Dev Builds » 20240505-1053

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 06:48:52 584204 4012 1518 589 1905 +81.94 ± 5.03 0 128 837 1025 16 +170.65 ± 11.76
ncm-dbt-02 06:48:51 585314 4016 1506 588 1922 +80.85 ± 5.1 1 142 815 1038 12 +169.14 ± 11.93
ncm-dbt-03 06:48:26 586906 4000 1485 585 1930 +79.53 ± 5.05 2 132 841 1014 11 +166.45 ± 11.73
ncm-dbt-04 06:48:55 572101 3996 1470 591 1935 +77.7 ± 4.91 1 111 909 962 15 +161.04 ± 11.22
ncm-dbt-05 06:49:42 586676 3976 1429 582 1965 +75.16 ± 5.0 0 130 896 947 15 +154.92 ± 11.33
20000 7408 2935 9657 +79.04 ± 2.24 4 643 4298 4986 69 +164.41 ± 5.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
383181 ncm-dbt-01 585717 12 4 2 6 +58.43 ± 110.55 0 1 2 3 0 +120.41 ± 334.55
383180 ncm-dbt-02 586520 16 6 1 9 +112.26 ± 65.75 0 0 3 5 0 +254.61 ± 287.37
383179 ncm-dbt-05 581735 476 174 68 234 +78.69 ± 14.35 0 13 109 113 3 +160.97 ± 32.5
383178 ncm-dbt-04 572155 496 174 84 238 +63.75 ± 13.72 0 17 125 105 1 +130.49 ± 30.18
383177 ncm-dbt-03 586774 500 190 61 249 +91.71 ± 13.57 0 11 100 138 1 +196.45 ± 34.12
383176 ncm-dbt-01 583950 500 203 70 227 +94.69 ± 14.39 0 13 95 138 4 +198.34 ± 35.12
383175 ncm-dbt-02 587792 500 187 91 222 +67.54 ± 14.37 0 21 113 115 1 +138.99 ± 32.11
383174 ncm-dbt-05 581693 500 174 72 254 +71.88 ± 13.67 0 14 122 112 2 +147.19 ± 30.53
383173 ncm-dbt-04 573123 500 187 66 247 +85.78 ± 13.77 0 14 101 135 0 +183.51 ± 34.01
383172 ncm-dbt-03 586223 500 184 83 233 +71.16 ± 14.36 0 20 110 119 1 +147.19 ± 32.57
383171 ncm-dbt-01 586901 500 199 76 225 +87.26 ± 14.83 0 18 94 135 3 +181.7 ± 35.31
383170 ncm-dbt-02 584916 500 188 69 243 +84.31 ± 13.73 0 14 103 133 0 +179.9 ± 33.65
383169 ncm-dbt-05 581402 500 188 74 238 +80.63 ± 14.09 0 15 108 125 2 +167.53 ± 32.81
383168 ncm-dbt-04 571391 500 183 61 256 +86.52 ± 14.23 0 16 97 136 1 +183.51 ± 34.76
383167 ncm-dbt-03 587622 500 176 85 239 +63.95 ± 14.64 0 25 109 116 0 +132.54 ± 32.75
383166 ncm-dbt-02 585379 500 185 77 238 +76.25 ± 14.95 0 21 103 123 3 +155.54 ± 33.71
383165 ncm-dbt-01 584579 500 180 74 246 +74.79 ± 13.91 0 16 113 120 1 +155.54 ± 32.01
383164 ncm-dbt-04 569709 500 197 84 219 +79.9 ± 13.92 1 10 117 119 3 +165.8 ± 31.17
383163 ncm-dbt-05 583824 500 178 82 240 +67.54 ± 13.65 0 16 123 110 1 +138.99 ± 30.46
383162 ncm-dbt-01 579166 500 190 86 224 +73.33 ± 14.01 0 15 119 113 3 +148.85 ± 31.04
383161 ncm-dbt-02 585590 500 200 73 227 +90.22 ± 14.01 0 13 99 136 2 +190.85 ± 34.36
383160 ncm-dbt-03 588515 500 178 64 258 +80.63 ± 14.8 1 18 98 132 1 +171.02 ± 34.58
383159 ncm-dbt-04 572638 500 189 74 237 +81.36 ± 14.11 0 14 110 123 3 +167.53 ± 32.45
383158 ncm-dbt-05 585843 500 169 73 258 +67.54 ± 14.23 0 20 115 114 1 +138.99 ± 31.79
383157 ncm-dbt-02 582527 500 186 68 246 +83.57 ± 14.45 0 18 97 134 1 +176.33 ± 34.76
383156 ncm-dbt-03 588260 500 188 59 253 +91.71 ± 14.19 0 14 95 139 2 +194.57 ± 35.13
383155 ncm-dbt-01 582360 500 177 65 258 +79.17 ± 14.62 0 21 96 133 0 +167.53 ± 34.91
383154 ncm-dbt-04 573325 500 183 73 244 +77.7 ± 13.56 0 12 118 118 2 +160.64 ± 31.07
383153 ncm-dbt-02 584790 500 187 61 252 +89.48 ± 14.44 0 16 94 138 2 +189.0 ± 35.33
383152 ncm-dbt-05 583614 500 184 73 243 +78.44 ± 12.8 0 9 121 120 0 +165.8 ± 30.41
383151 ncm-dbt-01 586054 500 181 73 246 +76.25 ± 13.96 0 17 108 125 0 +160.64 ± 32.85
383150 ncm-dbt-03 582318 500 183 75 242 +76.25 ± 15.35 1 21 100 125 3 +157.24 ± 34.21
383149 ncm-dbt-04 572437 500 175 69 256 +74.79 ± 14.2 0 18 109 122 1 +155.54 ± 32.7
383148 ncm-dbt-02 587367 500 193 70 237 +87.26 ± 13.95 0 14 100 135 1 +185.33 ± 34.19
383147 ncm-dbt-03 587877 500 186 85 229 +71.16 ± 13.34 0 11 130 106 3 +143.89 ± 29.17
383146 ncm-dbt-01 584664 500 194 79 227 +81.36 ± 14.4 0 15 109 122 4 +165.8 ± 32.64
383145 ncm-dbt-05 583447 500 176 67 257 +76.98 ± 14.56 0 21 99 130 0 +162.35 ± 34.39
383144 ncm-dbt-04 572034 500 182 80 238 +71.88 ± 13.37 0 10 132 104 4 +143.89 ± 28.81
383143 ncm-dbt-02 582945 500 174 78 248 +67.55 ± 15.45 1 25 103 119 2 +138.99 ± 33.68
383142 ncm-dbt-01 584453 500 190 64 246 +89.48 ± 13.69 0 12 101 136 1 +190.85 ± 33.97
383141 ncm-dbt-03 587664 500 200 73 227 +90.22 ± 13.55 0 12 99 139 0 +194.57 ± 34.34
383140 ncm-dbt-05 611857 500 186 73 241 +79.9 ± 15.6 0 22 99 123 6 +158.93 ± 34.38

Commit

Commit ID 741aaf8a38c75535e01a3f5506877654547ebb33
Author Viren6
Date 2024-05-05 10:53:58 UTC
Introduce Quadruple Extensions This patch introduces quadruple extensions, with the new condition of not ttPv. It also generalises all margins, so that extensions can still occur if conditions are only partially fulfilled, but with a stricter margin. Failed STC: LLR: -2.94 (-2.94,2.94) <0.00,2.00> Total: 16096 W: 3984 L: 4228 D: 7884 Ptnml(0-2): 72, 2067, 4002, 1847, 60 https://tests.stockfishchess.org/tests/view/66316422d01fb9ac9bcdbdcd Passed VVLTC 1: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 96660 W: 24550 L: 24210 D: 47900 Ptnml(0-2): 5, 8776, 30426, 9120, 3 https://tests.stockfishchess.org/tests/view/66361f2c74fa3f41ef2ee091 Passed VVLTC 2: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 80546 W: 20495 L: 20120 D: 39931 Ptnml(0-2): 6, 7477, 24929, 7858, 3 https://tests.stockfishchess.org/tests/view/66350cf739ba8e443112b3fa closes https://github.com/official-stockfish/Stockfish/pull/5211 bench 2233743
Copyright 2011–2024 Next Chess Move LLC