Dev Builds » 20240530-2100

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 06:48:24 584896 4000 1475 618 1907 +75.61 ± 5.03 4 129 884 972 11 +157.66 ± 11.42
ncm-dbt-02 06:48:00 586997 4000 1505 621 1874 +78.07 ± 4.99 0 126 880 978 16 +161.49 ± 11.44
ncm-dbt-03 06:48:46 587672 4010 1483 632 1895 +74.87 ± 5.1 4 142 871 975 13 +155.52 ± 11.53
ncm-dbt-04 06:47:14 571619 4000 1487 637 1876 +74.97 ± 5.03 0 145 868 979 8 +155.97 ± 11.55
ncm-dbt-05 06:49:14 585655 3990 1456 619 1915 +73.98 ± 5.0 1 139 885 962 8 +153.88 ± 11.42
20000 7406 3127 9467 +75.5 ± 2.25 9 681 4388 4866 56 +156.9 ± 5.13

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
387419 ncm-dbt-03 587877 10 5 0 5 +190.62 ± 11.11 0 0 0 5 0 +1199.83 ± 231.31
387418 ncm-dbt-05 584285 490 194 71 225 +89.12 ± 14.49 0 15 94 134 2 +188.02 ± 35.32
387417 ncm-dbt-01 584117 500 184 76 240 +76.25 ± 13.81 1 13 113 123 0 +162.35 ± 31.95
387416 ncm-dbt-02 587707 500 188 79 233 +76.97 ± 13.38 0 12 118 119 1 +160.64 ± 31.07
387415 ncm-dbt-04 570589 500 188 104 208 +58.93 ± 14.42 0 25 116 109 0 +121.46 ± 31.7
387414 ncm-dbt-03 584453 500 190 75 235 +81.36 ± 14.11 0 15 107 126 2 +169.27 ± 32.98
387413 ncm-dbt-02 582402 500 184 76 240 +76.25 ± 14.1 0 18 106 126 0 +160.64 ± 33.2
387412 ncm-dbt-05 582652 500 174 80 246 +66.1 ± 15.26 1 25 104 119 1 +137.37 ± 33.52
387411 ncm-dbt-01 586393 500 176 79 245 +68.27 ± 14.94 0 24 107 117 2 +138.99 ± 33.06
387410 ncm-dbt-04 570388 500 182 68 250 +80.63 ± 14.8 0 20 98 130 2 +167.53 ± 34.57
387409 ncm-dbt-03 587155 500 178 76 246 +71.88 ± 13.81 0 16 117 116 1 +148.85 ± 31.38
387408 ncm-dbt-02 585253 500 191 74 235 +82.83 ± 14.72 0 17 103 126 4 +169.27 ± 33.7
387407 ncm-dbt-05 582527 500 184 97 219 +61.07 ± 14.38 0 22 121 105 2 +123.02 ± 30.92
387406 ncm-dbt-01 585295 500 184 70 246 +80.63 ± 13.94 0 14 110 124 2 +167.53 ± 32.45
387405 ncm-dbt-03 586858 500 180 68 252 +79.17 ± 13.9 0 15 109 125 1 +165.8 ± 32.64
387404 ncm-dbt-04 571471 500 174 82 244 +64.66 ± 14.12 0 20 119 110 1 +132.54 ± 31.18
387403 ncm-dbt-03 589710 500 189 74 237 +81.37 ± 14.11 0 17 101 132 0 +172.78 ± 34.05
387402 ncm-dbt-05 587240 500 184 74 242 +77.7 ± 14.29 0 18 105 126 1 +162.35 ± 33.37
387401 ncm-dbt-02 587664 500 178 63 259 +81.36 ± 13.81 0 13 111 124 2 +169.27 ± 32.25
387400 ncm-dbt-01 584537 500 189 66 245 +87.26 ± 13.64 1 10 104 135 0 +189.0 ± 33.39
387399 ncm-dbt-04 570949 500 189 71 240 +83.57 ± 13.71 0 14 104 132 0 +178.11 ± 33.48
387398 ncm-dbt-03 589069 500 179 71 250 +76.25 ± 14.95 1 17 109 119 4 +155.54 ± 32.7
387397 ncm-dbt-05 585970 500 179 72 249 +75.52 ± 13.64 0 14 116 119 1 +157.24 ± 31.47
387396 ncm-dbt-02 588004 500 196 87 217 +76.97 ± 14.27 0 16 112 119 3 +157.24 ± 32.18
387395 ncm-dbt-04 570869 500 190 82 228 +76.25 ± 14.25 0 18 107 124 1 +158.93 ± 33.03
387394 ncm-dbt-01 583237 500 180 71 249 +76.98 ± 13.98 1 14 110 125 0 +164.07 ± 32.48
387393 ncm-dbt-03 586985 500 194 94 212 +70.44 ± 15.02 1 21 107 119 2 +145.54 ± 33.06
387392 ncm-dbt-02 588600 500 189 83 228 +74.79 ± 13.62 0 15 114 121 0 +157.24 ± 31.83
387391 ncm-dbt-05 586689 500 181 72 247 +76.98 ± 12.91 0 10 121 119 0 +162.35 ± 30.48
387390 ncm-dbt-04 572679 500 189 78 233 +78.43 ± 13.73 0 14 112 123 1 +164.07 ± 32.12
387389 ncm-dbt-01 584958 500 198 79 223 +84.31 ± 14.18 1 10 112 123 4 +174.55 ± 32.0
387388 ncm-dbt-02 587409 500 198 93 209 +74.06 ± 14.6 0 19 110 118 3 +150.51 ± 32.56
387387 ncm-dbt-03 588984 500 184 86 230 +68.99 ± 14.28 0 21 110 119 0 +143.89 ± 32.58
387386 ncm-dbt-04 571873 500 183 73 244 +77.71 ± 13.56 0 14 112 124 0 +164.07 ± 32.12
387385 ncm-dbt-05 588941 500 179 78 243 +71.16 ± 14.08 0 19 111 120 0 +148.85 ± 32.4
387384 ncm-dbt-01 585295 500 177 93 230 +58.93 ± 14.69 0 25 118 105 2 +118.33 ± 31.4
387383 ncm-dbt-02 588941 500 181 66 253 +81.36 ± 14.4 0 16 106 125 3 +167.53 ± 33.17
387382 ncm-dbt-04 574135 500 192 79 229 +79.9 ± 14.92 0 20 100 127 3 +164.07 ± 34.22
387381 ncm-dbt-01 585337 500 187 84 229 +72.61 ± 14.27 0 19 110 120 1 +150.51 ± 32.56
387380 ncm-dbt-03 587962 500 184 88 228 +67.55 ± 15.32 2 20 111 114 3 +138.99 ± 32.43
387379 ncm-dbt-05 586943 500 181 75 244 +74.79 ± 13.91 0 16 113 120 1 +155.54 ± 32.01

Commit

Commit ID 02eae528330347b4c91f3d8fa4de7fc8629a5ac0
Author FauziAkram
Date 2024-05-30 21:00:22 UTC
Simplifying the malus for putting piece en prise formula Simplifying the malus for putting piece en prise formula by merging the minor pieces and pawns (removing the pawn exclusion from the formula). Passed STC: https://tests.stockfishchess.org/tests/view/66578d9c6b0e318cefa8d441 LLR: 2.99 (-2.94,2.94) <-1.75,0.25> Total: 314272 W: 80705 L: 80786 D: 152781 Ptnml(0-2): 873, 37577, 80366, 37398, 922 Passed LTC (before rebasing): https://tests.stockfishchess.org/tests/view/6657b5ee6b0e318cefa8d6ab LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 117000 W: 29447 L: 29324 D: 58229 Ptnml(0-2): 47, 12877, 32535, 12988, 53 Passed LTC (also after rebasing): https://tests.stockfishchess.org/tests/view/6658803d6b0e318cefa8fd99 LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 244992 W: 61807 L: 61814 D: 121371 Ptnml(0-2): 125, 27420, 67414, 27411, 126 closes https://github.com/official-stockfish/Stockfish/pull/5316 Bench: 1484840
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