Dev Builds » 20240307-1908

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 06:54:55 584855 4002 1461 554 1987 +80.13 ± 5.02 0 137 827 1030 7 +168.3 ± 11.84
ncm-dbt-02 06:52:07 587080 4000 1492 606 1902 +78.25 ± 5.02 0 131 868 985 16 +161.92 ± 11.53
ncm-dbt-03 06:54:39 587513 4000 1459 605 1936 +75.34 ± 4.99 0 133 893 961 13 +155.76 ± 11.36
ncm-dbt-04 06:54:35 571487 4010 1468 610 1932 +75.51 ± 4.95 2 125 902 965 11 +157.0 ± 11.29
ncm-dbt-05 06:55:27 584261 3988 1461 599 1928 +76.3 ± 4.98 1 130 877 978 8 +159.27 ± 11.47
20000 7341 2974 9685 +77.1 ± 2.23 3 656 4367 4919 55 +160.42 ± 5.14

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
391529 ncm-dbt-01 586097 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
391528 ncm-dbt-04 571793 10 5 3 2 +70.36 ± 79.51 0 0 3 2 0 +147.07 ± 211.27
391527 ncm-dbt-05 580904 488 191 74 223 +84.95 ± 14.28 0 14 101 127 2 +177.8 ± 33.99
391526 ncm-dbt-03 587834 500 184 79 237 +74.06 ± 13.74 0 15 116 118 1 +153.86 ± 31.51
391525 ncm-dbt-02 587622 500 193 86 221 +75.52 ± 14.37 0 19 106 124 1 +157.24 ± 33.21
391524 ncm-dbt-01 586985 500 182 69 249 +79.9 ± 14.07 0 16 106 127 1 +167.53 ± 33.17
391523 ncm-dbt-04 571471 500 174 85 241 +62.51 ± 14.58 0 24 114 111 1 +127.76 ± 31.99
391522 ncm-dbt-05 586520 500 182 70 248 +79.17 ± 14.48 0 20 98 132 0 +167.53 ± 34.57
391521 ncm-dbt-03 586012 500 177 80 243 +68.27 ± 13.83 0 17 120 112 1 +140.62 ± 30.95
391520 ncm-dbt-01 582736 500 180 72 248 +76.25 ± 13.96 0 16 111 122 1 +158.93 ± 32.34
391519 ncm-dbt-04 568037 500 186 78 236 +76.25 ± 14.25 0 16 113 118 3 +155.54 ± 32.01
391518 ncm-dbt-02 587792 500 185 79 236 +74.79 ± 14.06 0 16 114 118 2 +153.86 ± 31.85
391517 ncm-dbt-03 586266 500 189 82 229 +75.52 ± 14.23 0 17 111 120 2 +155.54 ± 32.36
391516 ncm-dbt-05 587792 500 186 75 239 +78.43 ± 14.02 0 15 111 122 2 +162.35 ± 32.31
391515 ncm-dbt-01 585674 500 179 69 252 +77.7 ± 14.29 0 18 105 126 1 +162.35 ± 33.37
391514 ncm-dbt-02 583279 500 184 70 246 +80.63 ± 14.66 0 18 103 126 3 +165.8 ± 33.7
391513 ncm-dbt-04 571351 500 179 60 261 +84.31 ± 14.18 2 11 103 134 0 +183.51 ± 33.63
391512 ncm-dbt-03 589539 500 185 74 241 +78.43 ± 13.58 0 11 120 116 3 +160.64 ± 30.7
391511 ncm-dbt-05 581652 500 187 84 229 +72.61 ± 13.69 0 16 115 119 0 +152.18 ± 31.7
391510 ncm-dbt-01 583531 500 192 66 242 +89.48 ± 14.3 0 16 93 140 1 +190.85 ± 35.52
391509 ncm-dbt-02 587452 500 191 68 241 +87.26 ± 14.25 0 15 99 134 2 +183.51 ± 34.39
391508 ncm-dbt-04 572316 500 186 75 239 +78.44 ± 13.27 0 12 115 123 0 +165.8 ± 31.55
391507 ncm-dbt-05 585337 500 174 77 249 +68.27 ± 14.4 1 19 112 118 0 +143.89 ± 32.25
391506 ncm-dbt-02 588345 500 183 74 243 +76.97 ± 14.13 0 17 108 124 1 +160.64 ± 32.85
391505 ncm-dbt-03 586731 500 176 75 249 +71.16 ± 15.32 0 25 102 120 3 +143.89 ± 33.85
391504 ncm-dbt-04 571270 500 191 85 224 +74.79 ± 13.91 0 16 113 120 1 +155.54 ± 32.01
391503 ncm-dbt-01 586689 500 186 65 249 +85.78 ± 14.36 0 17 96 136 1 +181.7 ± 34.95
391502 ncm-dbt-05 584748 500 182 78 240 +73.33 ± 14.44 0 19 110 119 2 +150.51 ± 32.56
391501 ncm-dbt-03 588132 500 187 69 244 +83.57 ± 14.88 0 19 97 131 3 +172.78 ± 34.76
391500 ncm-dbt-04 572316 500 180 62 258 +83.57 ± 13.87 0 14 105 130 1 +176.33 ± 33.3
391499 ncm-dbt-02 585464 500 185 82 233 +72.61 ± 13.69 0 14 121 113 2 +148.85 ± 30.69
391498 ncm-dbt-01 582360 500 177 73 250 +73.34 ± 14.01 0 18 110 122 0 +153.86 ± 32.54
391497 ncm-dbt-02 589197 500 184 71 245 +79.9 ± 13.77 0 14 110 125 1 +167.53 ± 32.45
391496 ncm-dbt-04 572558 500 181 89 230 +64.66 ± 14.26 0 21 117 111 1 +132.54 ± 31.5
391495 ncm-dbt-03 586393 500 182 71 247 +78.44 ± 13.73 0 15 109 126 0 +165.8 ± 32.64
391494 ncm-dbt-01 583992 500 190 65 245 +88.74 ± 14.28 0 16 94 139 1 +189.0 ± 35.33
391493 ncm-dbt-05 580489 500 181 67 252 +80.63 ± 13.94 0 15 107 127 1 +169.27 ± 32.98
391492 ncm-dbt-02 587494 500 187 76 237 +78.43 ± 14.74 0 18 107 121 4 +158.93 ± 33.03
391491 ncm-dbt-04 572276 500 186 73 241 +79.9 ± 13.77 0 11 119 116 4 +162.35 ± 30.85
391490 ncm-dbt-01 585632 500 174 75 251 +69.71 ± 14.31 0 20 112 117 1 +143.89 ± 32.25
391489 ncm-dbt-05 586646 500 178 74 248 +73.33 ± 13.27 0 12 123 114 1 +152.18 ± 30.28
391488 ncm-dbt-03 589197 500 179 75 246 +73.34 ± 13.42 0 14 118 118 0 +153.86 ± 31.15

Commit

Commit ID 0f01a516d2ddd475bbe3bccab176dbbccb879053
Author Muzhen Gaming
Date 2024-03-07 19:08:00 UTC
VLTC time management tune Result of 35k games of SPSA tuning at 180+1.8. Tuning attempt can be found here: https://tests.stockfishchess.org/tests/view/65e40599f2ef6c733362b03b Passed VLTC 180+1.8: https://tests.stockfishchess.org/tests/view/65e5a6f5416ecd92c162b5d4 LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 31950 W: 8225 L: 7949 D: 15776 Ptnml(0-2): 3, 3195, 9309, 3459, 9 Passed VLTC 240+2.4: https://tests.stockfishchess.org/tests/view/65e714de0ec64f0526c3d1f1 LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 65108 W: 16558 L: 16202 D: 32348 Ptnml(0-2): 7, 6366, 19449, 6728, 4 closes https://github.com/official-stockfish/Stockfish/pull/5095 Bench: 1714391
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