Dev Builds » 20240603-2112

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 06:50:04 584118 4000 1520 603 1877 +81.09 ± 4.93 0 116 863 1009 12 +169.49 ± 11.55
ncm-dbt-02 06:49:12 587607 4000 1495 594 1911 +79.63 ± 4.88 2 108 885 997 8 +167.31 ± 11.39
ncm-dbt-03 06:48:47 587381 4000 1510 606 1884 +79.9 ± 4.93 1 114 878 994 13 +166.66 ± 11.44
ncm-dbt-04 06:49:28 571568 4000 1499 612 1889 +78.35 ± 5.06 3 130 858 995 14 +163.21 ± 11.61
ncm-dbt-05 06:50:08 583770 4000 1471 570 1959 +79.63 ± 5.04 4 120 862 999 15 +166.23 ± 11.57
20000 7495 2985 9520 +79.72 ± 2.22 10 588 4346 4994 62 +166.58 ± 5.15

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
388462 ncm-dbt-01 584453 500 188 74 238 +80.63 ± 13.18 0 10 117 122 1 +169.27 ± 31.12
388461 ncm-dbt-04 571551 500 179 74 247 +74.06 ± 14.18 0 17 113 118 2 +152.18 ± 32.04
388460 ncm-dbt-05 588260 500 192 82 226 +77.71 ± 14.29 1 14 111 122 2 +162.35 ± 32.31
388459 ncm-dbt-02 589539 500 173 78 249 +66.82 ± 14.06 0 20 115 115 0 +138.99 ± 31.79
388458 ncm-dbt-03 585632 500 188 72 240 +82.1 ± 14.27 0 15 107 125 3 +169.27 ± 32.98
388457 ncm-dbt-04 570308 500 188 72 240 +82.1 ± 14.56 1 15 103 129 2 +172.78 ± 33.69
388456 ncm-dbt-01 585211 500 183 77 240 +74.79 ± 14.34 0 19 107 123 1 +155.54 ± 33.04
388455 ncm-dbt-05 580945 500 166 71 263 +66.83 ± 13.77 1 15 122 112 0 +140.62 ± 30.61
388454 ncm-dbt-02 589368 500 187 77 236 +77.7 ± 14.15 0 15 113 119 3 +158.93 ± 31.99
388453 ncm-dbt-03 587749 500 198 78 224 +85.04 ± 12.97 0 7 118 123 2 +178.11 ± 30.75
388452 ncm-dbt-02 585211 500 195 76 229 +84.31 ± 12.79 0 8 115 127 0 +179.9 ± 31.32
388451 ncm-dbt-04 572558 500 175 78 247 +68.27 ± 13.68 0 15 125 108 2 +138.99 ± 30.12
388450 ncm-dbt-01 584411 500 194 84 222 +77.7 ± 14.72 0 16 114 114 6 +153.86 ± 31.85
388449 ncm-dbt-05 585970 500 169 65 266 +73.34 ± 13.72 0 16 114 120 0 +153.86 ± 31.85
388448 ncm-dbt-03 588089 500 189 81 230 +76.25 ± 14.53 1 16 109 122 2 +158.93 ± 32.69
388447 ncm-dbt-05 582277 500 197 66 237 +93.2 ± 14.21 0 15 90 144 1 +200.24 ± 36.12
388446 ncm-dbt-04 571913 500 195 84 221 +78.43 ± 13.73 0 13 115 120 2 +162.35 ± 31.59
388445 ncm-dbt-03 588004 500 187 71 242 +82.1 ± 14.42 0 18 99 132 1 +172.78 ± 34.4
388444 ncm-dbt-02 587197 500 190 69 241 +85.78 ± 14.65 1 15 98 134 2 +181.7 ± 34.58
388443 ncm-dbt-01 584579 500 197 64 239 +94.69 ± 13.78 0 13 91 146 0 +206.01 ± 35.92
388442 ncm-dbt-03 588217 500 189 73 238 +82.1 ± 13.52 0 12 111 126 1 +172.78 ± 32.21
388441 ncm-dbt-01 582778 500 188 86 226 +71.88 ± 14.39 0 20 109 120 1 +148.85 ± 32.73
388440 ncm-dbt-05 583363 500 178 72 250 +74.79 ± 14.77 0 20 107 120 3 +152.18 ± 33.05
388439 ncm-dbt-02 586901 500 190 78 232 +79.17 ± 13.6 0 12 116 120 2 +164.07 ± 31.39
388438 ncm-dbt-04 569749 500 185 80 235 +74.06 ± 14.46 0 21 103 126 0 +155.54 ± 33.71
388437 ncm-dbt-01 582987 500 199 71 230 +90.96 ± 13.72 0 12 99 138 1 +194.57 ± 34.34
388436 ncm-dbt-03 587155 500 195 81 224 +80.63 ± 14.66 0 17 106 123 4 +164.07 ± 33.19
388435 ncm-dbt-04 571070 500 182 67 251 +81.37 ± 15.24 1 19 97 130 3 +169.27 ± 34.75
388434 ncm-dbt-05 580987 500 194 73 233 +85.78 ± 13.77 0 12 107 129 2 +179.9 ± 32.89
388433 ncm-dbt-02 583950 500 182 79 239 +72.61 ± 12.93 0 11 125 114 0 +152.18 ± 29.92
388432 ncm-dbt-01 583950 500 183 73 244 +77.7 ± 13.71 0 14 113 122 1 +162.35 ± 31.95
388431 ncm-dbt-02 590053 500 189 67 244 +86.52 ± 13.78 0 14 100 136 0 +185.33 ± 34.19
388430 ncm-dbt-04 572759 500 197 74 229 +87.26 ± 14.1 0 15 98 136 1 +185.33 ± 34.57
388429 ncm-dbt-03 584706 500 187 68 245 +84.31 ± 13.58 0 13 105 132 0 +179.9 ± 33.27
388428 ncm-dbt-05 583070 500 183 76 241 +75.52 ± 15.06 2 16 108 121 3 +157.24 ± 32.87
388427 ncm-dbt-02 588643 500 189 70 241 +84.31 ± 14.18 1 13 103 132 1 +179.9 ± 33.65
388426 ncm-dbt-01 584579 500 188 74 238 +80.63 ± 13.49 0 12 113 124 1 +169.27 ± 31.88
388425 ncm-dbt-03 589497 500 177 82 241 +66.82 ± 13.48 0 16 123 111 0 +138.99 ± 30.46
388424 ncm-dbt-04 572638 500 198 83 219 +81.37 ± 14.54 1 15 104 128 2 +171.02 ± 33.51
388423 ncm-dbt-05 585295 500 192 65 243 +90.22 ± 14.16 0 12 103 131 4 +187.16 ± 33.6

Commit

Commit ID 3d6756769cd159edf1d7eaec074c880551590c32
Author FauziAkram
Date 2024-06-03 21:12:13 UTC
Simplify continuation histories Functional simplification. Simplify continuation histories, therefore increasing the effect of stats updates and movepicker bonuses for continuation history 3 plies deep. Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 229184 W: 59087 L: 59080 D: 111017 Ptnml(0-2): 554, 27248, 59002, 27213, 575 https://tests.stockfishchess.org/tests/view/665c7a09fd45fb0f907c223b Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 44532 W: 11419 L: 11223 D: 21890 Ptnml(0-2): 18, 4787, 12457, 4989, 15 https://tests.stockfishchess.org/tests/view/665c8842fd45fb0f907c23ec closes https://github.com/official-stockfish/Stockfish/pull/5339 Bench: 1326444
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