Dev Builds » 20231008-0537

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 06:54:45 585638 4000 1372 708 1920 +58.21 ± 5.07 3 178 982 826 11 +118.33 ± 10.81
ncm-dbt-02 06:55:58 586775 3992 1354 721 1917 +55.56 ± 5.06 3 185 992 808 8 +113.15 ± 10.76
ncm-dbt-03 06:55:50 587210 4014 1335 705 1974 +54.98 ± 5.15 4 205 961 831 6 +112.49 ± 10.97
ncm-dbt-04 06:55:54 570506 4014 1381 743 1890 +55.69 ± 5.1 2 196 981 818 10 +112.87 ± 10.84
ncm-dbt-05 06:55:23 584430 3980 1358 694 1928 +58.51 ± 5.09 1 182 971 824 12 +118.39 ± 10.88
20000 6800 3571 9629 +56.59 ± 2.28 13 946 4887 4107 47 +115.03 ± 4.85

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
403419 ncm-dbt-04 568593 14 4 2 8 +49.93 ± 60.15 0 0 5 2 0 +102.04 ± 134.61
403418 ncm-dbt-03 587537 14 5 4 5 +24.85 ± 84.38 0 1 4 2 0 +49.98 ± 184.5
403417 ncm-dbt-05 586350 480 153 82 245 +51.77 ± 13.77 0 20 129 91 0 +105.95 ± 29.59
403416 ncm-dbt-02 587409 492 175 83 234 +65.74 ± 14.03 0 19 116 111 0 +136.56 ± 31.59
403415 ncm-dbt-01 584748 500 180 86 234 +66.1 ± 13.89 0 17 124 107 2 +134.15 ± 30.35
403414 ncm-dbt-04 571913 500 184 113 203 +49.67 ± 14.24 0 25 131 92 2 +98.44 ± 29.57
403413 ncm-dbt-03 586816 500 162 92 246 +48.96 ± 15.38 0 35 111 103 1 +98.44 ± 32.41
403412 ncm-dbt-05 586054 500 174 88 238 +60.36 ± 13.93 0 18 131 98 3 +119.89 ± 29.37
403411 ncm-dbt-02 586012 500 165 85 250 +56.07 ± 14.56 1 22 125 100 2 +113.68 ± 30.37
403410 ncm-dbt-01 584159 500 177 89 234 +61.79 ± 14.14 0 20 124 104 2 +124.6 ± 30.44
403409 ncm-dbt-04 570148 500 166 87 247 +55.36 ± 13.98 1 19 131 98 1 +113.68 ± 29.44
403408 ncm-dbt-03 583908 500 161 85 254 +53.22 ± 14.29 0 26 122 102 0 +109.07 ± 30.84
403407 ncm-dbt-05 583321 500 174 96 230 +54.64 ± 14.63 0 26 122 100 2 +109.07 ± 30.84
403406 ncm-dbt-02 585843 500 164 98 238 +46.13 ± 13.63 0 24 136 90 0 +93.95 ± 28.85
403405 ncm-dbt-04 570469 500 178 82 240 +67.54 ± 13.95 0 17 122 109 2 +137.37 ± 30.65
403404 ncm-dbt-01 586689 500 168 83 249 +59.64 ± 14.73 1 24 114 111 0 +124.6 ± 31.99
403403 ncm-dbt-03 587028 500 175 84 241 +63.94 ± 13.66 0 17 126 106 1 +130.94 ± 30.05
403402 ncm-dbt-02 587749 500 172 85 243 +61.08 ± 14.24 2 16 126 105 1 +127.76 ± 30.09
403401 ncm-dbt-05 583908 500 165 89 246 +53.22 ± 14.29 0 25 125 99 1 +107.54 ± 30.4
403400 ncm-dbt-01 586435 500 165 90 245 +52.51 ± 14.79 1 26 121 101 1 +107.54 ± 30.99
403399 ncm-dbt-04 569071 500 174 76 250 +68.99 ± 14.0 0 17 120 111 2 +140.62 ± 30.95
403398 ncm-dbt-03 587197 500 169 82 249 +61.07 ± 13.82 0 20 123 107 0 +126.18 ± 30.59
403397 ncm-dbt-02 588686 500 171 88 241 +58.21 ± 14.39 0 23 123 102 2 +116.78 ± 30.65
403396 ncm-dbt-05 583572 500 180 89 231 +63.94 ± 14.78 0 24 113 111 2 +129.35 ± 32.14
403395 ncm-dbt-01 585337 500 181 95 224 +60.36 ± 13.79 0 18 130 100 2 +121.46 ± 29.51
403394 ncm-dbt-04 570388 500 175 95 230 +56.07 ± 13.44 0 18 135 96 1 +113.68 ± 28.8
403393 ncm-dbt-03 587028 500 162 92 246 +48.96 ± 14.47 1 26 125 98 0 +101.46 ± 30.43
403392 ncm-dbt-05 583028 500 173 82 245 +63.95 ± 13.8 0 19 121 110 0 +132.54 ± 30.86
403391 ncm-dbt-02 585717 500 181 96 223 +59.64 ± 14.04 0 20 127 101 2 +119.89 ± 30.01
403390 ncm-dbt-03 589069 500 170 86 244 +58.93 ± 14.01 0 21 125 103 1 +119.89 ± 30.32
403389 ncm-dbt-01 585506 500 167 100 233 +46.84 ± 14.22 0 27 130 92 1 +93.95 ± 29.74
403388 ncm-dbt-04 569909 500 157 106 237 +35.56 ± 15.37 1 39 118 92 0 +73.34 ± 31.44
403387 ncm-dbt-05 586223 500 166 84 250 +57.5 ± 15.28 1 27 113 107 2 +116.78 ± 32.15
403386 ncm-dbt-02 585295 500 155 82 263 +51.09 ± 14.31 0 26 126 97 1 +102.97 ± 30.28
403385 ncm-dbt-03 587877 500 166 93 241 +51.09 ± 15.61 2 30 112 105 1 +106.01 ± 32.28
403384 ncm-dbt-01 582819 500 166 92 242 +51.8 ± 14.62 0 28 121 100 1 +104.49 ± 31.0
403383 ncm-dbt-04 571230 500 172 91 237 +56.78 ± 15.25 0 31 108 110 1 +115.23 ± 32.87
403382 ncm-dbt-05 582987 500 173 84 243 +62.51 ± 14.58 0 23 117 108 2 +126.18 ± 31.53
403381 ncm-dbt-02 587494 500 171 104 225 +46.84 ± 15.14 0 35 113 102 0 +95.44 ± 32.13
403380 ncm-dbt-03 588430 500 165 87 248 +54.65 ± 15.41 1 29 113 105 2 +110.6 ± 32.15
403379 ncm-dbt-04 572840 500 171 91 238 +56.07 ± 15.09 0 30 111 108 1 +113.68 ± 32.44
403378 ncm-dbt-01 589411 500 168 73 259 +66.82 ± 14.48 1 18 118 111 2 +137.37 ± 31.31

Commit

Commit ID 8a912951de6d4bff78d3ff5258213a0c7e6f494e
Author mstembera
Date 2023-10-08 05:37:01 UTC
Remove handcrafted MMX code too small a benefit to maintain this old target closes https://github.com/official-stockfish/Stockfish/pull/4804 No functional change
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