Dev Builds » 20200613-0448

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 08:26:25 1962636 3348 2118 49 1181 +250.76 +/- 9.81
ncm-et-4 08:26:35 1957356 3320 2114 50 1156 +252.85 +/- 9.93
ncm-et-9 08:26:09 1967308 3353 2143 54 1156 +253.6 +/- 9.94
ncm-et-10 08:26:43 1960631 3306 2079 45 1182 +249.22 +/- 9.8
ncm-et-13 08:26:46 1961977 3350 2136 42 1172 +254.77 +/- 9.84
ncm-et-15 08:26:34 1967958 3323 2144 47 1132 +258.2 +/- 10.04
20000 12734 287 6979 +253.22 +/- 4.04

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
132560 ncm-et-10 2020-06-14 11:32 00:46:50 1956346 306 200 0 106 +271.53 +/- 32.55
132559 ncm-et-15 2020-06-14 11:29 00:49:08 1961688 323 209 5 109 +258.51 +/- 32.57
132558 ncm-et-4 2020-06-14 11:28 00:49:44 1970664 320 190 6 124 +227.56 +/- 30.35
132557 ncm-et-9 2020-06-14 11:26 00:51:50 1964772 353 229 2 122 +265.22 +/- 30.5
132556 ncm-et-13 2020-06-14 11:26 00:52:29 1960625 350 221 3 126 +253.51 +/- 30.02
132555 ncm-et-3 2020-06-14 11:25 00:53:17 1965843 348 204 6 138 +224.44 +/- 28.68
132554 ncm-et-4 2020-06-14 10:12 01:14:56 1968621 500 316 9 175 +248.53 +/- 25.64
132553 ncm-et-15 2020-06-14 10:12 01:16:24 1963084 500 340 7 153 +279.17 +/- 27.52
132552 ncm-et-10 2020-06-14 10:11 01:19:00 1955415 500 306 5 189 +241.91 +/- 24.42
132551 ncm-et-3 2020-06-14 10:10 01:14:16 1960307 500 334 9 157 +269.37 +/- 27.19
132550 ncm-et-9 2020-06-14 10:09 01:15:32 1964610 500 311 8 181 +244.1 +/- 25.14
132549 ncm-et-13 2020-06-14 10:08 01:17:11 1962763 500 306 4 190 +243.0 +/- 24.3
132548 ncm-et-10 2020-06-14 08:55 01:14:52 1961390 500 331 2 167 +274.22 +/- 26.04
132547 ncm-et-4 2020-06-14 08:55 01:15:58 1968787 500 311 7 182 +245.2 +/- 25.02
132546 ncm-et-15 2020-06-14 08:54 01:16:23 1975766 500 324 4 172 +263.42 +/- 25.71
132545 ncm-et-13 2020-06-14 08:52 01:14:46 1962920 500 322 8 170 +256.44 +/- 26.02
132544 ncm-et-3 2020-06-14 08:51 01:17:04 1958469 500 311 4 185 +248.53 +/- 24.68
132543 ncm-et-9 2020-06-14 08:51 01:16:47 1968623 500 326 11 163 +257.59 +/- 26.7
132542 ncm-et-10 2020-06-14 07:38 01:16:49 1963401 500 317 9 174 +249.64 +/- 25.72
132541 ncm-et-15 2020-06-14 07:37 01:16:17 1970179 500 318 9 173 +250.77 +/- 25.8
132540 ncm-et-13 2020-06-14 07:35 01:15:31 1962457 500 304 6 190 +238.66 +/- 24.39
132539 ncm-et-3 2020-06-14 07:35 01:15:21 1963381 500 311 12 177 +239.74 +/- 25.55
132538 ncm-et-9 2020-06-14 07:35 01:15:29 1968326 500 329 9 162 +263.42 +/- 26.74
132537 ncm-et-4 2020-06-14 07:35 01:19:41 1902253 500 323 7 170 +258.75 +/- 25.99
132536 ncm-et-10 2020-06-14 06:20 01:16:29 1964005 500 301 9 190 +232.26 +/- 24.49
132535 ncm-et-15 2020-06-14 06:19 01:16:31 1973279 500 319 7 174 +254.16 +/- 25.66
132534 ncm-et-13 2020-06-14 06:19 01:15:17 1961848 500 327 4 169 +266.97 +/- 25.96
132533 ncm-et-9 2020-06-14 06:18 01:15:28 1964933 500 312 2 186 +251.89 +/- 24.5
132532 ncm-et-3 2020-06-14 06:18 01:15:46 1964917 500 320 4 176 +258.75 +/- 25.38
132531 ncm-et-4 2020-06-14 06:18 01:16:01 1974981 500 315 7 178 +249.64 +/- 25.34
132530 ncm-et-10 2020-06-14 05:03 01:15:59 1962774 500 321 10 169 +253.02 +/- 26.16
132529 ncm-et-15 2020-06-14 05:02 01:16:07 1961382 500 315 4 181 +253.02 +/- 24.98
132528 ncm-et-3 2020-06-14 05:02 01:15:08 1961701 500 307 6 187 +241.91 +/- 24.61
132527 ncm-et-9 2020-06-14 05:02 01:15:21 1969872 500 318 11 171 +248.53 +/- 26.02
132526 ncm-et-13 2020-06-14 05:02 01:15:50 1962149 500 331 6 163 +269.37 +/- 26.56
132525 ncm-et-4 2020-06-14 05:00 01:16:26 1946005 500 325 10 165 +257.59 +/- 26.5
132524 ncm-et-3 2020-06-14 03:45 01:15:33 1963840 500 331 8 161 +266.97 +/- 26.8
132523 ncm-et-15 2020-06-14 03:45 01:15:44 1970330 500 319 11 170 +249.64 +/- 26.1
132522 ncm-et-4 2020-06-14 03:45 01:13:49 1970182 500 334 4 162 +275.45 +/- 26.57
132521 ncm-et-10 2020-06-14 03:45 01:16:44 1961087 500 303 10 187 +233.32 +/- 24.74
132520 ncm-et-9 2020-06-14 03:45 01:15:42 1970024 500 318 11 171 +248.53 +/- 26.02
132519 ncm-et-13 2020-06-14 03:45 01:15:42 1961077 500 325 11 164 +256.44 +/- 26.61

Commit

Commit ID c44c62efc24fbe6355a9c19e287b2c78e6fd6c1d
Author Vizvezdenec
Date 2020-06-13 04:48:58 UTC
Adjust history threshold for quiet moves futility pruning This patch adjusts the threshold for futility pruning of quiet moves using the continuation history array contHist[5], in the same way as it is used in movepicker. passed STC: https://tests.stockfishchess.org/tests/view/5ee3f88bca6c451633a9959f LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 55984 W: 10822 L: 10552 D: 34610 Ptnml(0-2): 952, 6435, 12941, 6719, 945 passed LTC: https://tests.stockfishchess.org/tests/view/5ee4186dca6c451633a995cf LLR: 2.96 (-2.94,2.94) {0.25,1.75} Total: 41712 W: 5402 L: 5114 D: 31196 Ptnml(0-2): 293, 3766, 12469, 4016, 312 closes https://github.com/official-stockfish/Stockfish/pull/2734 Bench: 4715960
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