Dev Builds » 20240928-1522

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 06:51:27 585075 4000 1549 538 1913 +89.76 ± 4.79 1 80 840 1065 14 +190.39 ± 11.67
ncm-dbt-02 06:51:34 586585 4000 1520 550 1930 +85.97 ± 4.93 2 100 839 1044 15 +181.03 ± 11.72
ncm-dbt-03 06:51:06 585734 4000 1533 553 1914 +86.89 ± 4.8 2 78 875 1028 17 +182.83 ± 11.4
ncm-dbt-04 06:52:21 571548 4000 1538 529 1933 +89.57 ± 4.84 0 89 828 1068 15 +189.46 ± 11.78
ncm-dbt-05 06:50:52 584104 4000 1560 578 1862 +87.07 ± 4.87 0 98 835 1054 13 +183.74 ± 11.74
20000 7700 2748 9552 +87.85 ± 2.17 5 445 4217 5259 74 +185.47 ± 5.21

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
379455 ncm-dbt-01 583656 500 204 57 239 +105.25 ± 13.72 0 11 82 156 1 +232.26 ± 37.9
379454 ncm-dbt-04 571391 500 190 67 243 +87.26 ± 13.64 0 11 107 130 2 +183.51 ± 32.85
379453 ncm-dbt-02 585632 500 193 68 239 +88.74 ± 14.13 1 9 108 128 4 +185.33 ± 32.63
379452 ncm-dbt-05 585801 500 201 74 225 +90.22 ± 14.16 0 15 94 140 1 +192.71 ± 35.33
379451 ncm-dbt-03 584664 500 191 59 250 +93.95 ± 13.92 0 10 102 134 4 +196.45 ± 33.71
379450 ncm-dbt-01 584537 500 201 74 225 +90.22 ± 13.39 0 9 107 132 2 +190.85 ± 32.75
379449 ncm-dbt-04 570709 500 203 63 234 +99.95 ± 14.15 0 12 89 146 3 +213.85 ± 36.34
379448 ncm-dbt-02 588728 500 193 71 236 +86.52 ± 13.47 0 12 104 134 0 +185.33 ± 33.42
379447 ncm-dbt-05 583196 500 198 76 226 +86.52 ± 13.16 0 10 108 132 0 +185.33 ± 32.63
379446 ncm-dbt-03 584453 500 193 75 232 +83.57 ± 13.56 0 11 112 125 2 +174.55 ± 32.0
379445 ncm-dbt-01 586943 500 195 84 221 +78.44 ± 13.88 1 12 113 123 1 +165.8 ± 31.92
379444 ncm-dbt-04 570709 500 193 67 240 +89.48 ± 14.15 0 12 104 130 4 +185.33 ± 33.42
379443 ncm-dbt-05 584958 500 189 73 238 +82.1 ± 13.37 0 11 113 125 1 +172.78 ± 31.83
379442 ncm-dbt-02 583572 500 193 68 239 +88.74 ± 14.86 1 17 89 142 1 +190.85 ± 36.27
379441 ncm-dbt-03 584916 500 199 71 230 +90.96 ± 12.92 0 7 109 133 1 +194.57 ± 32.27
379440 ncm-dbt-01 585506 500 181 63 256 +83.57 ± 13.56 0 13 106 131 0 +178.11 ± 33.1
379439 ncm-dbt-04 572679 500 195 76 229 +84.3 ± 13.88 0 14 104 131 1 +178.11 ± 33.48
379438 ncm-dbt-05 581693 500 202 79 219 +87.26 ± 13.95 0 13 103 132 2 +183.51 ± 33.63
379437 ncm-dbt-02 584958 500 186 64 250 +86.52 ± 13.78 0 12 106 130 2 +181.7 ± 33.07
379436 ncm-dbt-03 586731 500 189 68 243 +85.78 ± 12.65 0 6 118 125 1 +181.7 ± 30.66
379435 ncm-dbt-04 572437 500 194 60 246 +95.44 ± 13.31 0 9 99 141 1 +206.01 ± 34.24
379434 ncm-dbt-01 584664 500 196 65 239 +93.2 ± 13.12 0 5 113 128 4 +194.57 ± 31.41
379433 ncm-dbt-05 582945 500 195 77 228 +83.57 ± 14.16 0 15 104 129 2 +174.55 ± 33.5
379432 ncm-dbt-02 589924 500 194 67 239 +90.22 ± 14.01 0 13 99 136 2 +190.85 ± 34.36
379431 ncm-dbt-03 586646 500 180 74 246 +74.79 ± 13.47 1 11 119 119 0 +158.93 ± 30.91
379430 ncm-dbt-01 586477 500 183 63 254 +85.04 ± 14.05 0 14 104 130 2 +178.11 ± 33.48
379429 ncm-dbt-04 569390 500 185 69 246 +82.1 ± 13.52 0 12 111 126 1 +172.78 ± 32.21
379428 ncm-dbt-05 581361 500 195 66 239 +91.71 ± 13.26 0 9 104 136 1 +196.45 ± 33.3
379427 ncm-dbt-02 588132 500 190 66 244 +88.0 ± 14.12 0 14 100 134 2 +185.33 ± 34.19
379426 ncm-dbt-03 586181 500 195 77 228 +83.57 ± 14.74 1 14 105 126 4 +172.78 ± 33.32
379425 ncm-dbt-01 583950 500 195 60 245 +96.19 ± 13.48 0 8 102 137 3 +204.07 ± 33.61
379424 ncm-dbt-04 572114 500 186 64 250 +86.52 ± 13.32 0 10 109 130 1 +183.51 ± 32.46
379423 ncm-dbt-05 584790 500 180 70 250 +77.7 ± 14.0 0 15 112 121 2 +160.64 ± 32.15
379422 ncm-dbt-03 584958 500 186 64 250 +86.52 ± 13.78 0 12 106 130 2 +181.7 ± 33.07
379421 ncm-dbt-02 587367 500 169 66 265 +72.61 ± 13.09 0 12 123 115 0 +152.18 ± 30.28
379420 ncm-dbt-01 584874 500 194 72 234 +86.52 ± 13.0 0 8 113 128 1 +183.51 ± 31.65
379419 ncm-dbt-04 572961 500 192 63 245 +91.71 ± 13.42 0 9 105 134 2 +194.57 ± 33.11
379418 ncm-dbt-02 584369 500 202 80 218 +86.52 ± 13.93 0 11 110 125 4 +178.11 ± 32.33
379417 ncm-dbt-05 588089 500 200 63 237 +97.69 ± 13.97 0 10 97 139 4 +206.01 ± 34.66
379416 ncm-dbt-03 587325 500 200 65 235 +96.19 ± 13.32 0 7 104 136 3 +204.07 ± 33.17

Commit

Commit ID aff1f67997cd2584ea7c82d967ac7bfd4cc77861
Author Nonlinear2
Date 2024-09-28 15:22:33 UTC
simplify see pruning in qsearch passed non-regression STC: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 34880 W: 9193 L: 8968 D: 16719 Ptnml(0-2): 103, 4047, 8935, 4232, 123 https://tests.stockfishchess.org/tests/view/66ee83bd86d5ee47d953b15b passed non-regression LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 69126 W: 17529 L: 17357 D: 34240 Ptnml(0-2): 41, 7507, 19285, 7699, 31 https://tests.stockfishchess.org/tests/view/66ef3e0386d5ee47d953b1d3 closes https://github.com/official-stockfish/Stockfish/pull/5607 Bench: 1339840
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