Dev Builds » 20240217-1608

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 06:51:59 577503 4000 1467 537 1996 +82.28 ± 4.91 1 110 857 1022 10 +173.0 ± 11.59
ncm-dbt-02 06:52:43 586129 4004 1502 619 1883 +77.9 ± 4.97 2 121 884 982 13 +162.16 ± 11.41
ncm-dbt-03 06:53:01 584017 4000 1462 619 1919 +74.34 ± 4.94 1 125 916 946 12 +153.86 ± 11.19
ncm-dbt-04 06:50:28 568846 4000 1486 601 1913 +78.16 ± 4.95 2 123 869 1000 6 +164.29 ± 11.52
ncm-dbt-05 06:53:08 579879 3996 1506 613 1877 +78.98 ± 4.99 1 126 861 999 11 +164.91 ± 11.58
20000 7423 2989 9588 +78.33 ± 2.21 7 605 4387 4949 52 +163.6 ± 5.12

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
419061 ncm-dbt-02 586435 4 2 0 2 +190.27 ± 27.79 0 0 0 2 0 +1199.83 ± 312.71
419060 ncm-dbt-05 576251 496 182 81 233 +71.75 ± 14.61 0 21 106 120 1 +148.53 ± 33.21
419059 ncm-dbt-03 585590 500 186 74 240 +79.17 ± 13.6 0 13 113 123 1 +165.8 ± 31.92
419058 ncm-dbt-01 577315 500 187 78 235 +76.97 ± 14.41 0 18 107 123 2 +158.93 ± 33.03
419057 ncm-dbt-04 570029 500 183 76 241 +75.52 ± 13.34 0 13 117 120 0 +158.93 ± 31.27
419056 ncm-dbt-02 589668 500 197 85 218 +79.17 ± 14.05 0 13 116 117 4 +160.64 ± 31.43
419055 ncm-dbt-05 581860 500 196 77 227 +84.3 ± 14.33 0 15 104 128 3 +174.55 ± 33.5
419054 ncm-dbt-03 584034 500 175 80 245 +66.82 ± 14.62 0 22 113 113 2 +135.76 ± 32.12
419053 ncm-dbt-04 569190 500 190 81 229 +76.97 ± 15.11 0 23 97 128 2 +158.93 ± 34.71
419052 ncm-dbt-01 578136 500 176 71 253 +74.06 ± 13.89 0 16 114 119 1 +153.86 ± 31.85
419051 ncm-dbt-02 585000 500 198 78 224 +85.04 ± 13.28 0 10 111 128 1 +179.9 ± 32.11
419050 ncm-dbt-04 570629 500 192 70 238 +86.52 ± 14.38 1 15 95 139 0 +187.16 ± 35.14
419049 ncm-dbt-05 579909 500 174 75 251 +69.71 ± 14.31 0 20 112 117 1 +143.89 ± 32.25
419048 ncm-dbt-03 581693 500 179 90 231 +62.51 ± 15.37 1 25 111 110 3 +126.18 ± 32.44
419047 ncm-dbt-01 577151 500 179 65 256 +80.63 ± 13.18 0 11 114 125 0 +171.02 ± 31.66
419046 ncm-dbt-02 585253 500 193 81 226 +79.17 ± 14.62 2 13 108 125 2 +167.53 ± 32.81
419045 ncm-dbt-05 575191 500 194 79 227 +81.36 ± 14.54 0 18 101 129 2 +169.27 ± 34.05
419044 ncm-dbt-04 567601 500 184 66 250 +83.57 ± 13.71 0 14 104 132 0 +178.11 ± 33.48
419043 ncm-dbt-03 585970 500 188 78 234 +77.71 ± 12.78 0 9 122 119 0 +164.07 ± 30.26
419042 ncm-dbt-01 576128 500 182 59 259 +87.26 ± 14.4 0 16 97 135 2 +183.51 ± 34.76
419041 ncm-dbt-02 586350 500 180 81 239 +69.71 ± 14.45 0 21 110 118 1 +143.89 ± 32.58
419040 ncm-dbt-04 565981 500 187 71 242 +82.1 ± 13.83 0 14 107 128 1 +172.78 ± 32.96
419039 ncm-dbt-05 582485 500 184 63 253 +85.78 ± 13.3 0 10 110 129 1 +181.7 ± 32.28
419038 ncm-dbt-03 583950 500 190 75 235 +81.36 ± 13.66 0 13 110 126 1 +171.02 ± 32.42
419037 ncm-dbt-01 574622 500 176 68 256 +76.25 ± 14.1 0 18 106 126 0 +160.64 ± 33.2
419036 ncm-dbt-02 583531 500 188 78 234 +77.71 ± 14.15 0 18 104 128 0 +164.07 ± 33.53
419035 ncm-dbt-04 569549 500 194 79 227 +81.37 ± 13.35 0 12 111 127 0 +172.78 ± 32.21
419034 ncm-dbt-02 587113 500 183 70 247 +79.9 ± 14.07 0 15 109 124 2 +165.8 ± 32.64
419033 ncm-dbt-03 583740 500 176 79 245 +68.27 ± 14.26 0 20 114 115 1 +140.62 ± 31.94
419032 ncm-dbt-05 580572 500 192 79 229 +79.9 ± 14.07 1 13 109 126 1 +169.27 ± 32.62
419031 ncm-dbt-01 578877 500 196 60 244 +96.94 ± 13.33 0 9 97 143 1 +209.91 ± 34.63
419030 ncm-dbt-04 570308 500 174 78 248 +67.54 ± 14.09 0 18 120 110 2 +137.37 ± 30.98
419029 ncm-dbt-02 585590 500 179 56 265 +87.26 ± 13.8 0 13 102 134 1 +185.33 ± 33.81
419028 ncm-dbt-05 582778 500 192 75 233 +82.83 ± 13.23 0 11 111 128 0 +176.33 ± 32.16
419027 ncm-dbt-03 581485 500 183 72 245 +78.43 ± 13.58 0 12 117 119 2 +162.35 ± 31.23
419026 ncm-dbt-01 578095 500 179 77 244 +71.89 ± 14.25 1 16 114 118 1 +150.51 ± 31.88
419025 ncm-dbt-04 567482 500 182 80 238 +71.89 ± 13.96 1 14 118 116 1 +150.51 ± 31.19
419024 ncm-dbt-01 579702 500 192 59 249 +94.69 ± 13.14 0 6 108 133 3 +200.24 ± 32.37
419023 ncm-dbt-03 585674 500 185 71 244 +80.63 ± 13.49 0 11 116 121 2 +167.53 ± 31.34
419022 ncm-dbt-05 579992 500 192 84 224 +76.25 ± 14.39 0 18 108 122 2 +157.24 ± 32.87
419021 ncm-dbt-02 586223 500 182 90 228 +64.66 ± 13.97 0 18 124 106 2 +130.94 ± 30.38

Commit

Commit ID 9d61822b5dda7f99d46ed9ad346afa8c34c302a8
Author Gahtan Nahdi
Date 2024-02-17 16:08:01 UTC
Remove penalty for quiet ttMove that fails low Passed STC non-reg: https://tests.stockfishchess.org/tests/view/65c691a7c865510db0286e6e LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 234336 W: 60258 L: 60255 D: 113823 Ptnml(0-2): 966, 28141, 58918, 28210, 933 Passed LTC non-reg: https://tests.stockfishchess.org/tests/view/65c8d0d31d8e83c78bfcd4a6 LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 235206 W: 59134 L: 59132 D: 116940 Ptnml(0-2): 135, 26908, 63517, 26906, 137 https://github.com/official-stockfish/Stockfish/pull/5054 Bench: 1287996
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