Dev Builds » 20240820-1924

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 06:51:29 584228 3998 1494 571 1933 +81.68 ± 4.91 3 101 879 1002 14 +171.13 ± 11.42
ncm-dbt-02 06:51:58 588561 4000 1491 586 1923 +79.99 ± 4.95 3 115 865 1008 9 +168.18 ± 11.54
ncm-dbt-03 06:52:26 587397 4006 1510 552 1944 +84.73 ± 4.96 1 107 846 1031 18 +177.13 ± 11.67
ncm-dbt-04 06:52:01 555828 3996 1543 604 1849 +83.2 ± 4.97 4 107 845 1030 12 +175.42 ± 11.68
ncm-dbt-05 06:51:42 581596 4000 1464 585 1951 +77.61 ± 5.05 3 131 862 992 12 +161.92 ± 11.58
20000 7502 2898 9600 +81.44 ± 2.22 14 561 4297 5063 65 +170.72 ± 5.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
373599 ncm-dbt-03 586985 6 3 1 2 +120.22 ± 109.7 0 0 1 2 0 +279.24 ± 576.89
373598 ncm-dbt-04 555311 496 197 77 222 +85.76 ± 13.53 0 11 107 129 1 +181.63 ± 32.84
373597 ncm-dbt-01 584706 498 190 85 223 +74.37 ± 13.94 0 14 119 113 3 +151.2 ± 30.99
373596 ncm-dbt-05 583698 500 188 79 233 +76.97 ± 13.53 0 13 116 120 1 +160.64 ± 31.43
373595 ncm-dbt-02 590953 500 185 75 240 +77.71 ± 13.85 1 13 111 125 0 +165.8 ± 32.28
373594 ncm-dbt-03 585548 500 202 57 241 +103.73 ± 13.87 0 9 91 146 4 +221.9 ± 35.86
373593 ncm-dbt-04 555424 500 187 66 247 +85.78 ± 14.51 0 18 94 137 1 +181.7 ± 35.31
373592 ncm-dbt-01 584664 500 181 70 249 +78.44 ± 13.88 1 12 113 123 1 +165.8 ± 31.92
373591 ncm-dbt-05 581236 500 176 78 246 +68.99 ± 14.7 0 22 110 116 2 +140.62 ± 32.58
373590 ncm-dbt-02 588345 500 184 85 231 +69.71 ± 13.74 0 17 117 116 0 +145.54 ± 31.41
373589 ncm-dbt-03 586816 500 199 77 224 +86.52 ± 14.81 1 16 95 136 2 +183.51 ± 35.13
373588 ncm-dbt-04 555424 500 185 79 236 +74.79 ± 14.49 0 20 105 124 1 +155.54 ± 33.38
373587 ncm-dbt-01 583908 500 201 70 229 +93.2 ± 14.51 1 12 95 139 3 +198.34 ± 35.12
373586 ncm-dbt-05 579661 500 181 67 252 +80.63 ± 14.38 0 18 101 130 1 +169.27 ± 34.05
373585 ncm-dbt-02 588260 500 184 74 242 +77.71 ± 14.15 1 15 107 127 0 +165.8 ± 33.0
373584 ncm-dbt-03 588430 500 187 56 257 +93.2 ± 13.44 0 11 97 142 0 +202.15 ± 34.7
373583 ncm-dbt-04 556908 500 184 76 240 +76.25 ± 14.53 0 20 103 126 1 +158.93 ± 33.71
373582 ncm-dbt-01 584201 500 178 63 259 +81.36 ± 13.81 0 14 108 127 1 +171.02 ± 32.78
373581 ncm-dbt-02 585801 500 183 74 243 +76.97 ± 14.41 0 18 107 123 2 +158.93 ± 33.03
373580 ncm-dbt-05 580779 500 185 69 246 +82.1 ± 14.7 0 19 98 131 2 +171.02 ± 34.58
373579 ncm-dbt-03 588302 500 194 73 233 +85.78 ± 13.92 0 13 105 130 2 +179.9 ± 33.27
373578 ncm-dbt-04 555956 500 187 85 228 +71.89 ± 14.53 1 15 119 111 4 +145.54 ± 31.07
373577 ncm-dbt-01 583531 500 189 68 243 +85.78 ± 12.65 0 7 115 128 0 +183.51 ± 31.24
373576 ncm-dbt-05 581111 500 182 71 247 +78.44 ± 14.74 2 16 101 131 0 +169.27 ± 34.05
373575 ncm-dbt-02 590096 500 192 72 236 +85.04 ± 14.2 1 12 105 130 2 +179.9 ± 33.27
373574 ncm-dbt-03 587197 500 189 74 237 +81.36 ± 14.25 0 14 111 121 4 +165.8 ± 32.28
373573 ncm-dbt-01 585759 500 183 66 251 +82.83 ± 14.0 1 11 110 126 2 +174.55 ± 32.38
373572 ncm-dbt-04 556756 500 204 75 221 +91.71 ± 13.25 1 6 107 135 1 +198.34 ± 32.63
373571 ncm-dbt-05 582277 500 188 78 234 +77.7 ± 13.71 0 12 119 116 3 +158.93 ± 30.91
373570 ncm-dbt-02 587834 500 186 64 250 +86.52 ± 13.93 0 12 107 128 3 +179.9 ± 32.89
373569 ncm-dbt-03 585674 500 167 71 262 +67.54 ± 13.95 0 17 122 109 2 +137.37 ± 30.65
373568 ncm-dbt-01 583363 500 182 82 236 +70.43 ± 14.05 0 18 115 116 1 +145.54 ± 31.75
373567 ncm-dbt-04 554780 500 200 65 235 +96.19 ± 13.8 1 8 98 141 2 +207.95 ± 34.43
373566 ncm-dbt-05 582569 500 183 65 252 +83.57 ± 13.87 0 14 105 130 1 +176.33 ± 33.3
373565 ncm-dbt-03 588217 500 187 65 248 +86.52 ± 13.78 0 12 106 130 2 +181.7 ± 33.07
373564 ncm-dbt-02 587367 500 188 68 244 +85.04 ± 13.9 0 14 103 132 1 +179.9 ± 33.65
373563 ncm-dbt-01 583698 500 190 67 243 +87.26 ± 14.1 0 13 104 130 3 +181.7 ± 33.45
373562 ncm-dbt-04 556070 500 199 81 220 +83.57 ± 13.56 1 9 112 127 1 +178.11 ± 31.94
373561 ncm-dbt-05 581444 500 181 78 241 +72.61 ± 14.55 1 17 112 118 2 +150.51 ± 32.22
373560 ncm-dbt-03 589411 500 182 78 240 +73.33 ± 13.86 0 15 118 115 2 +150.51 ± 31.19
373559 ncm-dbt-02 589839 500 189 74 237 +81.36 ± 13.81 0 14 108 127 1 +171.02 ± 32.78

Commit

Commit ID 175021721c6042896f2b35beb251edcf107d9dc2
Author Shawn Xu
Date 2024-08-20 19:24:04 UTC
Simplify bestMove promotion Passed Non-regression STC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 216768 W: 56240 L: 56217 D: 104311 Ptnml(0-2): 794, 24900, 56956, 24957, 777 https://tests.stockfishchess.org/tests/view/66bc11324ff211be9d4ee78b Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 44970 W: 11391 L: 11199 D: 22380 Ptnml(0-2): 44, 4596, 13002, 4810, 33 https://tests.stockfishchess.org/tests/view/66bdbb1b4ff211be9d4eec5a closes https://github.com/official-stockfish/Stockfish/pull/5535 bench: 1613043
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