Dev Builds » 20240723-1601

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 06:53:46 584420 4016 1532 560 1924 +85.79 ± 5.04 3 115 813 1061 16 +180.62 ± 11.93
ncm-dbt-02 06:53:42 587795 3992 1509 617 1866 +78.97 ± 4.92 2 114 879 992 9 +165.53 ± 11.44
ncm-dbt-03 06:53:34 588081 3998 1511 532 1955 +86.84 ± 4.89 3 91 844 1046 15 +183.4 ± 11.67
ncm-dbt-04 06:53:19 566171 4000 1473 558 1969 +80.91 ± 4.9 1 110 873 1005 11 +169.49 ± 11.48
ncm-dbt-05 06:53:30 582961 3994 1500 598 1896 +79.84 ± 5.04 5 116 863 998 15 +166.95 ± 11.56
20000 7525 2865 9610 +82.47 ± 2.22 14 546 4272 5102 66 +173.14 ± 5.19

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
371323 ncm-dbt-01 580282 16 5 3 8 +43.62 ± 53.54 0 0 6 2 0 +88.68 ± 116.18
371322 ncm-dbt-04 565981 500 188 66 246 +86.52 ± 14.08 0 14 102 132 2 +181.7 ± 33.83
371321 ncm-dbt-05 584117 494 185 78 231 +76.47 ± 14.08 2 10 115 119 1 +162.89 ± 31.52
371320 ncm-dbt-03 587537 498 191 70 237 +86.14 ± 14.41 1 14 98 135 1 +184.4 ± 34.57
371319 ncm-dbt-02 589839 492 181 72 239 +78.27 ± 14.02 0 15 108 122 1 +163.65 ± 32.79
371318 ncm-dbt-01 584664 500 187 60 253 +90.22 ± 14.6 0 18 88 143 1 +192.71 ± 36.47
371317 ncm-dbt-04 564017 500 175 75 250 +70.43 ± 13.91 0 17 117 115 1 +145.54 ± 31.41
371316 ncm-dbt-05 580406 500 171 83 246 +61.79 ± 13.99 0 21 120 109 0 +127.76 ± 31.05
371315 ncm-dbt-03 587494 500 190 74 236 +82.1 ± 13.68 0 11 115 121 3 +169.27 ± 31.5
371314 ncm-dbt-02 588558 500 190 83 227 +75.52 ± 13.94 0 14 118 115 3 +153.86 ± 31.15
371313 ncm-dbt-01 585084 500 194 85 221 +76.97 ± 13.98 0 16 110 123 1 +160.64 ± 32.5
371312 ncm-dbt-05 581319 500 196 88 216 +76.25 ± 13.81 0 13 119 115 3 +155.54 ± 30.96
371311 ncm-dbt-04 564958 500 178 80 242 +68.99 ± 13.26 0 14 124 112 0 +143.89 ± 30.23
371310 ncm-dbt-02 587537 500 194 72 234 +86.52 ± 14.23 0 15 100 133 2 +181.7 ± 34.21
371309 ncm-dbt-03 586520 500 183 65 252 +83.57 ± 14.16 1 13 104 131 1 +178.11 ± 33.48
371308 ncm-dbt-01 585253 500 190 70 240 +85.04 ± 14.49 0 18 95 136 1 +179.9 ± 35.13
371307 ncm-dbt-05 583070 500 190 61 249 +91.71 ± 13.73 0 11 101 136 2 +194.57 ± 33.94
371306 ncm-dbt-04 566375 500 188 83 229 +74.06 ± 14.6 0 22 101 127 0 +155.54 ± 34.04
371305 ncm-dbt-03 588899 500 191 61 248 +92.45 ± 12.94 0 7 107 135 1 +198.34 ± 32.63
371304 ncm-dbt-02 587707 500 198 78 224 +85.04 ± 14.05 0 14 104 130 2 +178.11 ± 33.48
371303 ncm-dbt-01 586393 500 189 75 236 +80.63 ± 14.09 1 12 111 124 2 +169.27 ± 32.25
371302 ncm-dbt-05 581028 500 195 73 232 +86.52 ± 14.23 1 12 103 132 2 +183.51 ± 33.63
371301 ncm-dbt-03 590524 500 187 63 250 +88.0 ± 14.41 0 14 102 130 4 +181.7 ± 33.83
371300 ncm-dbt-04 563978 500 187 63 250 +88.0 ± 13.5 0 10 108 130 2 +185.33 ± 32.63
371299 ncm-dbt-01 584117 500 189 60 251 +91.71 ± 14.49 0 13 100 132 5 +189.0 ± 34.18
371298 ncm-dbt-02 588302 500 178 81 241 +68.27 ± 14.12 1 17 116 116 0 +143.89 ± 31.59
371297 ncm-dbt-05 585000 500 195 66 239 +91.71 ± 14.04 0 13 97 138 2 +194.57 ± 34.74
371296 ncm-dbt-03 588771 500 185 61 254 +88.0 ± 13.5 0 10 108 130 2 +185.33 ± 32.63
371295 ncm-dbt-04 566730 500 180 65 255 +81.37 ± 13.81 1 12 108 129 0 +174.55 ± 32.75
371294 ncm-dbt-01 585548 500 185 78 237 +75.52 ± 15.2 2 17 106 122 3 +157.24 ± 33.21
371293 ncm-dbt-02 588899 500 190 75 235 +81.37 ± 13.66 0 14 107 129 0 +172.78 ± 32.96
371292 ncm-dbt-03 588217 500 196 77 227 +84.3 ± 12.62 0 6 120 123 1 +178.11 ± 30.34
371291 ncm-dbt-05 578095 500 182 67 251 +81.37 ± 14.54 1 14 107 125 3 +169.27 ± 32.98
371290 ncm-dbt-04 565744 500 195 60 245 +96.19 ± 14.11 0 11 97 138 4 +202.15 ± 34.7
371289 ncm-dbt-01 584327 500 201 66 233 +96.19 ± 13.64 0 10 97 141 2 +206.01 ± 34.66
371288 ncm-dbt-02 586562 500 191 77 232 +80.63 ± 13.79 1 11 112 125 1 +171.02 ± 32.04
371287 ncm-dbt-04 571592 500 182 66 252 +82.1 ± 13.37 0 10 116 122 2 +171.02 ± 31.28
371286 ncm-dbt-03 586689 500 188 61 251 +90.22 ± 14.89 1 16 90 141 2 +192.71 ± 36.1
371285 ncm-dbt-05 590653 500 186 82 232 +73.34 ± 15.26 1 22 101 124 2 +152.18 ± 34.03
371284 ncm-dbt-02 584958 500 187 79 234 +76.25 ± 13.51 0 14 114 122 0 +160.64 ± 31.79
371283 ncm-dbt-01 584117 500 192 63 245 +91.71 ± 13.57 0 11 100 138 1 +196.45 ± 34.12

Commit

Commit ID a2ba3e33628bed0930f50c54a5ae4f30b853b3b8
Author FauziAkram
Date 2024-07-23 16:01:14 UTC
Bonus Simplification This tune removes completely a recently added term. Passed STC: LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 61376 W: 16046 L: 15693 D: 29637 Ptnml(0-2): 207, 7132, 15665, 7469, 215 https://tests.stockfishchess.org/tests/view/669512b94ff211be9d4ebffb Passed LTC: LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 100662 W: 25474 L: 25020 D: 50168 Ptnml(0-2): 64, 11092, 27581, 11514, 80 https://tests.stockfishchess.org/tests/view/66955f194ff211be9d4ec06a Passed LTC#2: LLR: 2.96 (-2.94,2.94) <-1.75,0.25> Total: 28056 W: 7128 L: 6909 D: 14019 Ptnml(0-2): 18, 3084, 7620, 3273, 33 https://tests.stockfishchess.org/tests/view/669a541a4ff211be9d4ec52b closes https://github.com/official-stockfish/Stockfish/pull/5502 bench: 1619438
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