 2019533 500 231 22 247 +154.7 +/- 21.28
28364 ncm-et-15 2018-05-10 12:16 01:15:24 2019045 500 231 9 260 +165.8 +/- 20.21
28363 ncm-et-16 2018-05-10 12:16 01:16:01 1987498 500 252 14 234 +179.9 +/- 21.81
28362 ncm-et-7 2018-05-10 12:16 01:17:13 1974461 500 235 15 250 +164.07 +/- 20.94
28361 ncm-et-6 2018-05-10 12:15 01:14:36 2027538 500 262 13 225 +189.92 +/- 22.31
28360 ncm-et-12 2018-05-10 12:15 01:15:48 2021162 500 217 9 274 +153.86 +/- 19.48
28359 ncm-et-11 2018-05-10 12:15 01:15:30 2018558 500 243 16 241 +170.15 +/- 21.47
28358 ncm-et-5 2018-05-10 12:14 01:15:36 1965506 500 233 10 257 +166.66 +/- 20.41
28357 ncm-et-13 2018-05-10 12:14 01:15:14 2025740 500 253 19 228 +176.33 +/- 22.28
28356 ncm-et-3 2018-05-10 12:13 01:13:39 2025899 500 214 17 269 +144.72 +/- 20.0
28355 ncm-et-9 2018-05-10 12:13 01:15:51 2025081 500 231 6 263 +168.4 +/- 19.93

Commit

Commit ID 76d4a80084f2ff61b0ea433ac829914370736b5e
Author Stefan Geschwentner
Date 2018-05-10 10:28:18 UTC
Tune null move pruning Use a lower stat score threshold of 22500. Failed yellow at STC after many games (~0.92 Elo): LLR: -2.96 (-2.94,2.94) [0.00,4.00] Total: 73978 W: 14947 L: 14834 D: 44197 http://tests.stockfishchess.org/tests/view/5af2deec0ebc5968e6523f80 But scales good and passed LTC: LLR: 2.96 (-2.94,2.94) [0.00,4.00] Total: 23147 W: 3453 L: 3237 D: 16457 http://tests.stockfishchess.org/tests/view/5af3cf820ebc5968e6524022 Closes https://github.com/official-stockfish/Stockfish/pull/1591 Bench: 4777674
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