Dev Builds » 20200810-1238

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo
ncm-dbt-01 06:32:34 584277 4018 74 2609 1335 -258.12 ± 6.83 624 1289 94 2 0 -640.82 ± 35.57
ncm-dbt-02 06:30:58 587318 4000 90 2561 1349 -250.63 ± 6.68 583 1307 108 2 0 -616.2 ± 33.13
ncm-dbt-03 06:30:56 586285 4000 75 2550 1375 -251.19 ± 6.51 569 1340 88 3 0 -647.44 ± 36.77
ncm-dbt-04 06:32:10 567838 4004 65 2601 1338 -259.54 ± 6.84 625 1289 85 3 0 -653.39 ± 37.43
ncm-dbt-05 06:33:10 581845 3978 78 2562 1338 -254.41 ± 6.76 598 1289 101 1 0 -630.17 ± 34.28
20000 382 12883 6735 -254.76 ± 3.01 2999 6514 476 11 0 -637.14 ± 15.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
449447 ncm-dbt-04 566928 4 0 3 1 -336.56 ± 527.33 1 1 0 0 0 -1199.83 ± 312.71
449446 ncm-dbt-01 585843 18 0 13 5 -316.66 ± 133.13 4 5 0 0 0 -1199.83 ± 179.72
449445 ncm-dbt-05 583656 478 11 309 158 -253.83 ± 20.16 74 150 15 0 0 -595.77 ± 95.86
449444 ncm-dbt-03 585084 500 7 310 183 -244.09 ± 17.49 65 173 12 0 0 -643.67 ± 110.29
449443 ncm-dbt-04 568832 500 8 339 153 -276.68 ± 21.3 92 147 11 0 0 -659.13 ± 116.77
449442 ncm-dbt-02 585000 500 8 330 162 -265.78 ± 20.24 83 157 9 1 0 -659.17 ± 131.36
449441 ncm-dbt-01 585042 500 8 327 165 -262.24 ± 19.53 80 159 11 0 0 -659.13 ± 116.77
449440 ncm-dbt-05 585506 500 14 316 170 -243.0 ± 18.88 69 165 15 1 0 -581.4 ± 95.42
449439 ncm-dbt-03 583112 500 11 321 168 -251.89 ± 19.02 73 165 11 1 0 -629.43 ± 115.29
449438 ncm-dbt-02 587834 500 10 328 162 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
449437 ncm-dbt-04 565115 500 10 324 166 -256.44 ± 19.6 78 158 14 0 0 -616.18 ± 100.06
449436 ncm-dbt-01 583531 500 13 319 168 -247.41 ± 18.96 72 162 16 0 0 -592.27 ± 92.24
449435 ncm-dbt-05 579124 500 13 312 175 -239.73 ± 17.95 65 169 16 0 0 -592.27 ± 92.24
449434 ncm-dbt-03 586520 500 9 317 174 -249.64 ± 18.73 70 170 8 2 0 -643.7 ± 134.88
449433 ncm-dbt-02 588430 500 9 328 163 -262.24 ± 21.1 86 147 17 0 0 -581.38 ± 88.96
449432 ncm-dbt-04 565902 500 7 322 171 -257.59 ± 18.12 73 169 8 0 0 -715.51 ± 146.53
449431 ncm-dbt-01 584117 500 6 320 174 -256.44 ± 17.69 71 172 7 0 0 -739.05 ± 163.27
449430 ncm-dbt-05 581236 500 8 317 175 -250.76 ± 18.35 71 167 12 0 0 -643.67 ± 110.29
449429 ncm-dbt-02 589539 500 11 315 174 -245.19 ± 17.36 65 174 11 0 0 -659.13 ± 116.77
449428 ncm-dbt-04 569071 500 5 322 173 -259.9 ± 17.83 73 171 6 0 0 -766.17 ± 188.02
449427 ncm-dbt-03 587070 500 6 330 164 -268.16 ± 19.42 82 160 8 0 0 -715.51 ± 146.53
449426 ncm-dbt-01 584664 500 7 315 178 -249.64 ± 18.47 70 169 10 1 0 -643.7 ± 122.54
449425 ncm-dbt-05 579868 500 12 322 166 -251.89 ± 19.28 75 160 15 0 0 -603.84 ± 95.91
449424 ncm-dbt-04 568395 500 13 326 161 -255.29 ± 19.72 78 157 15 0 0 -603.84 ± 95.91
449423 ncm-dbt-02 588217 500 16 322 162 -247.41 ± 19.21 73 160 17 0 0 -581.38 ± 88.96
449422 ncm-dbt-03 585843 500 10 322 168 -254.15 ± 18.24 72 168 10 0 0 -676.04 ± 124.55
449421 ncm-dbt-01 585421 500 13 324 163 -253.02 ± 19.68 77 157 16 0 0 -592.27 ± 92.24
449420 ncm-dbt-03 586266 500 11 320 169 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
449419 ncm-dbt-05 577848 500 6 334 160 -272.99 ± 20.01 86 156 8 0 0 -715.51 ± 146.53
449418 ncm-dbt-02 584790 500 12 317 171 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
449417 ncm-dbt-04 570469 500 11 316 173 -246.3 ± 18.81 71 163 16 0 0 -592.27 ± 92.24
449416 ncm-dbt-01 582444 500 5 337 158 -277.92 ± 20.01 88 156 6 0 0 -766.17 ± 188.02
449415 ncm-dbt-03 588047 500 14 308 178 -234.38 ± 17.23 60 174 16 0 0 -592.27 ± 92.24
449414 ncm-dbt-02 587919 500 9 312 179 -244.09 ± 18.01 67 169 14 0 0 -616.18 ± 100.06
449413 ncm-dbt-05 584748 500 7 331 162 -268.16 ± 19.99 84 156 10 0 0 -676.04 ± 124.55
449412 ncm-dbt-04 567205 500 3 324 173 -264.59 ± 18.98 78 166 5 1 0 -739.1 ± 208.89
449411 ncm-dbt-01 584201 500 9 331 160 -265.78 ± 20.51 84 155 10 1 0 -643.7 ± 122.54
449410 ncm-dbt-03 588345 500 7 322 171 -257.59 ± 18.68 75 165 10 0 0 -676.04 ± 124.55
449409 ncm-dbt-02 586816 500 15 309 176 -234.38 ± 17.73 61 173 15 1 0 -581.4 ± 95.42
449408 ncm-dbt-04 568633 500 8 325 167 -259.9 ± 20.55 81 157 10 2 0 -616.2 ± 118.22
449407 ncm-dbt-05 582778 500 7 321 172 -256.44 ± 18.53 74 166 10 0 0 -676.04 ± 124.55
449406 ncm-dbt-01 583237 500 13 323 164 -251.89 ± 20.03 78 154 18 0 0 -571.09 ± 86.01

Commit

Commit ID f948cd008d3a289ebbadc463271f84888e8069ba
Author mstembera
Date 2020-08-10 12:38:17 UTC
Cleanup and optimize SSE/AVX code AVX512 +4% faster AVX2 +1% faster SSSE3 +5% faster passed non-regression STC: STC https://tests.stockfishchess.org/tests/view/5f31249f90816720665374f6 LLR: 2.96 (-2.94,2.94) {-1.50,0.50} Total: 17576 W: 2344 L: 2245 D: 12987 Ptnml(0-2): 127, 1570, 5292, 1675, 124 closes https://github.com/official-stockfish/Stockfish/pull/2962 No functional change
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