Dev Builds » 20240314-2108

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 06:51:17 584377 4014 1457 621 1936 +73.44 ± 5.08 2 152 869 976 8 +152.83 ± 11.54
ncm-dbt-02 06:50:53 587898 4000 1511 600 1889 +80.54 ± 4.98 2 119 857 1010 12 +168.62 ± 11.6
ncm-dbt-03 06:51:48 587423 4000 1458 606 1936 +75.15 ± 4.87 0 117 926 945 12 +155.54 ± 11.11
ncm-dbt-04 06:51:11 570376 3986 1494 584 1908 +80.74 ± 5.03 3 117 856 1001 16 +168.43 ± 11.61
ncm-dbt-05 06:51:38 584673 4000 1503 622 1875 +77.8 ± 4.97 2 117 895 970 16 +161.28 ± 11.33
20000 7423 3033 9544 +77.52 ± 2.23 9 622 4403 4902 64 +161.28 ± 5.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
391486 ncm-dbt-01 579166 14 7 0 7 +190.68 ± 96.09 0 0 1 5 1 +445.23 ± 480.27
391485 ncm-dbt-04 567759 486 185 72 229 +82.29 ± 15.44 2 16 94 129 2 +175.0 ± 35.31
391484 ncm-dbt-03 586901 500 173 83 244 +63.23 ± 13.63 0 16 130 102 2 +127.76 ± 29.43
391483 ncm-dbt-05 585169 500 194 70 236 +88.0 ± 14.12 0 13 103 131 3 +183.51 ± 33.63
391482 ncm-dbt-02 585337 500 188 78 234 +77.71 ± 13.4 1 10 117 122 0 +165.8 ± 31.17
391481 ncm-dbt-01 584706 500 185 74 241 +78.43 ± 14.17 0 17 106 126 1 +164.07 ± 33.19
391480 ncm-dbt-04 571913 500 188 78 234 +77.7 ± 13.86 0 13 117 117 3 +158.93 ± 31.27
391479 ncm-dbt-03 586139 500 187 80 233 +75.52 ± 14.37 0 18 109 121 2 +155.54 ± 32.7
391478 ncm-dbt-05 581860 500 196 72 232 +88.0 ± 14.41 0 15 99 133 3 +183.51 ± 34.39
391477 ncm-dbt-02 587155 500 194 71 235 +87.26 ± 13.01 0 8 112 129 1 +185.33 ± 31.82
391476 ncm-dbt-01 586774 500 175 84 241 +63.95 ± 14.37 0 23 113 114 0 +132.54 ± 32.13
391475 ncm-dbt-04 570068 500 188 73 239 +81.36 ± 13.96 0 14 109 125 2 +169.27 ± 32.62
391474 ncm-dbt-03 585000 500 187 77 236 +77.7 ± 13.86 0 15 111 123 1 +162.35 ± 32.31
391473 ncm-dbt-05 582945 500 185 79 236 +74.79 ± 14.06 0 17 111 121 1 +155.54 ± 32.36
391472 ncm-dbt-02 587537 500 190 80 230 +77.7 ± 14.44 0 18 106 124 2 +160.64 ± 33.2
391471 ncm-dbt-01 584874 500 184 87 229 +68.27 ± 13.97 0 19 115 116 0 +142.26 ± 31.77
391470 ncm-dbt-04 569829 500 174 66 260 +76.25 ± 13.96 0 14 117 116 3 +155.54 ± 31.31
391469 ncm-dbt-02 588047 500 185 65 250 +85.04 ± 14.05 1 12 104 132 1 +181.7 ± 33.45
391468 ncm-dbt-05 585970 500 179 91 230 +61.79 ± 14.82 1 22 117 108 2 +126.18 ± 31.53
391467 ncm-dbt-03 587028 500 184 75 241 +76.97 ± 13.38 0 12 118 119 1 +160.64 ± 31.07
391466 ncm-dbt-01 586520 500 192 71 237 +85.78 ± 13.46 0 10 111 127 2 +179.9 ± 32.11
391465 ncm-dbt-04 569789 500 191 73 236 +83.57 ± 14.01 0 13 109 125 3 +172.78 ± 32.58
391464 ncm-dbt-02 588174 500 183 79 238 +73.33 ± 14.58 0 20 108 120 2 +150.51 ± 32.89
391463 ncm-dbt-03 587367 500 168 64 268 +73.34 ± 14.01 0 18 110 122 0 +153.86 ± 32.54
391462 ncm-dbt-05 587070 500 186 75 239 +78.43 ± 14.02 0 16 108 125 1 +164.07 ± 32.83
391461 ncm-dbt-01 584117 500 183 77 240 +74.79 ± 14.49 0 19 108 121 2 +153.86 ± 32.88
391460 ncm-dbt-04 569829 500 193 87 220 +74.79 ± 14.2 0 18 109 122 1 +155.54 ± 32.7
391459 ncm-dbt-02 587240 500 196 71 233 +88.74 ± 13.36 0 10 106 133 1 +189.0 ± 32.98
391458 ncm-dbt-03 589796 500 184 79 237 +74.06 ± 12.98 0 10 126 113 1 +153.86 ± 29.71
391457 ncm-dbt-05 584537 500 189 80 231 +76.98 ± 14.27 1 15 109 124 1 +162.35 ± 32.67
391456 ncm-dbt-01 585084 500 172 64 264 +76.25 ± 15.09 1 21 98 129 1 +160.64 ± 34.55
391455 ncm-dbt-04 571752 500 188 78 234 +77.71 ± 14.99 1 20 98 130 1 +164.07 ± 34.56
391454 ncm-dbt-02 587494 500 186 80 234 +74.79 ± 14.9 0 22 102 124 2 +153.86 ± 33.87
391453 ncm-dbt-03 588132 500 192 79 229 +79.9 ± 14.36 0 15 111 120 4 +162.35 ± 32.31
391452 ncm-dbt-05 585759 500 192 78 230 +80.63 ± 13.33 0 11 115 123 1 +169.27 ± 31.5
391451 ncm-dbt-01 583112 500 188 88 224 +70.44 ± 14.62 1 20 107 122 0 +148.85 ± 33.05
391450 ncm-dbt-04 572074 500 187 57 256 +92.45 ± 13.27 0 9 103 137 1 +198.34 ± 33.48
391449 ncm-dbt-02 592202 500 189 76 235 +79.9 ± 14.78 0 19 102 126 3 +164.07 ± 33.88
391448 ncm-dbt-05 584076 500 182 77 241 +74.06 ± 13.14 0 8 133 105 4 +148.85 ± 28.51
391447 ncm-dbt-01 585042 500 171 76 253 +66.82 ± 14.62 0 23 110 116 1 +137.37 ± 32.59
391446 ncm-dbt-03 589027 500 183 69 248 +80.63 ± 13.64 0 13 111 125 1 +169.27 ± 32.25

Commit

Commit ID ee2ee6bdc42af80430e7468da4208e379b40c393
Author Michael Chaly
Date 2024-03-14 21:08:48 UTC
Give more bonuses to quiet move that caused a fail low Give extra bonus if search result is far below static evaluation of position. Passed STC: https://tests.stockfishchess.org/tests/view/65edf1250ec64f0526c43787 LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 90816 W: 23713 L: 23307 D: 43796 Ptnml(0-2): 401, 10725, 22742, 11147, 393 Passed LTC: https://tests.stockfishchess.org/tests/view/65ef5ed70ec64f0526c450af LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 66618 W: 16950 L: 16565 D: 33103 Ptnml(0-2): 35, 7372, 18139, 7699, 64 closes https://github.com/official-stockfish/Stockfish/pull/5111 Bench: 2002517
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