Dev Builds » 20240320-1529

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 06:51:22 583943 3988 1474 595 1919 +77.86 ± 4.91 1 112 901 967 13 +161.84 ± 11.27
ncm-dbt-02 06:52:13 587874 4000 1447 581 1972 +76.43 ± 4.93 1 121 900 967 11 +158.93 ± 11.3
ncm-dbt-03 06:52:46 587762 3996 1439 581 1976 +75.78 ± 5.0 3 128 885 972 10 +158.05 ± 11.41
ncm-dbt-04 06:51:53 573253 4016 1503 599 1914 +79.57 ± 4.93 2 115 880 999 12 +166.32 ± 11.43
ncm-dbt-05 06:51:04 584336 4000 1499 607 1894 +78.8 ± 4.87 0 113 891 987 9 +164.72 ± 11.35
20000 7362 2963 9675 +77.69 ± 2.2 7 589 4457 4892 55 +161.96 ± 5.08

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
380801 ncm-dbt-04 574865 16 5 3 8 +43.65 ± 82.55 0 1 4 3 0 +88.74 ± 190.27
380800 ncm-dbt-01 582402 488 188 72 228 +84.2 ± 13.79 0 13 102 129 0 +179.64 ± 33.78
380799 ncm-dbt-02 588899 500 188 73 239 +81.37 ± 15.1 1 19 96 132 2 +171.02 ± 34.92
380798 ncm-dbt-03 586985 496 188 74 234 +81.31 ± 13.88 1 11 110 125 1 +172.64 ± 32.36
380797 ncm-dbt-05 586181 500 180 81 239 +69.71 ± 13.44 0 15 121 114 0 +145.54 ± 30.73
380796 ncm-dbt-04 576210 500 196 74 230 +86.52 ± 13.63 0 11 108 129 2 +181.7 ± 32.68
380795 ncm-dbt-01 585211 500 183 74 243 +76.97 ± 14.56 0 19 105 124 2 +158.93 ± 33.37
380794 ncm-dbt-03 586774 500 175 69 256 +74.79 ± 13.91 0 16 113 120 1 +155.54 ± 32.01
380793 ncm-dbt-02 590438 500 184 63 253 +85.78 ± 13.3 0 10 110 129 1 +181.7 ± 32.28
380792 ncm-dbt-05 582652 500 195 82 223 +79.9 ± 13.31 0 11 116 122 1 +167.53 ± 31.34
380791 ncm-dbt-04 573487 500 194 79 227 +81.37 ± 13.35 0 12 111 127 0 +172.78 ± 32.21
380790 ncm-dbt-01 586562 500 180 77 243 +72.61 ± 13.09 0 9 132 106 3 +147.19 ± 28.74
380789 ncm-dbt-03 586477 500 180 60 260 +85.04 ± 13.13 0 8 116 124 2 +178.11 ± 31.15
380788 ncm-dbt-02 587962 500 173 70 257 +72.61 ± 13.84 0 15 119 114 2 +148.85 ± 31.04
380787 ncm-dbt-05 584622 500 188 78 234 +77.7 ± 14.29 0 16 111 120 3 +158.93 ± 32.34
380786 ncm-dbt-04 572235 500 193 74 233 +84.31 ± 14.62 1 13 106 126 4 +174.55 ± 33.13
380785 ncm-dbt-01 582110 500 188 80 232 +76.25 ± 13.96 0 16 111 122 1 +158.93 ± 32.34
380784 ncm-dbt-03 588771 500 174 72 254 +71.88 ± 14.67 0 22 105 122 1 +148.85 ± 33.38
380783 ncm-dbt-05 584790 500 189 69 242 +85.04 ± 13.13 0 10 110 130 0 +181.7 ± 32.28
380782 ncm-dbt-02 585464 500 188 82 230 +74.79 ± 14.2 0 17 112 119 2 +153.86 ± 32.2
380781 ncm-dbt-04 571793 500 186 67 247 +84.3 ± 13.42 0 11 110 128 1 +178.11 ± 32.33
380780 ncm-dbt-01 584916 500 191 64 245 +90.22 ± 14.16 0 14 97 137 2 +190.85 ± 34.75
380779 ncm-dbt-03 588771 500 185 69 246 +82.1 ± 15.53 1 21 92 133 3 +171.02 ± 35.61
380778 ncm-dbt-05 580696 500 184 76 240 +76.25 ± 13.51 0 14 114 122 0 +160.64 ± 31.79
380777 ncm-dbt-02 587579 500 177 77 246 +70.43 ± 13.76 0 15 122 111 2 +143.89 ± 30.58
380776 ncm-dbt-04 571793 500 184 78 238 +74.79 ± 14.49 0 19 108 121 2 +153.86 ± 32.88
380775 ncm-dbt-01 582903 500 178 73 249 +74.06 ± 14.46 1 16 112 119 2 +153.86 ± 32.2
380774 ncm-dbt-03 586816 500 188 85 227 +72.61 ± 13.99 0 18 111 121 0 +152.18 ± 32.38
380773 ncm-dbt-04 571833 500 183 73 244 +77.7 ± 13.56 0 13 115 121 1 +162.35 ± 31.59
380772 ncm-dbt-05 582360 500 175 67 258 +76.25 ± 14.67 0 20 104 124 2 +157.24 ± 33.54
380771 ncm-dbt-02 588600 500 177 76 247 +71.16 ± 14.08 0 18 114 117 1 +147.19 ± 31.9
380770 ncm-dbt-01 582736 500 183 82 235 +71.16 ± 13.19 0 12 126 111 1 +147.19 ± 29.83
380769 ncm-dbt-04 575435 500 187 77 236 +77.7 ± 14.29 0 18 105 126 1 +162.35 ± 33.37
380768 ncm-dbt-03 590053 500 175 79 246 +67.54 ± 13.95 0 18 119 112 1 +138.99 ± 31.13
380767 ncm-dbt-05 584664 500 188 79 233 +76.97 ± 13.68 0 14 114 121 1 +160.64 ± 31.79
380766 ncm-dbt-02 587113 500 186 77 237 +76.97 ± 14.13 0 17 108 124 1 +160.64 ± 32.85
380765 ncm-dbt-01 584706 500 183 73 244 +77.7 ± 13.71 0 13 116 119 2 +160.64 ± 31.43
380764 ncm-dbt-04 571632 500 175 74 251 +71.16 ± 14.36 1 17 113 118 1 +148.85 ± 32.06
380763 ncm-dbt-03 587452 500 174 73 253 +71.16 ± 13.93 1 14 119 115 1 +148.85 ± 31.04
380762 ncm-dbt-02 586943 500 174 63 263 +78.44 ± 12.96 0 10 119 121 0 +165.8 ± 30.8
380761 ncm-dbt-05 588728 500 200 75 225 +88.74 ± 13.98 0 13 101 134 2 +187.16 ± 33.99

Commit

Commit ID 8e61d70499a9cebf3b7d97cf74295be5261ac0af
Author Gahtan Nahdi
Date 2024-03-20 15:29:35 UTC
Remove reduction increase on repetition Passed non-reg STC: https://tests.stockfishchess.org/tests/view/65f89ae30ec64f0526c4e0ff LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 173568 W: 45005 L: 44936 D: 83627 Ptnml(0-2): 684, 19878, 45628, 19873, 721 Passed non-reg LTC: https://tests.stockfishchess.org/tests/view/65fa0f370ec64f0526c4f42d LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 21138 W: 5432 L: 5216 D: 10490 Ptnml(0-2): 13, 2107, 6112, 2325, 12 closes https://github.com/official-stockfish/Stockfish/pull/5123 Bench: 2109005
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