Dev Builds » 20230422-0859

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 06:58:14 582796 4006 1263 807 1936 +39.72 ± 5.14 7 237 1063 685 11 +79.78 ± 10.37
ncm-dbt-02 06:57:39 586394 4004 1270 816 1918 +39.56 ± 5.15 5 252 1034 706 5 +80.18 ± 10.55
ncm-dbt-03 06:58:20 583302 4014 1319 823 1872 +43.15 ± 5.1 4 236 1031 732 4 +87.68 ± 10.56
ncm-dbt-04 06:57:22 569600 3976 1247 791 1938 +40.02 ± 5.08 2 239 1055 685 7 +80.22 ± 10.41
ncm-dbt-05 06:56:51 580778 4000 1283 770 1947 +44.81 ± 5.02 2 217 1053 722 6 +90.41 ± 10.41
20000 6382 4007 9611 +41.45 ± 2.28 20 1181 5236 3530 33 +83.64 ± 4.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
427846 ncm-dbt-02 585253 4 1 0 3 +88.51 ± 137.63 0 0 1 1 0 +190.5 ± 634.21 ↓
427845 ncm-dbt-01 583447 6 1 1 4 0.0 ± 11.34 0 0 3 0 0 -0.0 ± 10.15 ↓
427844 ncm-dbt-03 581943 14 4 3 7 +24.85 ± 84.38 0 1 4 2 0 +49.98 ± 184.5 ↓
427843 ncm-dbt-04 571270 476 160 97 219 +46.26 ± 13.69 0 21 133 84 0 +94.21 ± 29.0 ↓
427842 ncm-dbt-05 579001 500 161 90 249 +49.67 ± 14.64 0 29 122 98 1 +99.95 ± 30.87 ↓
427841 ncm-dbt-03 584790 500 158 93 249 +45.42 ± 14.41 0 29 128 92 1 +90.97 ± 30.05 ↓
427840 ncm-dbt-01 582819 500 174 107 219 +46.84 ± 14.36 1 25 131 92 1 +95.44 ± 29.59 ↓
427839 ncm-dbt-02 587282 500 161 105 234 +39.08 ± 14.7 1 32 127 90 0 +80.63 ± 30.22 ↓
427838 ncm-dbt-04 567878 500 166 110 224 +39.08 ± 13.62 0 26 143 80 1 +77.71 ± 27.95 ↓
427837 ncm-dbt-05 580987 500 166 99 235 +46.84 ± 14.09 0 26 132 91 1 +93.95 ± 29.45 ↓
427836 ncm-dbt-03 579001 500 161 105 234 +39.08 ± 15.21 2 33 122 93 0 +82.1 ± 30.9 ↓
427835 ncm-dbt-01 581444 500 152 106 242 +32.06 ± 13.85 1 29 143 77 0 +66.1 ± 28.04 ↓
427834 ncm-dbt-02 585295 500 167 106 227 +42.6 ± 14.12 0 29 131 90 0 +86.52 ± 29.64 ↓
427833 ncm-dbt-04 570428 500 153 107 240 +32.05 ± 15.03 1 35 134 77 3 +61.79 ± 29.32 ↓
427832 ncm-dbt-05 579248 500 163 101 236 +43.3 ± 13.88 0 27 134 89 0 +88.0 ± 29.2 ↓
427831 ncm-dbt-02 587325 500 161 91 248 +48.96 ± 14.07 0 25 131 93 1 +98.44 ± 29.57 ↓
427830 ncm-dbt-03 584916 500 169 116 215 +36.97 ± 15.58 2 37 117 94 0 +77.71 ± 31.57 ↓
427829 ncm-dbt-01 583489 500 144 109 247 +24.36 ± 15.26 2 40 130 77 1 +50.38 ± 29.88 ↓
427828 ncm-dbt-04 569789 500 151 96 253 +38.37 ± 15.42 0 39 119 90 2 +74.79 ± 31.31 ↓
427827 ncm-dbt-02 585084 500 150 97 253 +36.97 ± 14.17 1 29 136 84 0 +76.25 ± 28.98 ↓
427826 ncm-dbt-05 580987 500 162 86 252 +53.22 ± 13.87 0 21 134 93 2 +106.01 ± 29.04 ↓
427825 ncm-dbt-03 585885 500 168 99 233 +48.25 ± 14.16 0 25 133 90 2 +95.44 ± 29.29 ↓
427824 ncm-dbt-01 579166 500 156 89 255 +46.84 ± 15.39 0 33 121 92 4 +89.48 ± 31.03 ↓
427823 ncm-dbt-04 565823 500 160 92 248 +47.55 ± 14.66 1 27 126 95 1 +96.94 ± 30.31 ↓
427822 ncm-dbt-05 578136 500 145 91 264 +37.67 ± 14.35 0 33 130 87 0 +76.25 ± 29.82 ↓
427821 ncm-dbt-02 587537 500 154 111 235 +29.95 ± 15.02 1 37 132 78 2 +58.93 ± 29.6 ↓
427820 ncm-dbt-03 581194 500 168 108 224 +41.89 ± 13.8 0 27 136 87 0 +85.04 ± 28.92 ↓
427819 ncm-dbt-01 583866 500 164 89 247 +52.51 ± 13.84 0 21 135 92 2 +104.49 ± 28.91 ↓
427818 ncm-dbt-04 571632 500 151 100 249 +35.56 ± 13.81 0 30 139 81 0 +71.89 ± 28.58 ↓
427817 ncm-dbt-05 583824 500 167 99 234 +47.55 ± 14.26 1 25 129 95 0 +98.44 ± 29.86 ↓
427816 ncm-dbt-02 585000 500 167 103 230 +44.72 ± 13.97 0 27 132 91 0 +90.97 ± 29.47 ↓
427815 ncm-dbt-03 581111 500 162 113 225 +34.16 ± 13.99 0 32 137 81 0 +68.99 ± 28.88 ↓
427814 ncm-dbt-01 582193 500 156 94 250 +43.3 ± 14.16 0 28 133 88 1 +86.52 ± 29.35 ↓
427813 ncm-dbt-04 571270 500 153 105 242 +33.46 ± 13.94 0 32 138 80 0 +67.55 ± 28.74 ↓
427812 ncm-dbt-05 575272 500 170 114 216 +39.08 ± 13.62 1 24 143 82 0 +80.63 ± 27.93 ↓
427811 ncm-dbt-02 588174 500 150 108 242 +29.25 ± 14.97 1 38 130 80 1 +58.93 ± 29.87 ↓
427810 ncm-dbt-03 585717 500 166 94 240 +50.38 ± 13.86 0 24 130 96 0 +102.97 ± 29.68 ↓
427809 ncm-dbt-01 584076 500 153 96 251 +39.78 ± 13.94 1 26 138 85 0 +82.1 ± 28.65 ↓
427808 ncm-dbt-04 568713 500 153 84 263 +48.25 ± 14.43 0 29 123 98 0 +98.44 ± 30.73 ↓
427807 ncm-dbt-02 586604 500 159 95 246 +44.72 ± 15.53 1 35 114 99 1 +90.97 ± 31.99 ↓
427806 ncm-dbt-05 588771 500 149 90 261 +41.19 ± 14.7 0 32 129 87 2 +80.63 ± 29.95 ↓
427805 ncm-dbt-03 585169 500 163 92 245 +49.67 ± 14.51 0 28 124 97 1 +99.95 ± 30.58 ↓
427804 ncm-dbt-01 584664 500 163 116 221 +32.76 ± 15.32 2 35 129 82 2 +66.1 ± 29.99 ↓

Commit

Commit ID d64d4ac426e06cdd52249b0464d22f3cdb7fcf79
Author Muzhen Gaming
Date 2023-04-22 08:59:33 UTC
Simplify away depth condition for aspiration window adjust Simplification STC: https://tests.stockfishchess.org/tests/view/64351654596a20f264276ded LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 374664 W: 98942 L: 99089 D: 176633 Ptnml(0-2): 1049, 41767, 101878, 41558, 1080 Simplification LTC: https://tests.stockfishchess.org/tests/view/6439499f605991a801b4f684 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 457880 W: 123021 L: 123233 D: 211626 Ptnml(0-2): 166, 44739, 139335, 44541, 159 closes https://github.com/official-stockfish/Stockfish/pull/4534 Bench: 3879281
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