Dev Builds » 20240820-1937

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 06:48:25 582736 3952 1496 543 1913 +85.47 ± 5.13 3 119 794 1042 18 +179.32 ± 12.08
ncm-dbt-02 06:47:45 587314 3988 1515 554 1919 +85.4 ± 4.9 1 103 834 1046 10 +180.55 ± 11.76
ncm-dbt-03 06:48:32 587740 3976 1505 594 1877 +81.04 ± 5.02 2 119 847 1006 14 +169.37 ± 11.68
ncm-dbt-04 07:08:02 556054 4168 1585 551 2032 +88.03 ± 4.78 1 98 867 1102 16 +185.77 ± 11.52
ncm-dbt-05 06:44:31 583692 3916 1455 547 1914 +82.05 ± 5.08 2 121 813 1011 11 +172.41 ± 11.93
20000 7556 2789 9655 +84.44 ± 2.23 9 560 4155 5207 69 +177.53 ± 5.27

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
373428 ncm-dbt-04 555690 168 61 22 85 +82.15 ± 23.86 0 5 35 44 0 +174.68 ± 58.33
373427 ncm-dbt-05 582903 416 148 43 225 +89.63 ± 15.65 0 13 78 116 1 +190.85 ± 38.83
373426 ncm-dbt-01 584874 452 162 61 229 +78.97 ± 14.87 1 13 96 116 0 +168.98 ± 34.86
373425 ncm-dbt-03 588174 476 168 62 246 +78.69 ± 14.82 1 13 106 115 3 +162.77 ± 33.06
373424 ncm-dbt-02 586477 488 185 61 242 +90.26 ± 14.08 0 13 95 135 1 +192.75 ± 35.11
373423 ncm-dbt-04 556679 500 188 72 240 +82.1 ± 14.42 0 18 99 132 1 +172.78 ± 34.4
373422 ncm-dbt-05 581902 500 180 79 241 +71.16 ± 14.36 0 20 110 119 1 +147.19 ± 32.57
373421 ncm-dbt-01 584537 500 191 68 241 +87.26 ± 15.52 0 21 90 134 5 +178.11 ± 36.01
373420 ncm-dbt-03 588345 500 186 83 231 +72.61 ± 13.84 0 16 116 117 1 +150.51 ± 31.54
373419 ncm-dbt-02 589753 500 195 61 244 +95.44 ± 13.79 0 11 96 141 2 +204.07 ± 34.89
373418 ncm-dbt-04 556641 500 196 65 239 +93.2 ± 13.28 0 9 102 138 1 +200.24 ± 33.67
373417 ncm-dbt-05 580489 500 185 80 235 +74.06 ± 14.6 0 20 107 121 2 +152.18 ± 33.05
373416 ncm-dbt-01 582027 500 188 66 246 +86.52 ± 14.08 0 14 102 132 2 +181.7 ± 33.83
373415 ncm-dbt-02 587537 500 189 79 232 +77.7 ± 14.0 0 15 112 121 2 +160.64 ± 32.15
373414 ncm-dbt-03 586985 500 190 68 242 +86.52 ± 14.38 0 17 95 137 1 +183.51 ± 35.13
373413 ncm-dbt-04 555842 500 184 61 255 +87.26 ± 13.49 0 12 103 135 0 +187.16 ± 33.6
373412 ncm-dbt-05 582694 500 181 70 249 +78.44 ± 14.46 1 15 108 124 2 +164.07 ± 32.83
373411 ncm-dbt-01 584958 500 195 57 248 +98.44 ± 13.34 0 8 98 142 2 +211.87 ± 34.38
373410 ncm-dbt-02 583154 500 192 82 226 +77.71 ± 14.44 1 16 106 126 1 +164.07 ± 33.19
373409 ncm-dbt-03 585801 500 182 86 232 +67.55 ± 13.65 0 17 120 113 0 +140.62 ± 30.95
373408 ncm-dbt-04 556985 500 195 63 242 +93.95 ± 14.67 0 13 98 133 6 +192.71 ± 34.55
373407 ncm-dbt-05 580655 500 191 75 234 +82.1 ± 15.39 1 19 97 129 4 +169.27 ± 34.75
373406 ncm-dbt-02 586985 500 191 67 242 +88.0 ± 13.81 0 13 101 135 1 +187.16 ± 33.99
373405 ncm-dbt-01 581860 500 184 75 241 +76.98 ± 13.83 0 16 109 125 0 +162.35 ± 32.67
373404 ncm-dbt-03 588558 500 201 78 221 +87.26 ± 14.54 0 17 95 136 2 +183.51 ± 35.13
373403 ncm-dbt-04 554326 500 199 66 235 +94.69 ± 13.78 0 12 94 143 1 +204.07 ± 35.31
373402 ncm-dbt-05 579661 500 187 68 245 +84.31 ± 13.58 0 13 105 132 0 +179.9 ± 33.27
373401 ncm-dbt-02 587579 500 188 67 245 +85.78 ± 13.61 0 12 106 131 1 +181.7 ± 33.07
373400 ncm-dbt-01 582945 500 198 81 221 +82.83 ± 14.86 1 16 101 129 3 +172.78 ± 34.05
373399 ncm-dbt-03 587664 500 177 69 254 +76.25 ± 14.1 0 17 109 123 1 +158.93 ± 32.69
373398 ncm-dbt-04 555728 500 184 79 237 +74.06 ± 13.74 0 14 119 115 2 +152.18 ± 31.0
373397 ncm-dbt-05 581610 500 185 66 249 +84.3 ± 13.27 0 10 112 127 1 +178.11 ± 31.94
373396 ncm-dbt-03 589197 500 203 77 220 +89.48 ± 14.44 1 12 100 134 3 +189.0 ± 34.18
373395 ncm-dbt-01 579083 500 190 66 244 +88.0 ± 14.41 1 13 99 135 2 +187.16 ± 34.38
373394 ncm-dbt-02 588600 500 189 66 245 +87.26 ± 13.01 0 9 109 132 0 +187.16 ± 32.4
373393 ncm-dbt-04 556299 500 189 57 254 +93.95 ± 13.13 0 6 109 132 3 +198.34 ± 32.19
373392 ncm-dbt-05 599627 500 198 66 236 +93.95 ± 13.45 0 11 96 143 0 +204.07 ± 34.89
373391 ncm-dbt-02 588430 500 186 71 243 +81.36 ± 13.96 0 14 109 125 2 +169.27 ± 32.62
373390 ncm-dbt-01 581610 500 188 69 243 +84.3 ± 14.9 0 18 99 129 4 +172.78 ± 34.4
373389 ncm-dbt-03 587197 500 198 71 231 +90.22 ± 13.7 0 10 106 131 3 +189.0 ± 32.98
373388 ncm-dbt-04 556299 500 189 66 245 +87.26 ± 13.8 1 9 108 130 2 +185.33 ± 32.63

Commit

Commit ID 9fb58328e363d84e3cf720b018e639b139ba95c2
Author Taras Vuk
Date 2024-08-20 19:37:25 UTC
Tweak late move extensions Allow late move extensions only for PV and cut nodes. Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 44512 W: 11688 L: 11355 D: 21469 Ptnml(0-2): 167, 5180, 11229, 5513, 167 https://tests.stockfishchess.org/tests/view/66c0509d4ff211be9d4ef10e Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 152970 W: 39026 L: 38466 D: 75478 Ptnml(0-2): 102, 16792, 42164, 17298, 129 https://tests.stockfishchess.org/tests/view/66c0994d21503a509c13b2b6 closes https://github.com/official-stockfish/Stockfish/pull/5541 bench: 1484730
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