Dev Builds » 20240910-2059

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 06:52:40 584840 4004 1526 565 1913 +85.05 ± 5.04 3 119 806 1062 12 +179.69 ± 11.99
ncm-dbt-02 06:53:12 587973 3996 1515 559 1922 +84.76 ± 4.91 1 102 850 1030 15 +177.87 ± 11.63
ncm-dbt-03 06:53:08 587203 4010 1537 556 1917 +86.76 ± 4.98 1 110 817 1061 16 +182.51 ± 11.9
ncm-dbt-04 06:53:05 571392 4000 1490 583 1927 +80.17 ± 5.01 2 118 868 995 17 +166.66 ± 11.52
ncm-dbt-05 06:53:48 585185 3990 1502 568 1920 +82.87 ± 5.01 4 115 829 1037 10 +175.07 ± 11.81
20000 7570 2831 9599 +83.92 ± 2.23 11 564 4170 5185 70 +176.33 ± 5.26

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
376597 ncm-dbt-01 585211 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71
376596 ncm-dbt-03 587834 10 4 0 6 +147.05 ± 74.68 0 0 1 4 0 +381.35 ± 516.06
376595 ncm-dbt-05 585843 490 187 75 228 +80.84 ± 13.83 0 12 111 120 2 +167.96 ± 32.17
376594 ncm-dbt-02 588899 496 200 65 231 +97.01 ± 13.4 0 8 99 139 2 +208.09 ± 34.17
376593 ncm-dbt-04 567958 500 186 65 249 +85.78 ± 14.36 0 14 105 127 4 +176.33 ± 33.3
376592 ncm-dbt-01 584159 500 183 68 249 +81.37 ± 14.96 1 18 98 131 2 +171.02 ± 34.58
376591 ncm-dbt-03 587579 500 193 63 244 +92.45 ± 14.79 0 16 92 138 4 +192.71 ± 35.72
376590 ncm-dbt-05 587622 500 190 84 226 +74.79 ± 13.91 0 17 110 123 0 +157.24 ± 32.52
376589 ncm-dbt-04 573284 500 188 62 250 +89.48 ± 13.38 0 8 111 128 3 +187.16 ± 31.99
376588 ncm-dbt-02 587494 500 192 61 247 +93.2 ± 14.36 1 11 97 138 3 +198.34 ± 34.72
376587 ncm-dbt-01 586562 500 192 83 225 +76.97 ± 15.24 0 23 98 126 3 +157.24 ± 34.53
376586 ncm-dbt-03 587113 500 183 73 244 +77.7 ± 14.99 0 19 107 119 5 +155.54 ± 33.04
376585 ncm-dbt-05 579372 500 181 58 261 +87.26 ± 14.97 1 17 92 138 2 +185.33 ± 35.69
376584 ncm-dbt-02 588600 500 178 77 245 +71.16 ± 14.5 0 20 111 117 2 +145.54 ± 32.41
376583 ncm-dbt-04 572437 500 180 77 243 +72.61 ± 13.39 0 13 122 114 1 +150.51 ± 30.49
376582 ncm-dbt-01 585211 500 194 73 233 +85.78 ± 13.77 1 10 107 131 1 +183.51 ± 32.85
376581 ncm-dbt-03 586901 500 189 60 251 +91.71 ± 14.34 1 14 90 145 0 +200.24 ± 36.12
376580 ncm-dbt-04 569749 500 185 82 233 +72.61 ± 14.13 0 17 115 116 2 +148.85 ± 31.72
376579 ncm-dbt-05 585548 500 185 70 245 +81.36 ± 13.51 0 12 112 125 1 +171.02 ± 32.04
376578 ncm-dbt-02 587113 500 191 68 241 +87.26 ± 14.97 0 19 92 136 3 +181.7 ± 35.67
376577 ncm-dbt-01 581485 500 196 56 248 +99.95 ± 13.52 0 10 91 148 1 +217.85 ± 35.89
376576 ncm-dbt-03 588089 500 185 84 231 +71.16 ± 13.49 0 13 125 110 2 +145.54 ± 30.03
376575 ncm-dbt-04 569669 500 200 74 226 +89.48 ± 14.44 1 13 97 137 2 +190.85 ± 34.75
376574 ncm-dbt-05 583237 500 194 73 233 +85.78 ± 14.07 1 12 103 133 1 +183.51 ± 33.63
376573 ncm-dbt-02 588899 500 200 71 229 +91.71 ± 13.73 0 11 101 136 2 +194.57 ± 33.94
376572 ncm-dbt-03 587749 500 190 74 236 +82.1 ± 13.83 0 14 107 128 1 +172.78 ± 32.96
376571 ncm-dbt-01 583531 500 187 83 230 +73.33 ± 14.01 0 17 113 119 1 +152.18 ± 32.04
376570 ncm-dbt-05 586646 500 192 64 244 +90.96 ± 14.17 0 15 93 141 1 +194.57 ± 35.52
376569 ncm-dbt-02 587792 500 179 68 253 +78.44 ± 13.73 0 15 109 126 0 +165.8 ± 32.64
376568 ncm-dbt-04 574419 500 183 79 238 +73.33 ± 14.85 0 20 110 116 4 +147.19 ± 32.57
376567 ncm-dbt-03 586985 500 201 81 218 +85.04 ± 13.13 0 9 113 127 1 +179.9 ± 31.72
376566 ncm-dbt-01 584411 500 191 72 237 +84.31 ± 14.62 1 16 97 135 1 +179.9 ± 34.76
376565 ncm-dbt-03 584832 500 196 58 246 +98.44 ± 13.98 0 13 87 149 1 +213.85 ± 36.76
376564 ncm-dbt-02 588047 500 193 75 232 +83.57 ± 13.09 0 9 115 125 1 +176.33 ± 31.38
376563 ncm-dbt-04 571632 500 183 78 239 +74.06 ± 13.89 0 17 111 122 0 +155.54 ± 32.36
376562 ncm-dbt-01 586393 500 195 65 240 +92.45 ± 14.65 0 16 91 140 3 +194.57 ± 35.91
376561 ncm-dbt-05 585421 500 181 71 248 +77.71 ± 14.58 1 17 104 127 1 +164.07 ± 33.53
376560 ncm-dbt-02 586943 500 182 74 244 +76.25 ± 13.05 0 9 126 113 2 +157.24 ± 29.64
376559 ncm-dbt-01 586604 500 186 65 249 +85.78 ± 12.98 0 9 111 130 0 +183.51 ± 32.06
376558 ncm-dbt-05 587792 500 192 73 235 +84.31 ± 14.33 1 13 104 130 2 +178.11 ± 33.48
376557 ncm-dbt-04 571994 500 185 66 249 +84.31 ± 14.62 1 16 97 135 1 +179.9 ± 34.76
376556 ncm-dbt-03 587749 500 196 63 241 +94.69 ± 13.93 0 12 95 141 2 +202.15 ± 35.11

Commit

Commit ID d8e49cdbdd8076d85b137510ee5637e36db1074f
Author Nonlinear2
Date 2024-09-10 20:59:27 UTC
Remove the `moveCount` increase in the LMR condition. Passed non-regression STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 87104 W: 22630 L: 22464 D: 42010 Ptnml(0-2): 316, 10295, 22132, 10525, 284 https://tests.stockfishchess.org/tests/view/66dccd00dc53972b68218c60 Passed non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 94050 W: 23869 L: 23722 D: 46459 Ptnml(0-2): 49, 10400, 25985, 10537, 54 https://tests.stockfishchess.org/tests/view/66dd69c7dc53972b68218ca5 closes https://github.com/official-stockfish/Stockfish/pull/5582 Bench: 1281840
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