Dev Builds » 20240820-1927

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 06:51:53 584303 4000 1530 573 1897 +84.77 ± 4.9 2 106 831 1055 6 +180.13 ± 11.79
ncm-dbt-02 06:51:57 586449 4010 1549 595 1866 +84.27 ± 4.86 2 96 865 1030 12 +177.58 ± 11.52
ncm-dbt-03 06:52:02 588360 4010 1505 610 1895 +78.87 ± 5.02 6 120 861 1009 9 +166.18 ± 11.58
ncm-dbt-04 06:50:53 555941 4000 1503 551 1946 +84.31 ± 5.04 2 119 820 1043 16 +176.77 ± 11.88
ncm-dbt-05 06:52:37 582155 3980 1497 566 1917 +82.8 ± 4.95 0 107 864 1000 19 +172.03 ± 11.53
20000 7584 2895 9521 +83.0 ± 2.22 12 548 4241 5137 62 +174.51 ± 5.21

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
373556 ncm-dbt-02 585379 10 3 1 6 +70.36 ± 79.51 0 0 3 2 0 +147.07 ± 211.27
373555 ncm-dbt-03 586816 10 5 1 4 +147.05 ± 74.68 0 0 1 4 0 +381.35 ± 516.06
373554 ncm-dbt-05 582778 480 180 73 227 +78.77 ± 14.12 0 12 112 113 3 +161.21 ± 31.95
373553 ncm-dbt-04 557099 500 187 71 242 +82.1 ± 13.83 0 13 110 125 2 +171.02 ± 32.42
373552 ncm-dbt-01 583279 500 185 72 243 +79.9 ± 14.21 0 18 101 131 0 +169.27 ± 34.05
373551 ncm-dbt-03 588132 500 192 74 234 +83.57 ± 13.56 0 12 109 128 1 +176.33 ± 32.55
373550 ncm-dbt-02 581777 500 198 71 231 +90.22 ± 13.86 0 11 104 132 3 +189.0 ± 33.39
373549 ncm-dbt-05 582819 500 186 69 245 +82.83 ± 14.44 0 18 98 133 1 +174.55 ± 34.58
373548 ncm-dbt-04 556413 500 191 67 242 +88.0 ± 14.12 0 13 103 131 3 +183.51 ± 33.63
373547 ncm-dbt-03 589326 500 190 67 243 +87.26 ± 14.97 3 11 98 136 2 +189.0 ± 34.56
373546 ncm-dbt-01 584034 500 191 62 247 +91.71 ± 13.26 0 9 104 136 1 +196.45 ± 33.3
373545 ncm-dbt-02 586985 500 190 68 242 +86.52 ± 14.08 0 12 108 126 4 +178.11 ± 32.72
373544 ncm-dbt-05 582193 500 192 69 239 +87.26 ± 13.33 0 11 105 134 0 +187.16 ± 33.21
373543 ncm-dbt-01 585379 500 193 67 240 +89.48 ± 13.38 0 11 102 137 0 +192.71 ± 33.75
373542 ncm-dbt-03 587749 500 178 85 237 +65.38 ± 14.14 0 21 115 114 0 +135.76 ± 31.8
373541 ncm-dbt-04 556146 500 190 66 244 +88.0 ± 13.97 0 14 99 136 1 +187.16 ± 34.38
373540 ncm-dbt-02 586350 500 185 85 230 +70.44 ± 14.48 1 18 112 118 1 +147.19 ± 32.24
373539 ncm-dbt-05 578918 500 186 65 249 +85.78 ± 13.14 0 10 109 131 0 +183.51 ± 32.46
373538 ncm-dbt-03 587707 500 186 82 232 +73.34 ± 14.99 1 20 105 122 2 +152.18 ± 33.38
373537 ncm-dbt-01 582652 500 204 70 226 +95.44 ± 12.81 0 6 105 138 1 +206.01 ± 32.92
373536 ncm-dbt-02 584664 500 199 82 219 +82.84 ± 13.54 1 10 110 129 0 +178.11 ± 32.33
373535 ncm-dbt-04 555273 500 190 70 240 +85.04 ± 14.49 1 15 98 135 1 +181.7 ± 34.58
373534 ncm-dbt-05 581361 500 188 72 240 +82.1 ± 14.42 0 15 108 123 4 +167.53 ± 32.81
373533 ncm-dbt-04 554553 500 186 70 244 +82.1 ± 13.52 0 10 117 120 3 +169.27 ± 31.12
373532 ncm-dbt-03 588089 500 193 72 235 +85.78 ± 13.46 0 10 111 127 2 +179.9 ± 32.11
373531 ncm-dbt-02 586816 500 188 69 243 +84.3 ± 13.27 0 10 112 127 1 +178.11 ± 31.94
373530 ncm-dbt-01 583237 500 186 72 242 +80.63 ± 13.18 0 11 114 125 0 +171.02 ± 31.66
373529 ncm-dbt-05 583572 500 206 68 226 +98.44 ± 14.44 0 10 99 134 7 +202.15 ± 34.28
373528 ncm-dbt-02 587367 500 200 72 228 +90.96 ± 13.87 0 12 100 136 2 +192.71 ± 34.15
373527 ncm-dbt-04 552743 500 183 73 244 +77.71 ± 14.72 1 17 105 125 2 +162.35 ± 33.37
373526 ncm-dbt-03 588302 500 197 72 231 +88.74 ± 13.67 1 10 102 137 0 +192.71 ± 33.75
373525 ncm-dbt-01 585084 500 193 78 229 +81.37 ± 14.4 1 15 103 130 1 +172.78 ± 33.69
373524 ncm-dbt-05 581652 500 180 80 240 +70.43 ± 14.34 0 19 114 115 2 +143.89 ± 31.92
373523 ncm-dbt-03 588686 500 172 70 258 +71.88 ± 14.25 0 19 111 119 1 +148.85 ± 32.4
373522 ncm-dbt-04 558132 500 188 76 236 +79.17 ± 14.48 0 19 101 129 1 +165.8 ± 34.05
373521 ncm-dbt-02 587622 500 181 64 255 +82.83 ± 13.85 0 15 103 132 0 +176.33 ± 33.67
373520 ncm-dbt-01 584748 500 195 71 234 +88.0 ± 14.7 1 16 92 140 1 +189.0 ± 35.7
373519 ncm-dbt-04 557175 500 188 58 254 +92.45 ± 14.94 0 18 87 142 3 +194.57 ± 36.67
373518 ncm-dbt-02 591082 500 205 83 212 +86.52 ± 13.0 0 8 113 128 1 +183.51 ± 31.65
373517 ncm-dbt-01 586012 500 183 81 236 +71.88 ± 14.53 0 20 110 118 2 +147.19 ± 32.57
373516 ncm-dbt-05 583950 500 179 70 251 +76.97 ± 13.53 0 12 119 117 2 +158.93 ± 30.91
373515 ncm-dbt-03 590438 500 192 87 221 +74.06 ± 14.46 1 17 109 122 1 +155.54 ± 32.7

Commit

Commit ID 87814d2fb869166f1bdbcb23893aca57729602fe
Author Shawn Xu
Date 2024-08-20 19:27:58 UTC
Simplify doShallowerSearch Passed Non-regression STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 242336 W: 62657 L: 62663 D: 117016 Ptnml(0-2): 941, 28949, 61418, 28895, 965 https://tests.stockfishchess.org/tests/view/66bc13c34ff211be9d4ee794 Passed Non-regression LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 128100 W: 32503 L: 32390 D: 63207 Ptnml(0-2): 106, 14319, 35113, 14380, 132 https://tests.stockfishchess.org/tests/view/66bdbb304ff211be9d4eec5d closes https://github.com/official-stockfish/Stockfish/pull/5537 bench 1586246
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