Dev Builds » 20240521-0640

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 06:50:51 584605 4000 1474 618 1908 +75.52 ± 4.92 1 126 895 972 6 +157.87 ± 11.34
ncm-dbt-02 06:52:28 585404 4012 1448 620 1944 +72.75 ± 5.0 0 145 897 955 9 +150.63 ± 11.34
ncm-dbt-03 06:52:00 586410 3998 1455 625 1918 +73.19 ± 5.03 3 139 890 959 8 +152.48 ± 11.39
ncm-dbt-04 06:51:27 571327 4000 1461 624 1915 +73.79 ± 5.01 0 144 883 965 8 +153.23 ± 11.44
ncm-dbt-05 06:52:43 585298 3990 1462 621 1907 +74.35 ± 4.98 1 136 886 965 7 +154.93 ± 11.41
20000 7300 3108 9592 +73.92 ± 2.23 5 690 4451 4816 38 +153.82 ± 5.09

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
385652 ncm-dbt-02 586858 12 4 3 5 +29.01 ± 98.94 0 1 3 2 0 +58.45 ± 226.57
385651 ncm-dbt-05 583950 490 186 72 232 +82.34 ± 14.63 1 15 99 129 1 +175.13 ± 34.39
385650 ncm-dbt-03 587452 498 182 73 243 +77.3 ± 13.73 1 10 119 117 2 +161.38 ± 30.84
385649 ncm-dbt-01 582277 500 197 75 228 +86.52 ± 14.08 0 15 99 135 1 +183.51 ± 34.39
385648 ncm-dbt-04 571873 500 177 88 235 +62.51 ± 14.44 0 24 113 113 0 +129.35 ± 32.14
385647 ncm-dbt-02 583154 500 176 67 257 +76.97 ± 13.83 0 14 115 119 2 +158.93 ± 31.63
385646 ncm-dbt-03 585379 500 190 73 237 +82.83 ± 14.29 1 13 106 128 2 +174.55 ± 33.13
385645 ncm-dbt-01 582193 500 196 77 227 +84.3 ± 13.73 0 13 106 130 1 +178.11 ± 33.1
385644 ncm-dbt-05 584748 500 180 68 252 +79.17 ± 14.05 0 16 107 126 1 +165.8 ± 33.0
385643 ncm-dbt-04 571833 500 189 83 228 +74.79 ± 13.91 0 15 116 117 2 +153.86 ± 31.51
385642 ncm-dbt-02 587282 500 186 87 227 +69.71 ± 13.59 0 16 119 115 0 +145.54 ± 31.07
385641 ncm-dbt-01 586393 500 184 81 235 +72.61 ± 12.61 0 9 129 112 0 +152.18 ± 29.18
385640 ncm-dbt-03 585801 500 182 77 241 +74.06 ± 14.74 0 22 102 125 1 +153.86 ± 33.87
385639 ncm-dbt-05 586477 500 188 71 241 +82.83 ± 13.54 0 13 107 130 0 +176.33 ± 32.93
385638 ncm-dbt-04 572477 500 187 70 243 +82.83 ± 13.7 0 14 105 131 0 +176.33 ± 33.3
385637 ncm-dbt-02 586774 500 177 71 252 +74.79 ± 14.06 0 17 111 121 1 +155.54 ± 32.36
385636 ncm-dbt-03 587792 500 186 85 229 +71.16 ± 14.22 0 19 112 118 1 +147.19 ± 32.24
385635 ncm-dbt-01 587197 500 177 74 249 +72.61 ± 13.39 0 14 119 117 0 +152.18 ± 31.0
385634 ncm-dbt-05 586901 500 166 82 252 +58.93 ± 14.29 0 23 121 105 1 +119.89 ± 30.94
385633 ncm-dbt-04 569111 500 180 75 245 +74.06 ± 14.03 0 18 109 123 0 +155.54 ± 32.7
385632 ncm-dbt-02 582694 500 186 76 238 +77.7 ± 14.58 0 20 101 128 1 +162.35 ± 34.05
385631 ncm-dbt-03 587877 500 185 82 233 +72.61 ± 14.41 0 20 108 121 1 +150.51 ± 32.89
385630 ncm-dbt-01 584832 500 193 76 231 +82.83 ± 15.0 0 22 90 137 1 +174.55 ± 35.98
385629 ncm-dbt-05 586562 500 188 87 225 +71.16 ± 14.64 0 22 106 121 1 +147.19 ± 33.22
385628 ncm-dbt-04 571712 500 180 75 245 +74.06 ± 15.15 0 23 102 122 3 +150.51 ± 33.87
385627 ncm-dbt-02 586858 500 164 76 260 +61.79 ± 14.27 0 22 119 108 1 +126.18 ± 31.22
385626 ncm-dbt-03 585632 500 180 86 234 +66.1 ± 14.59 1 20 114 114 1 +137.37 ± 31.96
385625 ncm-dbt-01 583824 500 173 79 248 +66.1 ± 13.6 0 17 122 111 0 +137.37 ± 30.65
385624 ncm-dbt-05 582611 500 191 81 228 +77.71 ± 14.15 0 18 104 128 0 +164.07 ± 33.53
385623 ncm-dbt-04 570148 500 193 81 226 +79.17 ± 13.29 0 12 114 124 0 +167.53 ± 31.71
385622 ncm-dbt-02 585464 500 180 85 235 +66.82 ± 14.34 0 22 111 117 0 +138.99 ± 32.43
385621 ncm-dbt-03 584579 500 178 78 244 +70.44 ± 13.91 0 18 114 118 0 +147.19 ± 31.9
385620 ncm-dbt-01 585379 500 177 77 246 +70.44 ± 14.48 1 18 112 118 1 +147.19 ± 32.24
385619 ncm-dbt-05 586520 500 193 77 230 +82.1 ± 13.06 0 9 117 123 1 +172.78 ± 31.06
385618 ncm-dbt-04 570669 500 178 76 246 +71.88 ± 14.39 0 21 106 123 0 +150.51 ± 33.22
385617 ncm-dbt-02 582569 500 192 82 226 +77.7 ± 14.0 0 14 115 118 3 +158.93 ± 31.63
385616 ncm-dbt-01 584748 500 177 79 244 +68.99 ± 14.14 0 18 118 112 2 +140.62 ± 31.28
385615 ncm-dbt-03 586774 500 172 71 257 +71.16 ± 13.79 0 17 115 118 0 +148.85 ± 31.72
385614 ncm-dbt-05 584622 500 170 83 247 +61.07 ± 14.1 0 20 125 103 2 +123.02 ± 30.3
385613 ncm-dbt-04 572800 500 177 76 247 +71.16 ± 14.22 0 17 118 112 3 +143.89 ± 31.26
385612 ncm-dbt-02 586985 500 183 73 244 +77.7 ± 14.44 0 19 103 127 1 +162.35 ± 33.71

Commit

Commit ID f27a9be29c74b1d12babeb8a06ee992a22d67c9a
Author Shawn Xu
Date 2024-05-21 06:40:37 UTC
Reduce When TTValue is Above Alpha Passed STC: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 53376 W: 13818 L: 13476 D: 26082 Ptnml(0-2): 156, 6212, 13626, 6522, 172 https://tests.stockfishchess.org/tests/view/664aa261830eb9f8866145e5 Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 393444 W: 100096 L: 99042 D: 194306 Ptnml(0-2): 191, 43516, 108248, 44582, 185 https://tests.stockfishchess.org/tests/view/664ab54f830eb9f88661463c closes https://github.com/official-stockfish/Stockfish/pull/5276 Bench: 1024562
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