Dev Builds » 20250426-2033

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 06:45:06 581856 4018 1678 443 1897 +110.36 ± 4.78 1 56 688 1235 29 +241.26 ± 12.96
ncm-dbt-02 06:45:58 584391 3988 1633 451 1904 +106.16 ± 4.73 2 59 702 1217 14 +233.72 ± 12.83
ncm-dbt-03 06:45:55 585358 4012 1660 472 1880 +106.06 ± 4.78 0 60 726 1192 28 +229.26 ± 12.6
ncm-dbt-04 06:43:51 570957 4000 1628 494 1878 +101.27 ± 4.8 0 70 747 1162 21 +218.1 ± 12.43
ncm-dbt-05 06:46:16 586757 3982 1585 470 1927 +99.95 ± 4.83 1 77 732 1168 13 +216.84 ± 12.57
20000 8184 2330 9486 +104.76 ± 2.14 4 322 3595 5974 105 +227.71 ± 5.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
410694 ncm-dbt-03 585885 12 5 5 2 -0.0 ± 81.87 0 1 4 1 0 -0.0 ± 173.65
410693 ncm-dbt-01 581818 18 6 1 11 +99.06 ± 62.04 0 0 4 5 0 +217.54 ± 198.33
410692 ncm-dbt-02 585211 488 206 54 228 +111.94 ± 12.69 0 5 82 157 0 +253.56 ± 37.74
410691 ncm-dbt-05 578794 482 184 49 249 +99.98 ± 14.98 1 13 79 146 2 +217.86 ± 38.56
410690 ncm-dbt-04 572276 500 203 72 225 +93.2 ± 13.44 0 8 106 133 3 +196.45 ± 32.87
410689 ncm-dbt-03 586858 500 211 65 224 +104.49 ± 13.71 0 8 92 146 4 +223.94 ± 35.61
410688 ncm-dbt-01 581610 500 203 54 243 +106.77 ± 13.06 0 5 94 148 3 +232.26 ± 35.0
410687 ncm-dbt-02 584748 500 202 64 234 +98.44 ± 13.98 1 8 96 142 3 +211.87 ± 34.83
410686 ncm-dbt-05 585000 500 201 55 244 +104.49 ± 13.55 0 10 85 154 1 +230.16 ± 37.2
410685 ncm-dbt-04 571230 500 205 59 236 +104.49 ± 13.55 0 10 85 154 1 +230.16 ± 37.2
410684 ncm-dbt-03 583782 500 204 52 244 +109.07 ± 13.4 0 7 87 153 3 +238.66 ± 36.67
410683 ncm-dbt-01 576537 500 206 65 229 +100.7 ± 13.69 0 8 97 141 4 +213.85 ± 34.58
410682 ncm-dbt-02 586266 500 198 53 249 +103.73 ± 13.05 0 8 89 153 0 +230.16 ± 36.26
410681 ncm-dbt-05 584327 500 190 58 252 +93.95 ± 13.77 0 12 95 142 1 +202.15 ± 35.11
410680 ncm-dbt-04 570268 500 205 49 246 +112.14 ± 13.89 0 7 86 151 6 +240.82 ± 36.9
410679 ncm-dbt-03 585126 500 201 57 242 +102.97 ± 13.38 0 8 92 148 2 +223.94 ± 35.61
410678 ncm-dbt-01 585000 500 209 59 232 +107.54 ± 13.23 0 7 88 153 2 +236.51 ± 36.44
410677 ncm-dbt-02 587240 500 205 49 246 +112.14 ± 13.22 0 8 79 162 1 +251.89 ± 38.63
410676 ncm-dbt-05 585885 500 196 69 235 +90.22 ± 13.55 0 10 105 133 2 +190.85 ± 33.16
410675 ncm-dbt-04 570709 500 195 63 242 +93.95 ± 13.61 0 11 97 141 1 +202.15 ± 34.7
410674 ncm-dbt-03 585421 500 198 70 232 +90.96 ± 14.62 0 15 96 135 4 +189.0 ± 34.95
410673 ncm-dbt-01 581943 500 219 60 221 +114.45 ± 13.38 0 6 83 157 4 +251.89 ± 37.57
410672 ncm-dbt-02 580904 500 209 70 221 +99.2 ± 14.14 1 8 96 141 4 +211.87 ± 34.83
410671 ncm-dbt-05 587792 500 201 60 239 +100.7 ± 13.36 0 8 95 145 2 +217.85 ± 34.98
410670 ncm-dbt-04 569031 500 209 59 232 +107.54 ± 13.4 0 9 83 157 1 +238.66 ± 37.66
410669 ncm-dbt-03 584453 500 206 49 245 +112.91 ± 12.86 0 3 91 152 4 +247.41 ± 35.47
410668 ncm-dbt-01 581070 500 208 54 238 +110.6 ± 14.53 1 8 83 152 6 +238.66 ± 37.66
410667 ncm-dbt-02 589283 500 202 50 248 +109.07 ± 13.23 0 7 86 155 2 +240.82 ± 36.9
410666 ncm-dbt-04 569350 500 207 74 219 +94.69 ± 12.97 0 7 104 138 1 +204.07 ± 33.17
410665 ncm-dbt-01 582110 500 211 56 233 +111.37 ± 14.38 0 10 81 153 6 +238.66 ± 38.15
410664 ncm-dbt-05 583363 500 208 66 226 +101.46 ± 14.17 0 12 87 148 3 +217.85 ± 36.77
410663 ncm-dbt-03 583992 500 213 56 231 +112.91 ± 13.39 0 5 88 152 5 +245.2 ± 36.32
410662 ncm-dbt-04 572356 500 204 54 242 +107.54 ± 13.73 0 7 91 147 5 +230.16 ± 35.78
410661 ncm-dbt-02 582110 500 212 52 236 +115.22 ± 13.2 0 5 84 157 4 +254.16 ± 37.27
410660 ncm-dbt-03 584622 500 211 59 230 +109.07 ± 13.05 0 5 91 151 3 +238.66 ± 35.65
410659 ncm-dbt-01 581153 500 207 41 252 +119.89 ± 13.16 0 6 75 166 3 +270.57 ± 39.67
410658 ncm-dbt-05 585759 500 203 52 245 +108.3 ± 12.53 0 3 95 150 2 +238.66 ± 34.61
410657 ncm-dbt-04 572437 500 200 64 236 +96.94 ± 13.96 0 11 95 141 3 +206.01 ± 35.09
410656 ncm-dbt-01 585464 500 209 53 238 +112.14 ± 12.87 0 6 83 160 1 +251.89 ± 37.57
410655 ncm-dbt-02 579372 500 199 59 242 +99.95 ± 13.36 0 10 90 150 0 +219.87 ± 36.1
410654 ncm-dbt-03 588089 500 211 59 230 +109.07 ± 13.56 0 8 85 154 3 +238.66 ± 37.17
410653 ncm-dbt-05 603142 500 202 61 237 +100.7 ± 13.2 0 9 91 150 0 +221.9 ± 35.86

Commit

Commit ID 7e6a0c464bd0fce5b5d94f7d6bd4af3d4d282504
Author Myself
Date 2025-04-26 20:33:49 UTC
Check only if good see. Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 106400 W: 27863 L: 27444 D: 51093 Ptnml(0-2): 320, 12431, 27275, 12858, 316 https://tests.stockfishchess.org/tests/view/6806239498cd372e3aea5949 Passed LTC: LLR: 2.96 (-2.94,2.94) <0.50,2.50> Total: 420534 W: 107594 L: 106494 D: 206446 Ptnml(0-2): 197, 45541, 117722, 46579, 228 https://tests.stockfishchess.org/tests/view/6806b4b3878abf56f9a0d4fc closes https://github.com/official-stockfish/Stockfish/pull/6020 bench: 1675758
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