Dev Builds » 20230520-0816

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 06:55:59 583804 4000 1246 760 1994 +42.42 ± 5.22 3 258 995 738 6 +85.6 ± 10.78
ncm-dbt-02 06:57:51 586255 4000 1254 792 1954 +40.31 ± 5.09 1 249 1043 701 6 +80.82 ± 10.49
ncm-dbt-03 06:57:42 584354 4000 1244 776 1980 +40.84 ± 5.1 2 249 1030 717 2 +82.83 ± 10.57
ncm-dbt-04 06:56:17 568106 4000 1285 796 1919 +42.69 ± 5.12 2 243 1024 726 5 +86.15 ± 10.6
ncm-dbt-05 06:55:57 580391 4000 1274 804 1922 +41.01 ± 5.16 3 247 1038 701 11 +81.73 ± 10.52
20000 6303 3928 9769 +41.45 ± 2.3 11 1246 5130 3583 30 +83.42 ± 4.74

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
427626 ncm-dbt-02 587579 500 158 97 245 +42.6 ± 14.25 0 30 129 91 0 +86.52 ± 29.92
427625 ncm-dbt-04 569071 500 158 92 250 +46.13 ± 14.32 1 25 132 91 1 +93.95 ± 29.45
427624 ncm-dbt-05 578259 500 177 104 219 +51.09 ± 14.85 0 30 118 101 1 +102.97 ± 31.44
427623 ncm-dbt-01 583866 500 158 100 242 +40.49 ± 15.78 1 40 109 100 0 +83.57 ± 32.63
427622 ncm-dbt-03 584076 500 150 100 250 +34.86 ± 13.49 0 28 144 78 0 +70.44 ± 27.87
427621 ncm-dbt-04 568872 500 161 105 234 +39.08 ± 13.62 0 27 140 83 0 +79.17 ± 28.38
427620 ncm-dbt-05 583992 500 152 93 255 +41.19 ± 14.43 0 29 136 82 3 +79.17 ± 28.96
427619 ncm-dbt-01 583740 500 140 86 274 +37.67 ± 14.74 1 33 127 89 0 +77.71 ± 30.23
427618 ncm-dbt-02 581985 500 158 104 238 +37.67 ± 15.13 0 37 124 87 2 +73.34 ± 30.64
427617 ncm-dbt-03 587494 500 141 93 266 +33.46 ± 15.49 1 40 120 88 1 +67.55 ± 31.17
427616 ncm-dbt-04 568275 500 154 104 242 +34.86 ± 15.08 0 39 123 87 1 +68.99 ± 30.78
427615 ncm-dbt-01 584369 500 156 87 257 +48.25 ± 14.16 0 26 130 93 1 +96.94 ± 29.72
427614 ncm-dbt-05 581860 500 154 96 250 +40.48 ± 14.26 0 30 133 86 1 +80.63 ± 29.38
427613 ncm-dbt-02 586520 500 154 95 251 +41.19 ± 14.57 0 32 128 89 1 +82.1 ± 30.08
427612 ncm-dbt-03 580406 500 162 107 231 +38.37 ± 14.26 0 32 131 87 0 +77.71 ± 29.68
427611 ncm-dbt-04 564331 500 167 105 228 +43.3 ± 14.56 0 30 130 88 2 +85.04 ± 29.79
427610 ncm-dbt-01 582444 500 162 102 236 +41.89 ± 15.12 1 33 122 93 1 +85.04 ± 30.9
427609 ncm-dbt-05 582527 500 154 97 249 +39.78 ± 14.61 0 31 134 82 3 +76.25 ± 29.26
427608 ncm-dbt-02 585674 500 165 97 238 +47.55 ± 14.66 1 26 129 92 2 +95.44 ± 29.88
427607 ncm-dbt-03 584243 500 163 103 234 +41.89 ± 14.34 0 31 128 91 0 +85.04 ± 30.07
427606 ncm-dbt-04 568633 500 166 102 232 +44.72 ± 14.64 0 31 125 93 1 +89.48 ± 30.48
427605 ncm-dbt-01 583656 500 160 96 244 +44.72 ± 15.15 0 34 120 94 2 +88.0 ± 31.17
427604 ncm-dbt-05 580489 500 152 117 231 +24.36 ± 14.5 1 38 136 75 0 +50.38 ± 29.09
427603 ncm-dbt-02 587749 500 144 110 246 +23.66 ± 13.65 0 35 146 69 0 +47.55 ± 27.73
427602 ncm-dbt-03 585126 500 154 95 251 +41.19 ± 14.57 0 33 125 92 0 +83.57 ± 30.49
427601 ncm-dbt-04 567680 500 154 92 254 +43.3 ± 14.02 0 28 132 90 0 +88.0 ± 29.49
427600 ncm-dbt-01 583614 500 158 102 240 +39.08 ± 14.31 0 32 130 88 0 +79.17 ± 29.81
427599 ncm-dbt-05 576128 500 166 101 233 +45.42 ± 14.81 1 29 125 94 1 +92.46 ± 30.47
427598 ncm-dbt-02 586097 500 155 102 243 +36.97 ± 14.17 0 32 133 85 0 +74.79 ± 29.41
427597 ncm-dbt-03 584327 500 153 101 246 +36.27 ± 15.04 1 36 123 90 0 +74.79 ± 30.78
427596 ncm-dbt-04 570108 500 162 102 236 +41.89 ± 14.61 0 33 124 93 0 +85.04 ± 30.63
427595 ncm-dbt-05 577971 500 163 93 244 +48.96 ± 15.0 0 31 120 97 2 +96.94 ± 31.16
427594 ncm-dbt-01 583279 500 157 95 248 +43.3 ± 14.95 0 34 121 94 1 +86.52 ± 31.04
427593 ncm-dbt-02 586943 500 164 100 236 +44.72 ± 14.24 0 29 128 93 0 +90.97 ± 30.05
427592 ncm-dbt-03 583447 500 157 86 257 +49.67 ± 14.24 0 26 128 95 1 +99.95 ± 30.0
427591 ncm-dbt-04 567878 500 163 94 243 +48.26 ± 14.96 1 30 118 101 0 +99.95 ± 31.44
427590 ncm-dbt-05 581902 500 156 103 241 +36.97 ± 14.17 1 29 136 84 0 +76.25 ± 28.98
427589 ncm-dbt-01 585464 500 155 92 253 +44.01 ± 13.92 0 26 136 87 1 +88.0 ± 28.9
427588 ncm-dbt-02 587494 500 156 87 257 +48.25 ± 14.43 0 28 126 95 1 +96.94 ± 30.31
427587 ncm-dbt-03 585717 500 164 91 245 +51.09 ± 13.76 0 23 131 96 0 +104.49 ± 29.52

Commit

Commit ID 7cd650f435715f73550d1f8031315e65b701d631
Author pb00067
Date 2023-05-20 08:16:04 UTC
Simplify SEE verfication logic Passed STC https://tests.stockfishchess.org/tests/view/6461d51887f6567dd4df27d0 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 177056 W: 47181 L: 47118 D: 82757 Ptnml(0-2): 456, 19381, 48792, 19442, 457 Passed LTC https://tests.stockfishchess.org/tests/view/64631a9287f6567dd4df4502 2.94 (-2.94,2.94) <-1.75,0.25> Total: 104346 W: 28062 L: 27935 D: 48349 Ptnml(0-2): 25, 10190, 31631, 10287, 40 closes https://github.com/official-stockfish/Stockfish/pull/4578 bench: 2903251
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