Dev Builds » 20230929-2012

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 06:55:44 582230 4012 1377 683 1952 +60.71 ± 5.1 2 184 945 868 7 +124.39 ± 11.06
ncm-dbt-02 06:55:12 585644 4000 1356 735 1909 +54.38 ± 5.1 3 197 984 808 8 +110.6 ± 10.82
ncm-dbt-03 06:56:17 582995 3988 1323 693 1972 +55.35 ± 5.07 2 196 967 828 1 +113.85 ± 10.92
ncm-dbt-04 06:54:44 568580 4000 1354 661 1985 +60.81 ± 5.08 1 176 965 845 13 +123.22 ± 10.92
ncm-dbt-05 06:55:49 578755 4000 1380 697 1923 +59.91 ± 5.07 0 179 973 834 14 +120.87 ± 10.87
20000 6790 3469 9741 +58.23 ± 2.27 8 932 4834 4183 43 +118.57 ± 4.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
422783 ncm-dbt-01 580821 12 5 3 4 +58.43 ± 110.55 0 1 2 3 0 +120.41 ± 334.55
422782 ncm-dbt-03 584159 488 148 79 261 +49.46 ± 14.21 0 25 125 94 0 +101.0 ± 30.35
422781 ncm-dbt-04 568275 500 170 88 242 +57.5 ± 15.03 1 25 117 105 2 +116.78 ± 31.56
422780 ncm-dbt-05 577110 500 176 90 234 +60.36 ± 15.67 0 29 111 105 5 +116.78 ± 32.44
422779 ncm-dbt-02 584369 500 167 100 233 +46.84 ± 14.36 0 28 128 93 1 +93.95 ± 30.03
422778 ncm-dbt-01 583992 500 180 95 225 +59.64 ± 14.86 1 24 115 109 1 +123.02 ± 31.84
422777 ncm-dbt-03 584579 500 163 86 251 +53.93 ± 14.05 0 24 125 101 0 +110.6 ± 30.39
422776 ncm-dbt-02 585379 500 175 92 233 +58.21 ± 14.39 1 21 123 104 1 +119.89 ± 30.63
422775 ncm-dbt-05 573365 500 179 93 228 +60.36 ± 13.5 0 17 131 101 1 +123.02 ± 29.33
422774 ncm-dbt-04 569430 500 176 80 244 +67.54 ± 14.09 0 19 117 113 1 +138.99 ± 31.46
422773 ncm-dbt-01 581361 500 168 90 242 +54.65 ± 14.36 1 22 126 100 1 +112.14 ± 30.22
422772 ncm-dbt-03 584453 500 171 94 235 +53.93 ± 14.05 0 24 125 101 0 +110.6 ± 30.39
422771 ncm-dbt-05 580323 500 183 88 229 +66.82 ± 13.63 0 17 121 112 0 +138.99 ± 30.8
422770 ncm-dbt-04 569430 500 171 85 244 +60.36 ± 13.79 0 19 127 103 1 +123.02 ± 29.98
422769 ncm-dbt-02 586308 500 172 84 244 +61.79 ± 14.14 0 20 124 104 2 +124.6 ± 30.44
422768 ncm-dbt-01 581693 500 166 78 256 +61.79 ± 14.41 0 23 117 109 1 +126.18 ± 31.53
422767 ncm-dbt-05 577971 500 172 86 242 +60.36 ± 14.35 0 21 125 101 3 +119.89 ± 30.32
422766 ncm-dbt-04 567720 500 167 77 256 +63.23 ± 13.91 0 19 123 107 1 +129.35 ± 30.56
422765 ncm-dbt-03 581361 500 159 81 260 +54.65 ± 14.63 0 28 116 106 0 +112.14 ± 31.71
422764 ncm-dbt-01 583866 500 178 87 235 +63.95 ± 14.09 0 21 117 112 0 +132.54 ± 31.5
422763 ncm-dbt-02 586266 500 173 98 229 +52.51 ± 14.52 1 25 122 102 0 +109.07 ± 30.84
422762 ncm-dbt-03 580738 500 166 80 254 +60.36 ± 14.07 0 22 120 108 0 +124.6 ± 31.07
422761 ncm-dbt-05 583112 500 164 84 252 +56.07 ± 14.29 0 23 126 99 2 +112.14 ± 30.22
422760 ncm-dbt-04 569350 500 170 69 261 +71.16 ± 13.93 0 16 119 113 2 +145.54 ± 31.07
422759 ncm-dbt-01 582068 500 162 75 263 +61.07 ± 13.96 0 20 124 105 1 +124.6 ± 30.44
422758 ncm-dbt-02 586308 500 165 90 245 +52.51 ± 15.31 0 33 110 106 1 +106.01 ± 32.56
422757 ncm-dbt-03 582318 500 177 109 214 +47.55 ± 14.4 0 29 124 97 0 +96.94 ± 30.59
422756 ncm-dbt-04 568275 500 168 102 230 +46.13 ± 15.36 0 35 116 97 2 +90.97 ± 31.72
422755 ncm-dbt-05 580282 500 158 77 265 +56.78 ± 14.32 0 25 119 106 0 +116.78 ± 31.26
422754 ncm-dbt-01 583028 500 172 95 233 +53.93 ± 15.12 0 30 115 103 2 +107.54 ± 31.86
422753 ncm-dbt-02 586731 500 169 88 243 +56.78 ± 13.33 0 18 133 99 0 +116.78 ± 29.08
422752 ncm-dbt-04 569669 500 172 78 250 +66.1 ± 14.31 0 19 121 107 3 +132.54 ± 30.86
422751 ncm-dbt-03 581652 500 165 73 262 +64.67 ± 14.53 1 21 113 115 0 +135.76 ± 32.12
422750 ncm-dbt-05 577930 500 176 86 238 +63.23 ± 14.2 0 21 119 109 1 +129.35 ± 31.2
422749 ncm-dbt-01 579124 500 174 74 252 +70.44 ± 14.62 0 23 104 123 0 +147.19 ± 33.54
422748 ncm-dbt-02 583950 500 168 87 245 +56.78 ± 14.6 0 26 118 105 1 +115.23 ± 31.41
422747 ncm-dbt-04 566493 500 160 82 258 +54.64 ± 14.22 0 24 125 100 1 +110.6 ± 30.39
422746 ncm-dbt-03 584706 500 174 91 235 +58.21 ± 14.66 1 23 119 106 1 +119.89 ± 31.25
422745 ncm-dbt-02 585843 500 167 96 237 +49.67 ± 14.77 1 26 126 95 2 +99.95 ± 30.29
422744 ncm-dbt-01 584117 500 172 86 242 +60.36 ± 13.93 0 20 125 104 1 +123.02 ± 30.3
422743 ncm-dbt-05 579951 500 172 93 235 +55.36 ± 14.66 0 26 121 101 2 +110.6 ± 30.98

Commit

Commit ID 9739ed7a97c153c3223b608b24717edbf2dfd7bc
Author FauziAkram
Date 2023-09-29 20:12:46 UTC
Simplify pawn count in evaluation This simplifies the evaluation by removing the unnecessary pawn count term when combining nnue and optimism values. Passed STC LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 61472 W: 15748 L: 15554 D: 30170 Ptnml(0-2): 191, 7123, 15933, 7279, 210 https://tests.stockfishchess.org/tests/view/650c34cf7ca0d3f7bbf264ff Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 81264 W: 20657 L: 20500 D: 40107 Ptnml(0-2): 30, 8713, 22997, 8854, 38 https://tests.stockfishchess.org/tests/view/650cc30efb151d43ae6d5987 closes https://github.com/official-stockfish/Stockfish/pull/4800 Bench: 1530568
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