Dev Builds » 20250204-2208

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 06:51:15 584023 4028 1583 522 1923 +93.73 ± 4.95 4 89 782 1120 19 +199.94 ± 12.16
ncm-dbt-02 06:48:36 587357 3998 1552 555 1891 +88.51 ± 4.9 2 98 810 1079 10 +188.42 ± 11.94
ncm-dbt-03 06:48:54 586412 4000 1559 541 1900 +90.41 ± 4.92 1 94 809 1078 18 +191.08 ± 11.94
ncm-dbt-04 06:49:07 570159 4000 1548 495 1957 +93.67 ± 4.84 0 85 793 1106 16 +199.53 ± 12.06
ncm-dbt-05 06:48:59 582544 3974 1533 516 1925 +90.93 ± 4.87 1 87 807 1078 14 +193.31 ± 11.94
20000 7775 2629 9596 +91.45 ± 2.19 8 453 4001 5461 77 +194.43 ± 5.37

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
398543 ncm-dbt-01 582444 28 12 4 12 +102.07 ± 49.52 0 0 6 8 0 +225.65 ± 150.67
398542 ncm-dbt-05 579248 474 179 54 241 +93.84 ± 14.42 0 12 90 133 2 +199.76 ± 36.1
398541 ncm-dbt-02 587367 498 196 75 227 +86.14 ± 14.7 1 16 94 137 1 +184.4 ± 35.32
398540 ncm-dbt-03 588217 500 206 61 233 +103.73 ± 13.71 0 6 99 139 6 +217.85 ± 34.06
398539 ncm-dbt-04 569869 500 199 62 239 +97.69 ± 14.13 0 12 92 143 3 +207.95 ± 35.71
398538 ncm-dbt-01 586477 500 208 58 234 +107.54 ± 13.23 0 7 88 153 2 +236.51 ± 36.44
398537 ncm-dbt-05 580987 500 193 66 241 +90.22 ± 14.01 0 11 105 130 4 +187.16 ± 33.21
398536 ncm-dbt-02 586223 500 191 75 234 +82.1 ± 14.42 0 18 99 132 1 +172.78 ± 34.4
398535 ncm-dbt-03 587325 500 193 68 239 +88.74 ± 14.28 0 15 97 136 2 +187.16 ± 34.76
398534 ncm-dbt-04 570348 500 191 52 257 +99.2 ± 13.83 0 10 94 143 3 +211.87 ± 35.26
398533 ncm-dbt-01 584579 500 190 65 245 +88.74 ± 15.14 2 14 94 137 3 +189.0 ± 35.33
398532 ncm-dbt-05 581153 500 202 83 215 +84.3 ± 13.73 0 12 109 127 2 +176.33 ± 32.55
398531 ncm-dbt-02 586689 500 194 62 244 +93.95 ± 13.92 0 13 93 143 1 +202.15 ± 35.52
398530 ncm-dbt-03 588174 500 187 63 250 +88.0 ± 14.41 0 16 96 136 2 +185.33 ± 34.95
398529 ncm-dbt-04 569470 500 192 64 244 +90.96 ± 14.02 0 12 101 134 3 +190.85 ± 33.97
398528 ncm-dbt-01 583531 500 197 65 238 +93.95 ± 14.07 0 13 94 141 2 +200.24 ± 35.32
398527 ncm-dbt-05 582652 500 195 61 244 +95.44 ± 13.63 1 8 98 142 1 +207.95 ± 34.43
398526 ncm-dbt-02 583405 500 192 62 246 +92.45 ± 12.61 0 6 108 136 0 +200.24 ± 32.37
398525 ncm-dbt-03 583447 500 196 73 231 +87.26 ± 13.33 0 10 108 131 1 +185.33 ± 32.63
398524 ncm-dbt-04 570629 500 188 63 249 +88.74 ± 13.04 0 8 110 131 1 +189.0 ± 32.17
398523 ncm-dbt-01 581902 500 206 65 229 +100.7 ± 12.86 0 6 98 145 1 +219.87 ± 34.26
398522 ncm-dbt-05 582652 500 192 75 233 +82.83 ± 14.14 0 16 102 131 1 +174.55 ± 33.86
398521 ncm-dbt-02 589710 500 190 72 238 +83.57 ± 14.01 0 13 109 125 3 +172.78 ± 32.58
398520 ncm-dbt-03 586393 500 183 71 246 +79.17 ± 13.6 0 13 113 123 1 +165.8 ± 31.92
398519 ncm-dbt-04 570268 500 188 68 244 +85.04 ± 14.2 0 15 102 131 2 +178.11 ± 33.85
398518 ncm-dbt-01 586435 500 186 63 251 +87.26 ± 13.95 0 13 103 132 2 +183.51 ± 33.63
398517 ncm-dbt-02 587494 500 200 75 225 +88.74 ± 13.83 0 11 106 130 3 +185.33 ± 33.03
398516 ncm-dbt-05 582402 500 183 68 249 +81.36 ± 13.66 0 13 110 126 1 +171.02 ± 32.42
398515 ncm-dbt-03 584874 500 205 64 231 +100.7 ± 13.53 0 8 96 143 3 +215.85 ± 34.78
398514 ncm-dbt-04 571110 500 196 56 248 +99.95 ± 13.84 0 10 93 144 3 +213.85 ± 35.47
398513 ncm-dbt-01 583656 500 186 62 252 +88.0 ± 14.85 1 15 96 135 3 +185.33 ± 34.95
398512 ncm-dbt-02 589069 500 193 65 242 +90.96 ± 13.56 0 11 101 137 1 +194.57 ± 33.94
398511 ncm-dbt-05 585928 500 197 56 247 +100.7 ± 13.53 0 8 96 143 3 +215.85 ± 34.78
398510 ncm-dbt-03 586139 500 200 64 236 +96.94 ± 12.83 0 6 103 140 1 +209.91 ± 33.29
398509 ncm-dbt-04 570629 500 198 66 236 +93.95 ± 13.13 0 9 100 141 0 +204.07 ± 34.04
398508 ncm-dbt-01 583070 500 198 64 238 +95.44 ± 13.63 1 7 101 139 2 +206.01 ± 33.8
398507 ncm-dbt-02 588899 500 196 69 235 +90.22 ± 13.7 1 10 100 139 0 +196.45 ± 34.12
398506 ncm-dbt-05 585337 500 192 53 255 +99.2 ± 12.85 0 7 97 146 0 +217.85 ± 34.53
398505 ncm-dbt-03 586731 500 189 77 234 +79.17 ± 15.17 1 20 97 130 2 +165.8 ± 34.73
398504 ncm-dbt-04 568951 500 196 64 240 +93.95 ± 13.29 0 9 101 139 1 +202.15 ± 33.85
398503 ncm-dbt-01 584117 500 200 76 224 +88.0 ± 14.41 0 14 102 130 4 +181.7 ± 33.83

Commit

Commit ID 2a5b41fd12184d5ab8dedd6ed03d9c2b0fb218a3
Author Disservin
Date 2025-02-04 22:08:43 UTC
Fixes a wrongly combined merge conflict from the previous merge wave. Passed STC: https://tests.stockfishchess.org/tests/view/67a288aaeb183d11c65945f1 LLR: 2.99 (-2.94,2.94) <0.00,2.00> Total: 51424 W: 13588 L: 13237 D: 24599 Ptnml(0-2): 223, 6039, 12860, 6344, 246 Passed LTC: https://tests.stockfishchess.org/tests/view/67a28c0aeb183d11c6594609 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 54144 W: 13900 L: 13543 D: 26701 Ptnml(0-2): 42, 5881, 14870, 6236, 43 closes https://github.com/official-stockfish/Stockfish/pull/5863 Bench: 2345723
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