Dev Builds » 20231202-1038

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 06:55:18 582029 3996 1382 691 1923 +60.69 ± 4.88 2 147 1014 828 7 +124.34 ± 10.57
ncm-dbt-02 06:55:42 584841 4012 1424 659 1929 +67.07 ± 5.12 1 170 910 913 12 +137.32 ± 11.27
ncm-dbt-03 06:55:55 584613 4006 1411 707 1888 +61.7 ± 5.12 3 178 944 868 10 +126.17 ± 11.06
ncm-dbt-04 06:54:45 568242 3994 1408 654 1932 +66.39 ± 5.05 1 153 951 875 17 +134.77 ± 10.99
ncm-dbt-05 06:56:07 578632 3992 1385 661 1946 +63.72 ± 4.94 1 152 971 866 6 +131.03 ± 10.86
20000 7010 3372 9618 +63.91 ± 2.25 8 800 4790 4350 52 +130.7 ± 4.9

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
421573 ncm-dbt-03 587409 6 1 0 5 +58.33 ± 98.71 0 0 2 1 0 +120.24 ± 264.77
421572 ncm-dbt-02 584664 12 6 2 4 +120.31 ± 75.55 0 0 2 4 0 +279.41 ± 548.26
421571 ncm-dbt-01 581652 496 177 87 232 +63.75 ± 12.97 1 10 135 102 0 +133.72 ± 28.4
421570 ncm-dbt-04 566572 494 176 70 248 +75.73 ± 14.06 0 14 116 114 3 +154.28 ± 31.45
421569 ncm-dbt-05 572356 492 171 86 235 +60.63 ± 13.66 0 18 125 103 0 +125.2 ± 30.19
421568 ncm-dbt-03 586181 500 179 92 229 +61.07 ± 14.24 0 23 117 110 0 +126.18 ± 31.53
421567 ncm-dbt-02 585885 500 180 83 237 +68.27 ± 15.34 0 27 101 120 2 +138.99 ± 33.98
421566 ncm-dbt-01 582110 500 178 78 244 +70.43 ± 14.2 0 17 119 111 3 +142.26 ± 31.1
421565 ncm-dbt-04 569430 500 169 86 245 +58.21 ± 14.66 0 25 119 104 2 +116.78 ± 31.26
421564 ncm-dbt-05 583196 500 181 80 239 +71.16 ± 13.79 0 17 115 118 0 +148.85 ± 31.72
421563 ncm-dbt-03 585084 500 180 99 221 +56.78 ± 14.32 0 23 125 100 2 +113.68 ± 30.37
421562 ncm-dbt-02 582318 500 176 76 248 +70.43 ± 14.05 0 18 115 116 1 +145.54 ± 31.75
421561 ncm-dbt-04 567442 500 179 84 237 +66.82 ± 14.34 0 18 123 105 4 +132.54 ± 30.53
421560 ncm-dbt-01 581485 500 181 81 238 +70.43 ± 14.05 0 17 118 113 2 +143.89 ± 31.26
421559 ncm-dbt-05 574500 500 170 79 251 +63.94 ± 13.66 0 17 126 106 1 +130.94 ± 30.05
421558 ncm-dbt-03 584664 500 160 84 256 +53.22 ± 15.59 1 32 108 108 1 +109.07 ± 32.85
421557 ncm-dbt-02 582485 500 175 79 246 +67.55 ± 14.09 0 20 114 116 0 +140.62 ± 31.94
421556 ncm-dbt-01 581361 500 180 97 223 +58.21 ± 13.97 1 18 129 101 1 +119.89 ± 29.69
421555 ncm-dbt-04 568752 500 172 73 255 +69.71 ± 14.86 0 22 110 115 3 +140.62 ± 32.58
421554 ncm-dbt-05 582861 500 167 76 257 +63.94 ± 14.09 0 20 120 109 1 +130.94 ± 31.03
421553 ncm-dbt-03 585970 500 187 83 230 +73.34 ± 14.85 1 19 107 121 2 +152.18 ± 33.05
421552 ncm-dbt-02 585632 500 180 90 230 +63.23 ± 14.47 1 19 121 107 2 +129.35 ± 30.88
421551 ncm-dbt-01 579578 500 173 84 243 +62.51 ± 13.0 0 14 133 103 0 +129.35 ± 28.9
421550 ncm-dbt-04 567640 500 191 72 237 +84.3 ± 13.42 0 10 113 125 2 +176.33 ± 31.78
421549 ncm-dbt-05 580862 500 188 81 231 +75.52 ± 13.79 0 16 111 123 0 +158.93 ± 32.34
421548 ncm-dbt-03 584579 500 173 99 228 +51.8 ± 14.35 1 21 134 91 3 +102.97 ± 29.07
421547 ncm-dbt-02 587707 500 173 86 241 +61.07 ± 14.79 0 27 109 114 0 +126.18 ± 32.74
421546 ncm-dbt-04 568236 500 159 83 258 +53.22 ± 14.69 1 25 122 101 1 +109.07 ± 30.84
421545 ncm-dbt-01 582778 500 162 85 253 +53.93 ± 14.73 0 28 118 103 1 +109.07 ± 31.43
421544 ncm-dbt-05 577930 500 164 81 255 +58.21 ± 14.39 0 23 123 102 2 +116.78 ± 30.65
421543 ncm-dbt-03 583740 500 174 85 241 +62.51 ± 14.03 0 21 119 110 0 +129.35 ± 31.2
421542 ncm-dbt-02 583824 500 180 76 244 +73.33 ± 14.44 0 18 113 116 3 +148.85 ± 32.06
421541 ncm-dbt-04 567561 500 182 87 231 +66.82 ± 13.77 0 17 122 110 1 +137.37 ± 30.65
421540 ncm-dbt-05 580655 500 172 91 237 +56.78 ± 13.62 1 16 135 97 1 +116.78 ± 28.76
421539 ncm-dbt-01 583824 500 164 85 251 +55.36 ± 13.11 0 17 137 96 0 +113.68 ± 28.47
421538 ncm-dbt-02 585126 500 178 91 231 +61.07 ± 14.52 0 25 113 112 0 +126.18 ± 32.14
421537 ncm-dbt-03 583112 500 178 85 237 +65.38 ± 14.29 0 20 119 109 2 +132.54 ± 31.18
421536 ncm-dbt-04 570308 500 180 99 221 +56.78 ± 14.05 0 22 126 101 1 +115.23 ± 30.2
421535 ncm-dbt-01 583447 500 167 94 239 +51.09 ± 14.18 0 26 125 99 0 +104.49 ± 30.42
421534 ncm-dbt-02 585928 500 176 76 248 +70.43 ± 14.2 0 16 122 108 4 +140.62 ± 30.61
421533 ncm-dbt-05 576701 500 172 87 241 +59.64 ± 14.59 0 25 116 108 1 +121.46 ± 31.7
421532 ncm-dbt-03 580779 500 179 80 241 +69.71 ± 14.03 0 19 113 118 0 +145.54 ± 32.08

Commit

Commit ID 883163395ed464d17c6732e227a2d2c3c0b26f1e
Author cj5716
Date 2023-12-02 10:38:18 UTC
Simplify promotion move generation closes https://github.com/official-stockfish/Stockfish/pull/4892 No functional change
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