Dev Builds » 20220607-0634

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 06:49:17 584876 4000 1100 948 1952 +13.21 ± 5.19 5 372 1095 522 6 +26.28 ± 10.24
ncm-dbt-02 06:49:37 587027 4000 1066 1001 1933 +5.65 ± 5.16 4 410 1109 471 6 +10.95 ± 10.16
ncm-dbt-03 06:49:26 586912 4000 1069 984 1947 +7.38 ± 5.36 10 415 1064 502 9 +14.95 ± 10.42
ncm-dbt-04 06:50:32 570985 4000 1095 990 1915 +9.12 ± 5.21 2 410 1071 515 2 +18.26 ± 10.38
ncm-dbt-05 06:49:21 584967 4000 1131 945 1924 +16.17 ± 5.31 6 369 1071 541 13 +31.18 ± 10.37
20000 5461 4868 9671 +10.3 ± 2.35 27 1976 5410 2551 36 +20.31 ± 4.61

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
398092 ncm-dbt-03 586477 500 141 124 235 +11.82 ± 15.31 0 53 129 66 2 +20.87 ± 30.03
398091 ncm-dbt-04 570789 500 132 134 234 -1.39 ± 14.68 0 59 134 57 0 -2.78 ± 29.41
398090 ncm-dbt-05 585084 500 157 116 227 +28.55 ± 14.79 1 37 133 78 1 +57.5 ± 29.47
398089 ncm-dbt-02 584916 500 132 141 227 -6.25 ± 14.34 1 57 142 50 0 -11.12 ± 28.37
398088 ncm-dbt-01 583866 500 126 118 256 +5.56 ± 13.88 0 47 149 53 1 +9.73 ± 27.43
398087 ncm-dbt-03 586266 500 123 125 252 -1.39 ± 14.68 3 49 146 51 1 -0.0 ± 27.84
398086 ncm-dbt-04 571310 500 131 124 245 +4.86 ± 14.73 0 55 133 62 0 +9.73 ± 29.53
398085 ncm-dbt-05 583321 500 132 131 237 +0.69 ± 14.99 1 55 138 54 2 -0.0 ± 28.89
398084 ncm-dbt-02 589326 500 133 117 250 +11.12 ± 14.63 0 50 134 66 0 +22.27 ± 29.4
398083 ncm-dbt-01 584916 500 129 122 249 +4.86 ± 16.18 1 63 115 70 1 +9.73 ± 31.74
398082 ncm-dbt-03 585970 500 130 133 237 -2.08 ± 14.99 3 52 141 53 1 -1.39 ± 28.5
398081 ncm-dbt-05 583698 500 156 112 232 +30.65 ± 14.81 1 36 132 80 1 +61.79 ± 29.59
398080 ncm-dbt-04 570589 500 141 131 228 +6.95 ± 14.4 0 51 138 61 0 +13.9 ± 28.89
398079 ncm-dbt-02 583698 500 129 122 249 +4.87 ± 14.22 1 48 144 57 0 +11.12 ± 28.1
398078 ncm-dbt-01 585590 500 132 123 245 +6.25 ± 15.46 1 56 127 65 1 +12.51 ± 30.29
398077 ncm-dbt-03 588515 500 134 112 254 +15.3 ± 15.33 0 52 125 72 1 +29.25 ± 30.53
398076 ncm-dbt-05 585379 500 139 113 248 +18.08 ± 14.8 1 41 142 63 3 +33.46 ± 28.33
398075 ncm-dbt-02 587792 500 128 128 244 0.0 ± 14.93 1 57 133 59 0 +1.39 ± 29.53
398074 ncm-dbt-04 571391 500 148 107 245 +28.55 ± 14.92 0 41 128 80 1 +56.07 ± 30.14
398073 ncm-dbt-01 584874 500 146 131 223 +10.43 ± 15.2 1 52 128 69 0 +22.27 ± 30.16
398072 ncm-dbt-05 587537 500 137 114 249 +15.99 ± 14.76 1 43 140 64 2 +30.65 ± 28.6
398071 ncm-dbt-03 587664 500 141 107 252 +23.66 ± 14.71 0 43 130 77 0 +47.55 ± 29.89
398070 ncm-dbt-02 587749 500 128 134 238 -4.17 ± 14.54 0 58 142 48 2 -11.12 ± 28.37
398069 ncm-dbt-01 587070 500 140 114 246 +18.08 ± 13.89 0 39 147 63 1 +34.86 ± 27.64
398068 ncm-dbt-04 572396 500 136 123 241 +9.04 ± 14.96 0 54 129 67 0 +18.08 ± 30.03
398067 ncm-dbt-05 582819 500 140 123 237 +11.82 ± 15.31 0 55 123 72 0 +23.66 ± 30.78
398066 ncm-dbt-03 585759 500 140 139 221 +0.69 ± 15.6 2 56 134 55 3 -0.0 ± 29.41
398065 ncm-dbt-02 587919 500 146 115 239 +21.57 ± 15.43 0 47 128 72 3 +39.08 ± 30.15
398064 ncm-dbt-01 583070 500 145 106 249 +27.15 ± 14.18 0 36 140 73 1 +53.22 ± 28.53
398063 ncm-dbt-04 569390 500 140 119 241 +14.6 ± 14.65 0 47 136 66 1 +27.85 ± 29.13
398062 ncm-dbt-02 586308 500 142 122 236 +13.9 ± 14.21 0 44 143 62 1 +26.46 ± 28.21
398061 ncm-dbt-03 586901 500 133 121 246 +8.34 ± 15.63 1 56 124 68 1 +16.69 ± 30.66
398060 ncm-dbt-05 586097 500 139 125 236 +9.73 ± 15.98 1 56 124 66 3 +16.69 ± 30.66
398059 ncm-dbt-04 570789 500 138 127 235 +7.65 ± 14.84 1 51 134 64 0 +16.69 ± 29.4
398058 ncm-dbt-01 584916 500 142 109 249 +22.97 ± 14.13 2 33 145 70 0 +48.96 ± 27.86
398057 ncm-dbt-03 587749 500 127 123 250 +2.78 ± 14.8 1 54 135 60 0 +6.95 ± 29.28
398056 ncm-dbt-02 588515 500 128 122 250 +4.17 ± 14.28 1 49 143 57 0 +9.73 ± 28.23
398055 ncm-dbt-04 571230 500 129 125 246 +2.78 ± 14.55 1 52 139 58 0 +6.95 ± 28.76
398054 ncm-dbt-05 585801 500 131 111 258 +13.9 ± 14.47 0 46 139 64 1 +26.46 ± 28.74
398053 ncm-dbt-01 584706 500 140 125 235 +10.42 ± 14.18 0 46 144 59 1 +19.48 ± 28.09

Commit

Commit ID 00297cfef0ad604a61aaff2747dea029fa6aa733
Author candirufish
Date 2022-06-07 06:34:14 UTC
Use qsearch on step 11 if depth is equal to or below 0 larger reduction of depth if no TT entry is found, and go in qsearch as needed. stc: https://tests.stockfishchess.org/tests/view/629dfacd593a4a9b6482db72 LLR: 2.93 (-2.94,2.94) <0.00,2.50> Total: 31920 W: 8591 L: 8322 D: 15007 Ptnml(0-2): 127, 3551, 8376, 3738, 168 ltc: https://tests.stockfishchess.org/tests/view/629e304e593a4a9b6482e451 LLR: 2.95 (-2.94,2.94) <0.50,3.00> Total: 17488 W: 4842 L: 4614 D: 8032 Ptnml(0-2): 13, 1670, 5151, 1896, 14 closes https://github.com/official-stockfish/Stockfish/pull/4056 Bench: 5870283
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