Dev Builds » 20220713-1600

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 06:55:24 581791 4000 1097 938 1965 +13.82 ± 5.04 9 333 1151 504 3 +28.73 ± 9.91
ncm-dbt-02 06:57:00 586416 4012 1131 952 1929 +15.51 ± 5.17 8 353 1101 540 4 +31.78 ± 10.21
ncm-dbt-03 06:57:48 584116 3994 1073 933 1988 +12.18 ± 5.26 8 380 1078 526 5 +24.92 ± 10.34
ncm-dbt-04 06:56:52 568439 4002 1146 954 1902 +16.68 ± 5.09 3 345 1115 533 5 +33.09 ± 10.12
ncm-dbt-05 06:57:40 581211 3992 1127 907 1958 +19.17 ± 5.17 5 336 1096 552 7 +38.1 ± 10.22
20000 5574 4684 9742 +15.47 ± 2.3 33 1747 5541 2655 24 +31.32 ± 4.54

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
415725 ncm-dbt-04 569390 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
415724 ncm-dbt-02 586435 12 3 3 6 -0.0 ± 81.87 0 1 4 1 0 -0.0 ± 173.65
415723 ncm-dbt-05 581860 492 149 115 228 +24.05 ± 14.68 1 38 133 74 0 +49.77 ± 29.44
415722 ncm-dbt-03 582945 494 146 108 240 +26.78 ± 14.16 0 36 137 74 0 +53.88 ± 28.89
415721 ncm-dbt-01 583154 500 136 116 248 +13.9 ± 13.81 0 41 149 59 1 +26.46 ± 27.39
415720 ncm-dbt-04 568474 500 155 119 226 +25.06 ± 15.06 0 45 124 81 0 +50.38 ± 30.66
415719 ncm-dbt-02 584664 500 142 125 233 +11.82 ± 14.3 0 47 139 64 0 +23.66 ± 28.75
415718 ncm-dbt-03 585970 500 138 115 247 +15.99 ± 15.38 1 48 130 69 2 +30.65 ± 29.9
415717 ncm-dbt-05 581693 500 147 104 249 +29.95 ± 14.37 0 36 136 77 1 +58.93 ± 29.06
415716 ncm-dbt-01 581610 500 136 107 257 +20.18 ± 13.51 1 33 152 64 0 +41.89 ± 26.91
415715 ncm-dbt-02 587452 500 142 117 241 +17.39 ± 15.24 1 47 129 72 1 +34.86 ± 30.03
415714 ncm-dbt-04 568792 500 145 110 245 +24.36 ± 14.11 0 37 142 70 1 +47.55 ± 28.28
415713 ncm-dbt-03 582819 500 128 122 250 +4.17 ± 13.34 0 45 154 51 0 +8.34 ± 26.74
415712 ncm-dbt-05 579661 500 140 117 243 +15.99 ± 14.51 1 42 141 65 1 +32.05 ± 28.47
415711 ncm-dbt-01 581569 500 132 124 244 +5.56 ± 14.02 1 46 147 56 0 +12.51 ± 27.7
415710 ncm-dbt-02 588260 500 130 109 261 +14.6 ± 14.65 2 42 139 67 0 +32.05 ± 28.73
415709 ncm-dbt-04 567601 500 128 120 252 +5.56 ± 14.02 0 49 144 57 0 +11.12 ± 28.1
415708 ncm-dbt-03 584622 500 119 118 263 +0.69 ± 16.18 3 60 121 65 1 +4.17 ± 31.02
415707 ncm-dbt-01 584369 500 143 125 232 +12.51 ± 13.96 1 41 147 61 0 +26.46 ± 27.67
415706 ncm-dbt-05 582652 500 144 96 260 +33.46 ± 15.12 1 37 126 85 1 +67.55 ± 30.39
415705 ncm-dbt-02 586266 500 148 116 236 +22.27 ± 15.95 1 51 113 85 0 +46.13 ± 32.02
415704 ncm-dbt-04 568236 500 135 113 252 +15.3 ± 14.71 0 47 135 67 1 +29.25 ± 29.26
415703 ncm-dbt-03 582569 500 136 121 243 +10.43 ± 15.56 4 46 131 69 0 +26.46 ± 29.78
415702 ncm-dbt-01 582152 500 145 121 234 +16.69 ± 14.04 1 39 145 65 0 +34.86 ± 27.92
415701 ncm-dbt-05 581777 500 139 121 240 +12.51 ± 14.36 1 44 141 64 0 +26.46 ± 28.48
415700 ncm-dbt-04 568355 500 162 126 212 +25.06 ± 14.16 0 37 141 71 1 +48.96 ± 28.41
415699 ncm-dbt-02 585548 500 150 115 235 +24.36 ± 13.56 0 34 147 69 0 +48.96 ± 27.58
415698 ncm-dbt-01 580821 500 127 121 252 +4.17 ± 14.54 2 47 145 55 1 +9.73 ± 27.97
415697 ncm-dbt-03 582945 500 135 114 251 +14.6 ± 14.53 0 46 138 65 1 +27.85 ± 28.87
415696 ncm-dbt-04 568196 500 148 126 226 +15.3 ± 13.66 0 39 151 59 1 +29.25 ± 27.11
415695 ncm-dbt-05 579826 500 125 124 251 +0.69 ± 14.23 0 52 147 49 2 -1.39 ± 27.7
415694 ncm-dbt-02 583237 500 138 125 237 +9.04 ± 14.06 1 44 146 59 0 +19.48 ± 27.82
415693 ncm-dbt-01 581902 500 140 111 249 +20.17 ± 13.92 0 38 146 65 1 +39.08 ± 27.76
415692 ncm-dbt-02 587452 500 144 123 233 +14.6 ± 14.4 0 43 146 58 3 +25.06 ± 27.81
415691 ncm-dbt-03 586816 500 142 128 230 +9.73 ± 14.38 0 48 141 60 1 +18.08 ± 28.49
415690 ncm-dbt-04 567601 500 131 123 246 +5.56 ± 14.92 2 49 139 59 1 +12.51 ± 28.76
415689 ncm-dbt-05 577561 500 135 119 246 +11.12 ± 14.5 1 45 142 61 1 +22.27 ± 28.35
415688 ncm-dbt-01 578753 500 138 113 249 +17.39 ± 15.96 3 48 120 79 0 +39.08 ± 31.16
415687 ncm-dbt-04 569310 500 142 116 242 +18.08 ± 14.42 1 41 139 69 0 +37.67 ± 28.72
415686 ncm-dbt-02 588430 500 134 119 247 +10.43 ± 14.95 3 44 138 65 0 +25.06 ± 28.88
415685 ncm-dbt-05 584664 500 148 111 241 +25.76 ± 14.86 0 42 130 77 1 +50.38 ± 29.88
415684 ncm-dbt-03 584243 500 129 107 264 +15.3 ± 15.09 0 51 126 73 0 +30.65 ± 30.41

Commit

Commit ID 95d24b77dfe8a147100d9753c5580563c3e642d2
Author Michael Chaly
Date 2022-07-13 16:00:39 UTC
Simplify away some unneeded code in time management The lower bound of the clamp is never used since complexity can't be negative and thus is unneeded. closes https://github.com/official-stockfish/Stockfish/pull/4105 No functional change
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