Dev Builds » 20230604-2056

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 06:56:28 583140 4016 1298 770 1948 +45.94 ± 5.01 2 215 1050 735 6 +92.81 ± 10.43
ncm-dbt-02 06:55:22 585065 4000 1299 807 1894 +42.95 ± 5.08 4 224 1058 704 10 +86.15 ± 10.39
ncm-dbt-03 06:55:56 585696 3990 1289 768 1933 +45.63 ± 5.17 3 233 1008 742 9 +91.76 ± 10.69
ncm-dbt-04 06:56:23 570879 4016 1306 732 1978 +50.0 ± 5.08 2 214 1006 780 6 +101.41 ± 10.7
ncm-dbt-05 06:54:55 583773 3978 1303 744 1931 +49.15 ± 5.15 2 212 1016 743 16 +97.7 ± 10.63
20000 6495 3821 9684 +46.73 ± 2.28 13 1098 5138 3704 47 +93.95 ± 4.72

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
408768 ncm-dbt-04 570348 16 6 2 8 +88.68 ± 65.24 0 0 4 4 0 +190.76 ± 189.19
408767 ncm-dbt-01 582652 16 4 2 10 +43.65 ± 82.55 0 1 4 3 0 +88.74 ± 190.27
408766 ncm-dbt-05 583447 478 149 91 238 +42.36 ± 15.85 0 35 114 87 3 +81.41 ± 31.99
408765 ncm-dbt-03 586308 490 157 99 234 +41.32 ± 14.12 0 27 134 83 1 +82.34 ± 29.13
408764 ncm-dbt-02 584579 500 172 98 230 +51.8 ± 14.49 1 24 126 98 1 +106.01 ± 30.26
408763 ncm-dbt-04 570549 500 157 96 247 +42.6 ± 14.91 1 32 122 95 0 +88.0 ± 30.9
408762 ncm-dbt-01 586139 500 153 87 260 +46.13 ± 13.77 0 25 134 91 0 +93.95 ± 29.15
408761 ncm-dbt-05 581111 500 169 96 235 +51.09 ± 14.31 0 26 126 97 1 +102.97 ± 30.28
408760 ncm-dbt-03 586054 500 177 86 237 +63.95 ± 14.91 1 22 114 111 2 +130.94 ± 31.98
408759 ncm-dbt-02 583782 500 163 105 232 +40.48 ± 15.29 2 32 123 92 1 +83.57 ± 30.77
408758 ncm-dbt-01 582736 500 170 101 229 +48.25 ± 15.09 0 32 119 97 2 +95.44 ± 31.3
408757 ncm-dbt-04 569829 500 160 99 241 +42.6 ± 13.84 0 27 135 88 0 +86.52 ± 29.06
408756 ncm-dbt-05 580613 500 165 100 235 +45.42 ± 14.28 0 28 130 91 1 +90.97 ± 29.76
408755 ncm-dbt-03 584369 500 153 91 256 +43.3 ± 14.56 1 27 133 87 2 +86.52 ± 29.35
408754 ncm-dbt-02 585211 500 167 104 229 +44.01 ± 13.65 0 23 143 82 2 +86.52 ± 27.87
408753 ncm-dbt-04 571592 500 173 80 247 +65.38 ± 14.14 1 17 121 110 1 +135.76 ± 30.83
408752 ncm-dbt-01 579702 500 153 90 257 +44.01 ± 14.73 0 32 124 93 1 +88.0 ± 30.62
408751 ncm-dbt-05 581860 500 163 90 247 +51.09 ± 13.62 0 21 136 92 1 +102.97 ± 28.77
408750 ncm-dbt-03 585970 500 170 96 234 +51.8 ± 14.22 0 24 130 94 2 +102.97 ± 29.68
408749 ncm-dbt-02 586943 500 164 93 243 +49.67 ± 14.38 0 26 129 93 2 +98.44 ± 29.86
408748 ncm-dbt-01 583489 500 157 95 248 +43.3 ± 13.88 0 26 137 86 1 +86.52 ± 28.77
408747 ncm-dbt-04 572195 500 163 95 242 +47.54 ± 14.66 0 29 126 93 2 +93.95 ± 30.32
408746 ncm-dbt-05 581902 500 167 87 246 +56.07 ± 14.15 0 21 131 95 3 +110.6 ± 29.47
408745 ncm-dbt-03 586054 500 156 88 256 +47.55 ± 15.05 1 30 120 98 1 +96.94 ± 31.16
408744 ncm-dbt-02 584622 500 164 114 222 +34.86 ± 12.61 0 22 156 72 0 +70.44 ± 26.06
408743 ncm-dbt-04 569709 500 168 86 246 +57.5 ± 13.94 0 21 127 101 1 +116.78 ± 30.03
408742 ncm-dbt-01 585337 500 156 95 249 +42.6 ± 15.16 1 33 121 94 1 +86.52 ± 31.04
408741 ncm-dbt-05 587197 500 159 95 246 +44.72 ± 14.64 2 23 137 85 3 +89.48 ± 28.74
408740 ncm-dbt-03 586181 500 168 108 224 +41.89 ± 14.87 0 35 120 95 0 +85.04 ± 31.17
408739 ncm-dbt-02 583992 500 155 120 225 +24.36 ± 14.88 0 43 130 76 1 +47.55 ± 29.89
408738 ncm-dbt-01 583782 500 160 104 236 +39.08 ± 13.05 0 23 148 79 0 +79.17 ± 27.19
408737 ncm-dbt-04 571351 500 165 98 237 +46.84 ± 13.95 0 24 137 87 2 +92.46 ± 28.72
408736 ncm-dbt-05 587622 500 171 94 235 +53.93 ± 15.5 0 31 115 100 4 +104.49 ± 31.86
408735 ncm-dbt-03 584706 500 147 93 260 +37.67 ± 15.13 0 38 121 90 1 +74.79 ± 31.04
408734 ncm-dbt-04 570749 500 163 86 251 +53.93 ± 14.99 0 31 111 108 0 +110.6 ± 32.43
408733 ncm-dbt-02 585759 500 146 87 267 +41.19 ± 14.17 0 30 131 89 0 +83.57 ± 29.65
408732 ncm-dbt-01 581693 500 160 86 254 +51.8 ± 13.8 1 19 136 93 1 +106.01 ± 28.73
408731 ncm-dbt-05 586435 500 160 91 249 +48.25 ± 14.16 0 27 127 96 0 +98.44 ± 30.15
408730 ncm-dbt-03 585928 500 161 107 232 +37.67 ± 13.95 0 30 136 84 0 +76.25 ± 28.98
408729 ncm-dbt-02 585632 500 168 86 246 +57.5 ± 15.03 1 24 120 102 3 +115.23 ± 31.11
408728 ncm-dbt-01 582736 500 185 110 205 +52.51 ± 13.98 0 24 127 99 0 +107.54 ± 30.1
408727 ncm-dbt-04 571592 500 151 90 259 +42.6 ± 14.65 0 33 123 94 0 +86.52 ± 30.76

Commit

Commit ID 6cf8d938c5950ddedb8a92cdea4712f7d507c614
Author Linmiao Xu
Date 2023-06-04 20:56:44 UTC
Simplify blending nnue complexity with optimism Passed non-regression STC: https://tests.stockfishchess.org/tests/view/6478a26d54dd118e1d98f21c LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 241248 W: 64058 L: 64063 D: 113127 Ptnml(0-2): 644, 26679, 65960, 26720, 621 Passed non-regression LTC: https://tests.stockfishchess.org/tests/view/647b464854dd118e1d9928b2 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 24336 W: 6658 L: 6451 D: 11227 Ptnml(0-2): 8, 2316, 7312, 2525, 7 closes https://github.com/official-stockfish/Stockfish/pull/4602 bench 2425813
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