Dev Builds » 20231214-1736

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 06:54:56 582755 4014 1429 662 1923 +67.21 ± 5.02 3 153 932 912 7 +139.06 ± 11.12
ncm-dbt-02 06:54:37 585495 4000 1411 671 1918 +65.02 ± 5.04 4 152 956 876 12 +133.34 ± 10.96
ncm-dbt-03 06:53:24 584983 4000 1415 628 1957 +69.26 ± 5.09 3 156 901 931 9 +143.28 ± 11.33
ncm-dbt-04 06:53:56 567147 4000 1401 673 1926 +63.95 ± 4.94 2 149 975 867 7 +131.54 ± 10.83
ncm-dbt-05 06:54:56 579196 3986 1394 677 1915 +63.18 ± 5.12 1 176 933 871 12 +128.65 ± 11.12
20000 7050 3311 9639 +65.73 ± 2.25 13 786 4697 4457 47 +135.15 ± 4.95

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
421313 ncm-dbt-01 584034 14 7 4 3 +75.56 ± 67.89 0 0 4 3 0 +159.09 ± 177.81
421312 ncm-dbt-05 575028 486 160 83 243 +55.51 ± 14.13 0 21 125 96 1 +112.43 ± 30.25
421311 ncm-dbt-02 585464 500 171 79 250 +64.66 ± 14.4 0 23 112 115 0 +134.15 ± 32.28
421310 ncm-dbt-03 586266 500 174 75 251 +69.71 ± 13.29 0 14 123 113 0 +145.54 ± 30.38
421309 ncm-dbt-04 566454 500 174 75 251 +69.71 ± 13.59 0 16 119 115 0 +145.54 ± 31.07
421308 ncm-dbt-01 581735 500 176 92 232 +58.93 ± 14.42 0 25 116 109 0 +121.46 ± 31.7
421307 ncm-dbt-05 581777 500 188 80 232 +76.25 ± 13.96 1 14 111 124 0 +162.35 ± 32.31
421306 ncm-dbt-04 567958 500 169 89 242 +56.07 ± 14.01 0 21 130 97 2 +112.14 ± 29.61
421305 ncm-dbt-02 586054 500 187 85 228 +71.89 ± 14.1 1 12 125 108 4 +145.54 ± 30.03
421304 ncm-dbt-03 582152 500 172 78 250 +66.1 ± 14.17 1 17 120 111 1 +137.37 ± 30.98
421303 ncm-dbt-01 581818 500 173 67 260 +74.79 ± 13.91 0 16 113 120 1 +155.54 ± 32.01
421302 ncm-dbt-05 581818 500 160 85 255 +52.51 ± 15.18 0 33 109 108 0 +107.54 ± 32.71
421301 ncm-dbt-04 567126 500 177 84 239 +65.39 ± 14.7 1 22 110 117 0 +137.37 ± 32.59
421300 ncm-dbt-02 582819 500 174 89 237 +59.64 ± 14.18 1 19 125 104 1 +123.02 ± 30.3
421299 ncm-dbt-03 584453 500 173 83 244 +63.23 ± 15.01 1 24 110 114 1 +130.94 ± 32.59
421298 ncm-dbt-01 583028 500 177 74 249 +72.61 ± 14.27 1 16 113 119 1 +152.18 ± 32.04
421297 ncm-dbt-05 584034 500 173 93 234 +56.07 ± 14.29 0 24 123 102 1 +113.68 ± 30.67
421296 ncm-dbt-02 585379 500 187 84 229 +72.61 ± 15.1 0 25 98 126 1 +150.51 ± 34.5
421295 ncm-dbt-04 569230 500 176 85 239 +63.94 ± 14.23 0 20 121 107 2 +129.35 ± 30.88
421294 ncm-dbt-01 581860 500 183 100 217 +58.21 ± 14.25 0 23 122 104 1 +118.33 ± 30.8
421293 ncm-dbt-03 583237 500 184 83 233 +71.16 ± 14.22 0 18 115 115 2 +145.54 ± 31.75
421292 ncm-dbt-02 587877 500 178 82 240 +67.54 ± 13.8 0 16 124 108 2 +137.37 ± 30.31
421291 ncm-dbt-05 573365 500 169 75 256 +66.1 ± 13.45 0 16 124 110 0 +137.37 ± 30.31
421290 ncm-dbt-01 583866 500 175 88 237 +61.07 ± 14.38 0 23 118 108 1 +124.6 ± 31.38
421289 ncm-dbt-03 585632 500 185 81 234 +73.33 ± 14.85 0 23 101 125 1 +152.18 ± 34.03
421288 ncm-dbt-04 567482 500 175 67 258 +76.25 ± 13.96 1 13 114 121 1 +160.64 ± 31.79
421287 ncm-dbt-02 586520 500 163 84 253 +55.36 ± 14.12 1 20 129 99 1 +113.68 ± 29.75
421286 ncm-dbt-05 578836 500 189 83 228 +74.79 ± 15.31 0 24 99 124 3 +152.18 ± 34.35
421285 ncm-dbt-03 584285 500 172 74 254 +68.99 ± 13.56 0 13 129 105 3 +138.99 ± 29.43
421284 ncm-dbt-01 582068 500 188 81 231 +75.52 ± 13.79 0 14 117 117 2 +155.54 ± 31.31
421283 ncm-dbt-04 566809 500 171 89 240 +57.5 ± 14.08 0 22 125 102 1 +116.78 ± 30.34
421282 ncm-dbt-03 587622 500 186 70 244 +82.1 ± 14.27 0 17 101 131 1 +172.78 ± 34.05
421281 ncm-dbt-02 582652 500 178 82 240 +67.54 ± 14.37 0 21 113 115 1 +138.99 ± 32.11
421280 ncm-dbt-04 566099 500 184 90 226 +66.1 ± 14.17 0 21 114 115 0 +137.37 ± 31.96
421279 ncm-dbt-05 580821 500 184 85 231 +69.71 ± 14.73 0 20 115 111 4 +138.99 ± 31.79
421278 ncm-dbt-01 583279 500 173 82 245 +63.95 ± 14.64 1 22 112 115 0 +134.15 ± 32.28
421277 ncm-dbt-03 586223 500 169 84 247 +59.64 ± 15.51 1 30 102 117 0 +124.6 ± 33.76
421276 ncm-dbt-02 587197 500 173 86 241 +61.08 ± 13.96 1 16 130 101 2 +124.6 ± 29.47
421275 ncm-dbt-05 577889 500 171 93 236 +54.64 ± 14.49 0 24 127 96 3 +107.54 ± 30.1
421274 ncm-dbt-01 583112 500 177 74 249 +72.61 ± 13.98 1 14 117 117 1 +152.18 ± 31.35
421273 ncm-dbt-04 566020 500 175 94 231 +56.78 ± 12.88 0 14 142 93 1 +115.23 ± 27.62

Commit

Commit ID 7885fa5bd3c8aae1e992ec80cbaaab1177502426
Author peregrineshahin
Date 2023-12-14 17:36:45 UTC
Track seldepth in qsearch too Sometimes if we count the reported PV length, it turns out to be longer than the selective depth reported. This fixes this behavior by applying the selective depth to qsearch since we do report PVs from it as well. Passed non-regression STC: https://tests.stockfishchess.org/tests/view/656cf5b66980e15f69c7499d LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 223648 W: 56372 L: 56356 D: 110920 Ptnml(0-2): 710, 25580, 59231, 25590, 713 closes https://github.com/official-stockfish/Stockfish/pull/4903 No functional change
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