Dev Builds » 20230813-0944

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 06:54:21 584787 4002 1370 691 1941 +59.52 ± 5.07 0 186 959 847 9 +121.0 ± 10.96
ncm-dbt-02 06:54:47 584840 4014 1351 708 1955 +56.14 ± 4.99 2 181 1001 818 5 +114.79 ± 10.7
ncm-dbt-03 06:52:53 585575 4000 1395 696 1909 +61.34 ± 5.09 4 168 965 851 12 +125.19 ± 10.91
ncm-dbt-04 06:51:53 572248 4000 1367 706 1927 +57.95 ± 5.04 3 175 989 824 9 +118.14 ± 10.77
ncm-dbt-05 06:53:46 584157 3984 1349 683 1952 +58.63 ± 5.02 1 174 983 826 8 +119.43 ± 10.8
20000 6832 3484 9684 +58.71 ± 2.25 10 884 4897 4166 43 +119.7 ± 4.84

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
378259 ncm-dbt-01 583992 2 2 0 0 +1041.08 ± 395.59 0 0 0 0 1 +1129.65 ± 376.02
378258 ncm-dbt-02 583992 14 7 1 6 +159.07 ± 56.3 0 0 1 6 0 +445.23 ± 480.27
378257 ncm-dbt-05 588600 484 163 83 238 +57.96 ± 14.44 0 21 122 97 2 +116.12 ± 30.69
378256 ncm-dbt-03 587707 500 171 80 249 +63.94 ± 13.8 0 18 124 107 1 +130.94 ± 30.38
378255 ncm-dbt-04 571270 500 174 82 244 +64.66 ± 14.8 0 24 112 112 2 +130.94 ± 32.29
378254 ncm-dbt-01 586012 500 178 81 241 +68.27 ± 13.97 0 18 118 113 1 +140.62 ± 31.28
378253 ncm-dbt-02 584537 500 157 84 259 +51.09 ± 13.19 0 19 139 92 0 +104.49 ± 28.28
378252 ncm-dbt-05 582527 500 175 92 233 +58.21 ± 13.55 0 19 129 102 0 +119.89 ± 29.69
378251 ncm-dbt-03 585674 500 178 97 225 +56.78 ± 14.32 1 20 128 99 2 +115.23 ± 29.89
378250 ncm-dbt-04 570308 500 165 86 249 +55.36 ± 14.53 0 25 123 100 2 +110.6 ± 30.69
378249 ncm-dbt-01 583656 500 167 76 257 +63.95 ± 14.78 0 26 107 117 0 +132.54 ± 33.05
378248 ncm-dbt-02 585885 500 179 102 219 +53.93 ± 13.91 1 18 136 93 2 +109.07 ± 28.7
378247 ncm-dbt-05 583866 500 163 93 244 +48.96 ± 14.47 0 28 125 96 1 +98.44 ± 30.45
378246 ncm-dbt-03 584748 500 169 98 233 +49.67 ± 14.64 1 27 122 100 0 +102.97 ± 30.86
378245 ncm-dbt-04 570749 500 166 78 256 +61.79 ± 13.99 0 20 123 106 1 +126.18 ± 30.59
378244 ncm-dbt-01 585337 500 171 90 239 +56.78 ± 14.32 0 23 125 100 2 +113.68 ± 30.37
378243 ncm-dbt-02 584622 500 166 90 244 +53.22 ± 14.29 0 25 125 99 1 +107.54 ± 30.4
378242 ncm-dbt-05 583321 500 169 77 254 +64.66 ± 14.39 1 19 118 111 1 +134.15 ± 31.33
378241 ncm-dbt-03 585674 500 179 83 238 +67.54 ± 14.51 0 19 120 107 4 +134.15 ± 31.01
378240 ncm-dbt-04 572477 500 166 105 229 +42.6 ± 13.42 0 24 141 85 0 +86.52 ± 28.17
378239 ncm-dbt-01 584579 500 178 95 227 +58.21 ± 13.83 0 20 128 101 1 +118.33 ± 29.86
378238 ncm-dbt-02 587070 500 165 76 259 +62.51 ± 14.44 1 20 119 109 1 +129.35 ± 31.2
378237 ncm-dbt-05 580904 500 162 77 261 +59.64 ± 13.76 0 19 128 102 1 +121.46 ± 29.83
378236 ncm-dbt-03 585421 500 169 77 254 +64.66 ± 14.67 0 24 111 114 1 +132.54 ± 32.44
378235 ncm-dbt-04 574622 500 179 83 238 +67.54 ± 14.23 0 20 115 114 1 +138.99 ± 31.79
378234 ncm-dbt-01 584159 500 162 87 251 +52.51 ± 13.84 0 23 129 98 0 +107.54 ± 29.8
378233 ncm-dbt-02 583572 500 172 94 234 +54.65 ± 13.8 0 22 128 100 0 +112.14 ± 29.92
378232 ncm-dbt-05 583866 500 166 78 256 +61.79 ± 14.82 0 25 114 109 2 +124.6 ± 31.99
378231 ncm-dbt-03 584495 500 170 80 250 +63.23 ± 13.33 0 15 131 103 1 +129.35 ± 29.24
378230 ncm-dbt-04 573284 500 171 88 241 +58.21 ± 13.83 0 19 131 98 2 +116.78 ± 29.4
378229 ncm-dbt-01 586562 500 174 89 237 +59.64 ± 14.46 0 22 124 101 3 +118.33 ± 30.49
378228 ncm-dbt-02 580696 500 163 103 234 +41.89 ± 14.74 0 34 122 94 0 +85.04 ± 30.9
378227 ncm-dbt-05 583908 500 176 106 218 +48.96 ± 14.07 0 25 131 93 1 +98.44 ± 29.57
378226 ncm-dbt-03 584453 500 173 97 230 +53.22 ± 14.82 1 25 123 99 2 +107.54 ± 30.7
378225 ncm-dbt-04 572638 500 171 96 233 +52.51 ± 14.11 1 22 128 99 0 +109.07 ± 29.94
378224 ncm-dbt-01 582778 500 171 80 249 +63.94 ± 14.91 0 26 108 115 1 +130.94 ± 32.9
378223 ncm-dbt-02 584034 500 164 73 263 +63.95 ± 14.23 0 22 115 113 0 +132.54 ± 31.82
378222 ncm-dbt-03 586435 500 186 84 230 +71.89 ± 14.8 1 20 106 122 1 +150.51 ± 33.22
378221 ncm-dbt-04 572638 500 175 88 237 +61.08 ± 14.92 2 21 116 110 1 +127.76 ± 31.68
378220 ncm-dbt-05 586266 500 175 77 248 +68.99 ± 13.86 0 18 116 116 0 +143.89 ± 31.59
378219 ncm-dbt-01 586012 500 167 93 240 +51.8 ± 14.49 0 28 120 102 0 +106.01 ± 31.14
378218 ncm-dbt-02 589155 500 178 85 237 +65.38 ± 14.29 0 21 116 112 1 +134.15 ± 31.65

Commit

Commit ID b7b7a3f3fa786449832bd84d501c1183290f3e3a
Author Shahin M. Shahin
Date 2023-08-13 09:44:17 UTC
Detect repetitions before they happen in qsearch Passed STC: https://tests.stockfishchess.org/tests/view/64d495995b17f7c21c0e29ed LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 340288 W: 86664 L: 85910 D: 167714 Ptnml(0-2): 1030, 38855, 89697, 39455, 1107 Passed LTC: https://tests.stockfishchess.org/tests/view/64d5e1085b17f7c21c0e4ab5 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 193230 W: 49235 L: 48606 D: 95389 Ptnml(0-2): 98, 20432, 54921, 21071, 93 closes https://github.com/official-stockfish/Stockfish/pull/4742 Bench: 1579576
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