Dev Builds » 20230706-2103

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 06:52:10 583338 4000 1346 732 1922 +53.76 ± 5.06 2 198 989 806 5 +109.64 ± 10.79
ncm-dbt-02 06:54:06 586313 3992 1369 706 1917 +58.24 ± 4.97 2 162 1015 805 12 +118.0 ± 10.59
ncm-dbt-03 06:51:32 584737 4000 1345 677 1978 +58.57 ± 4.96 0 175 986 835 4 +119.89 ± 10.78
ncm-dbt-04 06:54:31 568432 4014 1349 690 1975 +57.56 ± 5.04 2 176 1004 811 14 +116.14 ± 10.68
ncm-dbt-05 06:55:09 580633 3994 1324 709 1961 +53.93 ± 4.91 1 177 1028 788 3 +110.2 ± 10.52
20000 6733 3514 9753 +56.41 ± 2.23 7 888 5022 4045 38 +114.76 ± 4.77

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
426157 ncm-dbt-04 568872 14 4 3 7 +24.82 ± 45.76 0 0 6 1 0 +49.92 ± 94.39
426156 ncm-dbt-02 585801 492 156 86 250 +49.77 ± 14.56 0 26 126 92 2 +98.6 ± 30.24
426155 ncm-dbt-05 582235 494 163 84 247 +56.04 ± 14.28 0 24 120 103 0 +115.16 ± 31.08
426154 ncm-dbt-01 582485 500 170 92 238 +54.64 ± 14.89 0 29 115 105 1 +110.6 ± 31.86
426153 ncm-dbt-03 581943 500 170 83 247 +61.07 ± 14.38 0 24 115 111 0 +126.18 ± 31.84
426152 ncm-dbt-04 567284 500 168 86 246 +57.5 ± 15.54 0 30 112 104 4 +112.14 ± 32.29
426151 ncm-dbt-02 586943 500 170 101 229 +48.25 ± 14.03 1 21 138 88 2 +96.94 ± 28.52
426150 ncm-dbt-05 581070 500 166 98 236 +47.55 ± 13.99 0 26 130 94 0 +96.94 ± 29.72
426149 ncm-dbt-01 584243 500 161 94 245 +46.84 ± 14.09 0 27 129 94 0 +95.44 ± 29.88
426148 ncm-dbt-03 583908 500 174 91 235 +58.21 ± 14.39 0 24 120 105 1 +118.33 ± 31.1
426147 ncm-dbt-04 569071 500 174 78 248 +67.55 ± 13.21 0 14 126 110 0 +140.62 ± 29.93
426146 ncm-dbt-05 581444 500 166 88 246 +54.64 ± 13.8 0 21 131 97 1 +110.6 ± 29.47
426145 ncm-dbt-02 587070 500 165 82 253 +58.21 ± 13.4 0 18 131 101 0 +119.89 ± 29.37
426144 ncm-dbt-01 582193 500 170 81 249 +62.51 ± 14.58 0 23 117 108 2 +126.18 ± 31.53
426143 ncm-dbt-03 583572 500 166 92 242 +51.8 ± 13.37 0 20 136 94 0 +106.01 ± 28.73
426142 ncm-dbt-04 567918 500 158 89 253 +48.25 ± 14.16 0 26 130 93 1 +96.94 ± 29.72
426141 ncm-dbt-05 579001 500 177 93 230 +58.93 ± 14.15 0 23 120 107 0 +121.46 ± 31.09
426140 ncm-dbt-02 585759 500 178 79 243 +69.71 ± 13.74 0 16 120 113 1 +143.89 ± 30.92
426139 ncm-dbt-01 585379 500 158 81 261 +53.93 ± 14.73 1 25 121 102 1 +110.6 ± 30.98
426138 ncm-dbt-03 587155 500 165 86 249 +55.36 ± 13.98 0 22 128 99 1 +112.14 ± 29.92
426137 ncm-dbt-04 570148 500 168 95 237 +51.09 ± 13.33 0 18 143 87 2 +101.46 ± 27.68
426136 ncm-dbt-02 586350 500 180 96 224 +58.93 ± 13.43 0 18 130 102 0 +121.46 ± 29.51
426135 ncm-dbt-03 583154 500 172 79 249 +65.38 ± 13.72 0 18 121 111 0 +135.76 ± 30.83
426134 ncm-dbt-05 579909 500 159 86 255 +51.09 ± 13.62 0 22 133 95 0 +104.49 ± 29.21
426133 ncm-dbt-01 582527 500 175 93 232 +57.5 ± 13.8 0 20 129 100 1 +116.78 ± 29.72
426132 ncm-dbt-04 568554 500 164 85 251 +55.36 ± 14.79 1 24 122 101 2 +112.14 ± 30.83
426131 ncm-dbt-02 586139 500 171 92 237 +55.36 ± 14.26 0 23 127 98 2 +110.6 ± 30.08
426130 ncm-dbt-03 585759 500 150 80 270 +48.96 ± 13.65 0 23 134 93 0 +99.95 ± 29.1
426129 ncm-dbt-01 583698 500 158 102 240 +39.08 ± 14.44 0 33 128 89 0 +79.17 ± 30.09
426128 ncm-dbt-05 577889 500 155 81 264 +51.8 ± 13.37 0 20 136 94 0 +106.01 ± 28.73
426127 ncm-dbt-04 565863 500 168 79 253 +62.51 ± 14.44 1 21 116 112 0 +130.94 ± 31.66
426126 ncm-dbt-03 586393 500 182 83 235 +69.71 ± 14.03 0 18 116 115 1 +143.89 ± 31.59
426125 ncm-dbt-02 586985 500 164 90 246 +51.8 ± 15.01 0 29 121 97 3 +101.46 ± 31.01
426124 ncm-dbt-01 582819 500 174 100 226 +51.8 ± 14.08 1 22 129 98 0 +107.54 ± 29.8
426123 ncm-dbt-04 568355 500 173 86 241 +61.07 ± 14.38 0 22 121 105 2 +123.02 ± 30.92
426122 ncm-dbt-05 580572 500 161 88 251 +51.09 ± 14.04 0 24 130 95 1 +102.97 ± 29.68
426121 ncm-dbt-01 583363 500 180 89 231 +63.95 ± 13.8 0 19 121 110 0 +132.54 ± 30.86
426120 ncm-dbt-03 586012 500 166 83 251 +58.21 ± 14.66 0 26 116 107 1 +118.33 ± 31.7
426119 ncm-dbt-02 585464 500 185 80 235 +74.06 ± 13.74 1 11 122 114 2 +153.86 ± 30.44
426118 ncm-dbt-04 569829 500 172 89 239 +58.21 ± 14.25 0 21 128 98 3 +115.23 ± 29.89
426117 ncm-dbt-05 582945 500 177 91 232 +60.36 ± 13.93 1 17 128 103 1 +124.6 ± 29.8

Commit

Commit ID e699fee513ce26b3794ac43d08826c89106e10ea
Author Linmiao Xu
Date 2023-07-06 21:03:58 UTC
Update default net to nn-c38c3d8d3920.nnue This was a later epoch from the same experiment that led to the previous master net. After training, it was prepared the same way: 1. greedy permuting L1 weights with https://github.com/official-stockfish/Stockfish/pull/4620 2. leb128 compression with https://github.com/glinscott/nnue-pytorch/pull/251 3. greedy 2- and 3- cycle permuting with https://github.com/official-stockfish/Stockfish/pull/4640 Local elo at 25k nodes per move (vs. L1-1536 nn-fdc1d0fe6455.nnue): nn-epoch739.nnue : 20.2 +/- 1.7 Passed STC: https://tests.stockfishchess.org/tests/view/64a050b33ee09aa549c4e4c8 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 195552 W: 49977 L: 49430 D: 96145 Ptnml(0-2): 556, 22775, 50607, 23242, 596 Passed LTC: https://tests.stockfishchess.org/tests/view/64a127bd3ee09aa549c4f60c LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 235452 W: 60327 L: 59609 D: 115516 Ptnml(0-2): 119, 25173, 66426, 25887, 121 closes https://github.com/official-stockfish/Stockfish/pull/4666 bench 2427629
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