Dev Builds » 20240509-0629

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 06:48:53 584668 4000 1502 604 1894 +79.35 ± 4.9 1 111 889 987 12 +165.58 ± 11.36
ncm-dbt-02 06:50:16 570189 3986 1523 583 1880 +83.51 ± 5.05 2 121 820 1035 15 +175.05 ± 11.88
ncm-dbt-03 06:50:11 576613 4018 1492 617 1909 +76.89 ± 4.99 6 120 885 989 9 +161.51 ± 11.41
ncm-dbt-04 06:50:04 549528 3996 1480 591 1925 +78.61 ± 5.05 1 129 866 984 18 +162.54 ± 11.55
ncm-dbt-05 06:49:30 583994 4000 1467 580 1953 +78.35 ± 5.01 0 131 864 992 13 +162.78 ± 11.56
20000 7464 2975 9561 +79.33 ± 2.24 10 612 4324 4987 67 +165.45 ± 5.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
372925 ncm-dbt-03 589027 482 182 66 234 +85.29 ± 13.77 1 9 104 127 0 +184.18 ± 33.28
372924 ncm-dbt-02 546574 484 182 66 236 +84.92 ± 14.82 1 15 94 131 1 +181.4 ± 35.32
372923 ncm-dbt-04 541117 488 179 75 234 +75.19 ± 14.01 0 15 111 117 1 +156.44 ± 32.27
372922 ncm-dbt-05 583405 500 185 69 246 +82.1 ± 14.13 0 17 100 133 0 +174.55 ± 34.22
372921 ncm-dbt-01 584790 500 182 78 240 +73.34 ± 13.86 1 13 118 117 1 +153.86 ± 31.15
372920 ncm-dbt-04 439042 500 189 81 230 +76.25 ± 14.39 0 15 117 113 5 +152.18 ± 31.35
372919 ncm-dbt-03 479857 500 187 75 238 +79.17 ± 14.76 1 14 112 118 5 +160.64 ± 32.15
372918 ncm-dbt-02 474591 500 185 73 242 +79.17 ± 13.75 0 13 114 121 2 +164.07 ± 31.75
372917 ncm-dbt-05 581652 500 197 75 228 +86.52 ± 13.78 0 12 106 130 2 +181.7 ± 33.07
372916 ncm-dbt-02 584790 2 0 0 2 0.0 ± 34.02 0 0 1 0 0 0.0 ± 30.47
372915 ncm-dbt-04 567958 8 3 0 5 +136.74 ± 187.81 0 0 2 1 1 +190.67 ± 458.56
372914 ncm-dbt-01 585928 500 189 81 230 +76.25 ± 12.89 0 9 125 115 1 +158.93 ± 29.79
372913 ncm-dbt-03 589924 36 12 3 21 +88.73 ± 51.92 0 1 7 10 0 +190.85 ± 141.25
372912 ncm-dbt-05 583866 500 187 73 240 +80.63 ± 13.18 0 11 114 125 0 +171.02 ± 31.66
372911 ncm-dbt-04 565666 500 186 84 230 +71.88 ± 14.67 0 20 111 116 3 +145.54 ± 32.41
372910 ncm-dbt-02 585506 500 198 75 227 +87.26 ± 13.95 0 13 103 132 2 +183.51 ± 33.63
372909 ncm-dbt-01 584579 500 195 64 241 +93.2 ± 13.91 0 12 97 139 2 +198.34 ± 34.72
372908 ncm-dbt-03 588515 500 194 72 234 +86.52 ± 13.16 0 9 111 129 1 +183.51 ± 32.06
372907 ncm-dbt-05 583866 500 180 68 252 +79.17 ± 14.62 0 19 102 127 2 +164.07 ± 33.88
372906 ncm-dbt-04 566020 500 200 73 227 +90.22 ± 14.01 0 11 105 130 4 +187.16 ± 33.21
372905 ncm-dbt-02 586816 500 184 77 239 +75.52 ± 14.08 0 17 110 122 1 +157.24 ± 32.52
372904 ncm-dbt-01 580904 500 197 80 223 +82.83 ± 13.7 0 10 117 119 4 +169.27 ± 31.12
372903 ncm-dbt-03 589326 500 183 79 238 +73.34 ± 13.86 1 13 118 117 1 +153.86 ± 31.15
372902 ncm-dbt-04 567007 500 181 62 257 +84.31 ± 14.62 1 16 97 135 1 +179.9 ± 34.76
372901 ncm-dbt-05 583237 500 185 68 247 +82.83 ± 14.86 0 18 101 127 4 +169.27 ± 34.05
372900 ncm-dbt-02 586731 500 200 57 243 +102.22 ± 14.33 0 13 84 150 3 +219.87 ± 37.42
372899 ncm-dbt-01 584201 500 190 76 234 +80.63 ± 14.09 0 15 108 125 2 +167.53 ± 32.81
372898 ncm-dbt-03 588004 500 190 80 230 +77.71 ± 14.58 0 21 98 131 0 +164.07 ± 34.56
372897 ncm-dbt-04 563783 500 175 76 249 +69.71 ± 13.88 0 17 118 114 1 +143.89 ± 31.26
372896 ncm-dbt-05 586012 500 172 79 249 +65.38 ± 14.14 0 19 121 108 2 +132.54 ± 30.86
372895 ncm-dbt-02 588600 500 183 75 242 +76.25 ± 13.66 0 15 112 123 0 +160.64 ± 32.15
372894 ncm-dbt-03 586604 500 180 71 249 +76.98 ± 14.13 1 15 108 126 0 +164.07 ± 32.83
372893 ncm-dbt-01 585211 500 171 78 251 +65.38 ± 14.83 0 25 108 116 1 +134.15 ± 32.9
372892 ncm-dbt-04 566849 500 179 78 243 +71.16 ± 14.5 0 21 108 120 1 +147.19 ± 32.89
372891 ncm-dbt-05 585211 500 178 64 258 +80.63 ± 14.09 0 14 111 122 3 +165.8 ± 32.28
372890 ncm-dbt-01 584622 500 187 73 240 +80.63 ± 13.49 0 13 110 127 0 +171.02 ± 32.42
372889 ncm-dbt-02 588941 500 192 85 223 +75.52 ± 15.2 1 20 103 123 3 +155.54 ± 33.71
372888 ncm-dbt-03 588643 500 173 86 241 +61.08 ± 14.79 1 24 112 113 0 +127.76 ± 32.29
372887 ncm-dbt-03 589625 500 191 85 224 +74.79 ± 14.2 1 14 115 118 2 +155.54 ± 31.67
372886 ncm-dbt-04 568315 500 188 62 250 +89.48 ± 14.0 0 14 97 138 1 +190.85 ± 34.75
372885 ncm-dbt-05 584706 500 183 84 233 +69.71 ± 14.31 0 21 109 120 0 +145.54 ± 32.74
372884 ncm-dbt-02 589155 500 199 75 226 +88.0 ± 14.41 0 15 99 133 3 +183.51 ± 34.39
372883 ncm-dbt-01 587113 500 191 74 235 +82.83 ± 13.85 0 14 106 129 1 +174.55 ± 33.13

Commit

Commit ID 3bdfa0fb4a837f51f142cc1e862837c6f9167796
Author FauziAkram
Date 2024-05-09 06:29:33 UTC
Depth dependent statscore based reductions Test a modification of Fawzi's PR #5223, against that PR. parameters locally tuned with nevergrad4sf. passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 1047424 W: 271478 L: 269649 D: 506297 Ptnml(0-2): 3851, 124543, 265290, 125982, 4046 https://tests.stockfishchess.org/tests/view/663b0889ca93dad645f7c58c passed LTC: LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 796236 W: 201712 L: 199825 D: 394699 Ptnml(0-2): 361, 88381, 218778, 90206, 392 https://tests.stockfishchess.org/tests/view/663be6adca93dad645f7f509 https://github.com/official-stockfish/Stockfish/pull/5228 Bench: 3346224
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