Dev Builds » 20240107-1241

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 06:51:33 578432 4000 1433 642 1925 +69.62 ± 5.07 1 155 908 924 12 +143.07 ± 11.28
ncm-dbt-02 06:51:30 586267 4008 1413 638 1957 +68.04 ± 5.0 2 150 931 913 8 +140.51 ± 11.12
ncm-dbt-03 06:51:13 583530 3992 1429 606 1957 +72.67 ± 4.99 0 140 903 943 10 +150.23 ± 11.3
ncm-dbt-04 06:50:16 568447 4000 1464 587 1949 +77.43 ± 4.95 1 121 891 974 13 +160.85 ± 11.36
ncm-dbt-05 06:50:57 581227 4000 1457 620 1923 +73.79 ± 5.01 2 131 910 942 15 +152.18 ± 11.24
20000 7196 3093 9711 +72.3 ± 2.24 6 697 4543 4696 58 +149.31 ± 5.03

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
420229 ncm-dbt-02 585253 8 4 0 4 +190.56 ± 13.88 0 0 0 4 0 +1199.83 ± 250.99
420228 ncm-dbt-03 584579 492 179 67 246 +80.5 ± 14.09 0 14 108 122 2 +167.16 ± 32.76
420227 ncm-dbt-01 579042 500 184 77 239 +75.52 ± 14.51 0 19 107 122 2 +155.54 ± 33.04
420226 ncm-dbt-04 569190 500 185 87 228 +68.99 ± 13.56 0 14 126 108 2 +140.62 ± 29.93
420225 ncm-dbt-05 581485 500 195 77 228 +83.57 ± 13.87 0 14 105 130 1 +176.33 ± 33.3
420224 ncm-dbt-02 585843 500 176 81 243 +66.82 ± 14.2 0 21 113 116 0 +138.99 ± 32.11
420223 ncm-dbt-03 579620 500 187 81 232 +74.79 ± 14.34 0 18 110 120 2 +153.86 ± 32.54
420222 ncm-dbt-01 577643 500 181 81 238 +70.43 ± 14.2 0 17 119 111 3 +142.26 ± 31.1
420221 ncm-dbt-04 566533 500 194 76 230 +83.57 ± 13.56 0 10 115 122 3 +172.78 ± 31.44
420220 ncm-dbt-05 585674 500 176 81 243 +66.82 ± 14.06 0 18 121 109 2 +135.76 ± 30.83
420219 ncm-dbt-02 587367 500 177 83 240 +66.1 ± 14.45 1 18 119 110 2 +135.76 ± 31.16
420218 ncm-dbt-03 583196 500 191 84 225 +75.52 ± 13.64 0 14 116 119 1 +157.24 ± 31.47
420217 ncm-dbt-05 580075 500 176 74 250 +71.89 ± 14.53 1 17 113 117 2 +148.85 ± 32.06
420216 ncm-dbt-04 569829 500 174 70 256 +73.33 ± 14.85 0 22 104 122 2 +150.51 ± 33.54
420215 ncm-dbt-01 577930 500 169 93 238 +53.22 ± 14.42 0 27 120 103 0 +109.07 ± 31.14
420214 ncm-dbt-02 586393 500 177 86 237 +63.94 ± 14.5 0 22 117 109 2 +129.35 ± 31.52
420213 ncm-dbt-03 584664 500 173 76 251 +68.27 ± 14.26 0 19 117 112 2 +138.99 ± 31.46
420212 ncm-dbt-04 566849 500 187 75 238 +79.17 ± 14.48 1 16 104 128 1 +167.53 ± 33.52
420211 ncm-dbt-05 578259 500 177 78 245 +69.71 ± 14.31 0 19 115 114 2 +142.26 ± 31.77
420210 ncm-dbt-01 578671 500 192 72 236 +85.04 ± 14.05 0 13 107 127 3 +176.33 ± 32.93
420209 ncm-dbt-02 585337 500 165 84 251 +56.78 ± 14.46 0 25 120 104 1 +115.23 ± 31.11
420208 ncm-dbt-03 582903 500 164 70 266 +66.1 ± 14.73 0 24 109 116 1 +135.76 ± 32.75
420207 ncm-dbt-04 570268 500 181 81 238 +70.44 ± 13.47 0 15 120 115 0 +147.19 ± 30.88
420206 ncm-dbt-01 576701 500 164 83 253 +56.78 ± 14.19 0 24 121 105 0 +116.78 ± 30.96
420205 ncm-dbt-05 580075 500 185 81 234 +73.34 ± 14.72 1 19 106 123 1 +153.86 ± 33.21
420204 ncm-dbt-02 586985 500 181 79 240 +71.89 ± 14.53 1 18 110 120 1 +150.51 ± 32.56
420203 ncm-dbt-03 583572 500 181 72 247 +76.97 ± 14.13 0 17 108 124 1 +160.64 ± 32.85
420202 ncm-dbt-04 568872 500 174 75 251 +69.71 ± 14.03 0 17 119 112 2 +142.26 ± 31.1
420201 ncm-dbt-01 577438 500 179 72 249 +75.52 ± 14.23 0 18 108 123 1 +157.24 ± 32.87
420200 ncm-dbt-05 581319 500 191 78 231 +79.9 ± 13.92 0 13 114 120 3 +164.07 ± 31.75
420199 ncm-dbt-02 585042 500 163 76 261 +61.07 ± 13.38 0 17 129 104 0 +126.18 ± 29.62
420198 ncm-dbt-03 583405 500 182 79 239 +72.61 ± 13.69 0 16 115 119 0 +152.18 ± 31.7
420197 ncm-dbt-04 567403 500 177 60 263 +82.83 ± 13.54 0 11 113 124 2 +172.78 ± 31.83
420196 ncm-dbt-02 587494 500 188 71 241 +82.83 ± 13.39 0 11 112 126 1 +174.55 ± 32.0
420195 ncm-dbt-05 582027 500 181 83 236 +68.99 ± 14.0 0 18 117 114 1 +142.26 ± 31.44
420194 ncm-dbt-01 578671 500 185 87 228 +68.99 ± 14.84 1 19 114 113 3 +140.62 ± 31.94
420193 ncm-dbt-04 568633 500 192 63 245 +91.71 ± 14.34 0 16 90 143 1 +196.45 ± 36.11
420192 ncm-dbt-03 586308 500 172 77 251 +66.82 ± 13.92 0 18 120 111 1 +137.37 ± 30.98
420191 ncm-dbt-01 581361 500 179 77 244 +71.88 ± 13.96 0 18 112 120 0 +150.51 ± 32.22
420190 ncm-dbt-02 586689 500 182 78 240 +73.33 ± 14.15 0 18 111 120 1 +152.18 ± 32.38
420189 ncm-dbt-05 580904 500 176 68 256 +76.25 ± 13.81 0 13 119 115 3 +155.54 ± 30.96

Commit

Commit ID a5a76a63704009d35997725558dfafd90f5d616f
Author mstembera
Date 2024-01-07 12:41:50 UTC
Introduce BAD_QUIET movepicker stage Split quiets into good and bad as we do with captures. When we find the first quiet move below a certain threshold that has been sorted we consider all subsequent quiets bad. Inspired by @locutus2 idea to skip bad captures. Passed STC: https://tests.stockfishchess.org/tests/view/6597759f79aa8af82b95fa17 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 138688 W: 35566 L: 35096 D: 68026 Ptnml(0-2): 476, 16367, 35183, 16847, 471 Passed LTC: https://tests.stockfishchess.org/tests/view/6598583c79aa8af82b960ad0 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 84108 W: 21468 L: 21048 D: 41592 Ptnml(0-2): 38, 9355, 22858, 9755, 48 closes https://github.com/official-stockfish/Stockfish/pull/4970 Bench: 1336907
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