Dev Builds » 20250118-1935

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 06:50:54 584319 4000 1554 537 1909 +90.32 ± 4.83 1 84 827 1073 15 +191.54 ± 11.78
ncm-dbt-02 06:53:01 586585 4016 1543 537 1936 +88.92 ± 4.82 4 81 839 1073 11 +189.7 ± 11.69
ncm-dbt-03 06:52:45 586295 4012 1541 558 1913 +86.89 ± 4.95 0 113 809 1072 12 +183.54 ± 11.96
ncm-dbt-04 06:52:30 570897 3996 1568 544 1884 +91.06 ± 5.03 1 115 753 1117 12 +194.11 ± 12.42
ncm-dbt-05 06:51:31 583356 3976 1515 526 1935 +88.27 ± 4.94 4 98 799 1079 8 +188.76 ± 12.03
20000 7721 2702 9577 +89.09 ± 2.2 10 491 4027 5414 58 +189.51 ± 5.35

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
396550 ncm-dbt-03 585548 12 4 2 6 +58.39 ± 68.56 0 0 4 2 0 +120.33 ± 161.99
396549 ncm-dbt-02 587707 16 7 2 7 +112.26 ± 65.75 0 0 3 5 0 +254.61 ± 287.37
396548 ncm-dbt-05 588089 476 195 66 215 +96.57 ± 14.42 1 8 93 133 3 +206.79 ± 35.38
396547 ncm-dbt-04 571873 496 199 66 231 +95.5 ± 14.33 0 15 86 146 1 +206.13 ± 36.95
396546 ncm-dbt-03 587452 500 194 68 238 +89.48 ± 14.59 0 15 98 133 4 +185.33 ± 34.57
396545 ncm-dbt-01 584579 500 198 75 227 +87.26 ± 13.33 0 10 108 131 1 +185.33 ± 32.63
396544 ncm-dbt-02 586774 500 188 62 250 +89.48 ± 13.84 1 11 99 139 0 +194.57 ± 34.34
396543 ncm-dbt-05 582652 500 185 61 254 +88.0 ± 13.81 0 13 101 135 1 +187.16 ± 33.99
396542 ncm-dbt-04 572034 500 202 67 231 +96.19 ± 13.95 0 12 93 143 2 +206.01 ± 35.51
396541 ncm-dbt-03 584495 500 190 74 236 +82.1 ± 14.56 0 18 100 130 2 +171.02 ± 34.23
396540 ncm-dbt-01 581153 500 200 76 224 +88.0 ± 13.19 0 9 109 131 1 +187.16 ± 32.4
396539 ncm-dbt-02 586520 500 188 67 245 +85.78 ± 14.51 1 15 97 136 1 +183.51 ± 34.76
396538 ncm-dbt-05 581236 500 189 55 256 +95.44 ± 13.31 0 8 102 138 2 +204.07 ± 33.61
396537 ncm-dbt-04 569509 500 198 56 246 +101.46 ± 14.01 0 11 89 147 3 +217.85 ± 36.33
396536 ncm-dbt-01 585126 500 191 60 249 +93.2 ± 13.91 0 11 100 136 3 +196.45 ± 34.12
396535 ncm-dbt-03 585548 500 194 71 235 +87.26 ± 13.49 0 12 103 135 0 +187.16 ± 33.6
396534 ncm-dbt-02 586646 500 209 72 219 +97.69 ± 13.66 0 9 98 140 3 +207.95 ± 34.43
396533 ncm-dbt-05 582987 500 186 79 235 +75.52 ± 14.65 2 16 105 127 0 +162.35 ± 33.37
396532 ncm-dbt-01 584706 500 196 64 240 +93.95 ± 13.45 0 9 102 137 2 +200.24 ± 33.67
396531 ncm-dbt-04 569949 500 195 74 231 +85.78 ± 14.79 0 20 90 139 1 +181.7 ± 36.03
396530 ncm-dbt-03 587579 500 187 66 247 +85.78 ± 14.07 0 14 103 131 2 +179.9 ± 33.65
396529 ncm-dbt-02 588813 500 192 60 248 +93.95 ± 12.96 0 6 108 134 2 +200.24 ± 32.37
396528 ncm-dbt-05 581777 500 187 71 242 +82.1 ± 14.27 0 17 101 131 1 +172.78 ± 34.05
396527 ncm-dbt-03 585801 500 202 68 230 +95.44 ± 14.1 0 14 89 146 1 +206.01 ± 36.33
396526 ncm-dbt-04 572195 500 190 63 247 +90.22 ± 14.16 0 16 91 143 0 +194.57 ± 35.91
396525 ncm-dbt-01 584034 500 182 61 257 +85.78 ± 13.61 0 12 106 131 1 +181.7 ± 33.07
396524 ncm-dbt-02 583321 500 192 65 243 +90.22 ± 13.39 0 8 110 129 3 +189.0 ± 32.17
396523 ncm-dbt-05 581693 500 191 64 245 +90.22 ± 14.01 0 15 93 142 0 +194.57 ± 35.52
396522 ncm-dbt-03 586350 500 193 72 235 +85.78 ± 13.46 0 12 105 133 0 +183.51 ± 33.24
396521 ncm-dbt-01 584916 500 188 65 247 +87.26 ± 13.33 0 10 108 131 1 +185.33 ± 32.63
396520 ncm-dbt-04 570829 500 187 66 247 +85.78 ± 13.92 0 13 105 130 2 +179.9 ± 33.27
396519 ncm-dbt-02 587028 500 186 71 243 +81.37 ± 13.81 1 11 111 126 1 +172.78 ± 32.21
396518 ncm-dbt-05 582193 500 191 66 243 +88.74 ± 13.36 0 11 103 136 0 +190.85 ± 33.57
396517 ncm-dbt-01 585379 500 200 65 235 +96.19 ± 14.11 0 11 97 138 4 +202.15 ± 34.7
396516 ncm-dbt-02 584117 500 187 64 249 +87.26 ± 13.01 0 9 109 132 0 +187.16 ± 32.4
396515 ncm-dbt-03 587622 500 187 75 238 +79.17 ± 14.19 0 17 105 127 1 +165.8 ± 33.35
396514 ncm-dbt-04 572074 500 200 70 230 +92.46 ± 14.5 1 13 93 141 2 +198.34 ± 35.52
396513 ncm-dbt-05 586223 500 191 64 245 +90.22 ± 13.86 1 10 101 137 1 +194.57 ± 33.94
396512 ncm-dbt-04 568713 500 197 82 221 +81.36 ± 13.96 0 15 106 128 1 +171.02 ± 33.15
396511 ncm-dbt-01 584664 500 199 71 230 +90.97 ± 14.32 1 12 97 138 2 +194.57 ± 34.74
396510 ncm-dbt-02 588345 500 194 74 232 +85.04 ± 14.05 1 12 104 132 1 +181.7 ± 33.45
396509 ncm-dbt-03 586266 500 190 62 248 +90.96 ± 13.72 0 11 102 135 2 +192.71 ± 33.75

Commit

Commit ID 56000827af401563737e7be5cf97061133d00f79
Author pb00067
Date 2025-01-18 19:35:46 UTC
Simplify common hint for parent position Removes function hint_common_access_for_perspective together with it's comments, which weren't accurate anymore since merge of #5576 https://tests.stockfishchess.org/tests/view/6784c9cd460e2910c51dde39 LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 295104 W: 76702 L: 76765 D: 141637 Ptnml(0-2): 1031, 32135, 81249, 32140, 997 closes https://github.com/official-stockfish/Stockfish/pull/5780 No functional change
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