Dev Builds » 20241208-1845

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 06:51:52 584035 4000 1529 491 1980 +92.27 ± 4.92 2 93 785 1105 15 +196.69 ± 12.14
ncm-dbt-02 06:50:09 587206 4000 1574 532 1894 +92.64 ± 4.84 0 85 805 1093 17 +196.69 ± 11.96
ncm-dbt-03 06:50:54 587182 4000 1574 496 1930 +96.0 ± 4.89 2 82 770 1128 18 +205.52 ± 12.25
ncm-dbt-04 06:49:56 570556 4000 1521 536 1943 +87.35 ± 4.9 2 98 824 1065 11 +185.33 ± 11.83
ncm-dbt-05 06:51:29 584805 4000 1570 566 1864 +89.11 ± 4.92 0 103 804 1079 14 +188.54 ± 11.99
20000 7768 2621 9611 +91.47 ± 2.19 6 461 3988 5470 75 +194.48 ± 5.38

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
390363 ncm-dbt-01 583070 500 185 57 258 +90.96 ± 14.17 0 14 96 138 2 +192.71 ± 34.94
390362 ncm-dbt-05 584916 500 199 68 233 +93.2 ± 13.75 0 11 99 138 2 +198.34 ± 34.31
390361 ncm-dbt-03 587409 500 194 57 249 +97.69 ± 13.5 0 8 100 139 3 +207.95 ± 33.99
390360 ncm-dbt-04 571752 500 194 59 247 +96.19 ± 13.64 0 11 94 144 1 +207.95 ± 35.29
390359 ncm-dbt-02 585000 500 201 69 230 +93.95 ± 13.61 0 11 97 141 1 +202.15 ± 34.7
390358 ncm-dbt-01 582778 500 182 50 268 +93.95 ± 13.45 0 10 99 140 1 +202.15 ± 34.28
390357 ncm-dbt-05 583698 500 198 76 226 +86.52 ± 14.08 0 15 99 135 1 +183.51 ± 34.39
390356 ncm-dbt-03 585000 500 200 56 244 +102.97 ± 13.54 0 11 84 155 0 +228.08 ± 37.44
390355 ncm-dbt-04 568554 500 201 68 231 +94.69 ± 13.93 0 10 101 135 4 +198.34 ± 33.9
390354 ncm-dbt-02 588941 500 203 71 226 +93.95 ± 13.77 0 12 95 142 1 +202.15 ± 35.11
390353 ncm-dbt-01 583321 500 196 61 243 +96.19 ± 13.95 0 11 96 140 3 +204.07 ± 34.89
390352 ncm-dbt-05 579578 500 193 64 243 +91.71 ± 13.73 0 11 101 136 2 +194.57 ± 33.94
390351 ncm-dbt-04 569909 500 197 78 225 +84.3 ± 13.58 0 12 108 129 1 +178.11 ± 32.72
390350 ncm-dbt-03 587749 500 198 66 236 +93.95 ± 13.61 0 8 106 132 4 +196.45 ± 32.87
390349 ncm-dbt-02 587070 500 195 77 228 +83.57 ± 13.56 0 11 112 125 2 +174.55 ± 32.0
390348 ncm-dbt-03 587962 500 203 71 226 +93.95 ± 15.39 1 16 88 140 5 +196.45 ± 36.5
390347 ncm-dbt-05 586689 500 185 79 236 +74.79 ± 14.49 0 19 108 121 2 +153.86 ± 32.88
390346 ncm-dbt-01 585801 500 195 70 235 +88.74 ± 13.52 1 9 104 136 0 +192.71 ± 33.34
390345 ncm-dbt-02 585421 500 198 55 247 +102.22 ± 14.02 0 9 94 142 5 +215.85 ± 35.23
390344 ncm-dbt-04 571833 500 206 72 222 +95.44 ± 13.94 1 9 97 141 2 +206.01 ± 34.66
390343 ncm-dbt-05 588345 500 202 83 215 +84.3 ± 14.03 0 15 102 132 1 +178.11 ± 33.85
390342 ncm-dbt-04 569709 500 186 57 257 +91.71 ± 14.34 1 12 96 139 2 +196.45 ± 34.93
390341 ncm-dbt-03 587113 500 199 67 234 +93.95 ± 14.67 0 15 92 139 4 +196.45 ± 35.72
390340 ncm-dbt-01 585843 500 193 63 244 +92.46 ± 14.2 1 10 100 136 3 +196.45 ± 34.12
390339 ncm-dbt-02 585464 500 190 63 247 +90.22 ± 13.7 0 9 109 128 4 +187.16 ± 32.4
390338 ncm-dbt-04 572396 500 193 70 237 +87.26 ± 13.8 0 13 102 134 1 +185.33 ± 33.81
390337 ncm-dbt-01 583572 500 198 56 246 +101.46 ± 13.37 0 7 97 143 3 +217.85 ± 34.53
390336 ncm-dbt-03 584622 500 200 58 242 +101.46 ± 12.87 0 5 100 143 2 +219.87 ± 33.78
390335 ncm-dbt-05 586097 500 198 64 238 +95.44 ± 14.1 0 14 89 146 1 +206.01 ± 36.33
390334 ncm-dbt-02 588941 500 198 74 228 +88.0 ± 13.97 0 13 102 133 2 +185.33 ± 33.81
390333 ncm-dbt-01 583363 500 187 80 233 +75.52 ± 14.65 0 21 102 126 1 +157.24 ± 33.88
390332 ncm-dbt-04 569829 500 178 57 265 +85.78 ± 13.77 0 14 101 135 0 +183.51 ± 34.01
390331 ncm-dbt-03 586435 500 192 59 249 +94.7 ± 13.62 1 9 96 144 0 +207.95 ± 34.86
390330 ncm-dbt-02 588089 500 192 61 247 +93.2 ± 13.6 0 10 101 137 2 +198.34 ± 33.9
390329 ncm-dbt-05 586054 500 196 72 232 +88.0 ± 13.19 0 10 106 134 0 +189.0 ± 32.98
390328 ncm-dbt-01 584537 500 193 54 253 +99.2 ± 13.83 0 11 91 146 2 +213.85 ± 35.9
390327 ncm-dbt-03 591168 500 188 62 250 +89.48 ± 13.22 0 10 104 136 0 +192.71 ± 33.34
390326 ncm-dbt-04 570469 500 166 75 259 +63.95 ± 13.51 0 17 125 108 0 +132.54 ± 30.2
390325 ncm-dbt-02 588728 500 197 62 241 +96.19 ± 13.32 0 10 95 145 0 +209.91 ± 35.06
390324 ncm-dbt-05 583070 500 199 60 241 +99.2 ± 13.83 0 8 100 137 5 +207.95 ± 33.99

Commit

Commit ID 55905e562a0de4aeef9c5081a9eab80e6ed4c542
Author Daniel Monroe
Date 2024-12-08 18:45:48 UTC
Simplify movepick coefficients This commit sets movepick weights for all continuation histories to 1 and doubles the weight for the main history, inspired by a recent tune. Passed STC https://tests.stockfishchess.org/tests/view/6735151a86d5ee47d953eaa2 LLR: 2.92 (-2.94,2.94) <-1.75,0.25> Total: 29984 W: 7840 L: 7612 D: 14532 Ptnml(0-2): 85, 3511, 7571, 3741, 84 Passed LTC https://tests.stockfishchess.org/tests/view/673667a986d5ee47d953ec78 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 26268 W: 6726 L: 6510 D: 13032 Ptnml(0-2): 16, 2797, 7288, 3021, 12 closes https://github.com/official-stockfish/Stockfish/pull/5680 Bench: 1130293
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