Dev Builds » 20240701-1804

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 06:51:57 584363 4000 1501 609 1890 +78.8 ± 4.96 2 117 881 987 13 +164.29 ± 11.43
ncm-dbt-02 06:52:50 586424 4002 1474 582 1946 +78.76 ± 5.0 2 125 865 997 12 +164.41 ± 11.55
ncm-dbt-03 06:51:27 586918 4000 1494 590 1916 +79.9 ± 5.02 3 124 849 1014 10 +167.75 ± 11.67
ncm-dbt-04 06:53:03 571236 3998 1484 591 1923 +78.93 ± 5.08 1 137 844 1002 15 +163.95 ± 11.71
ncm-dbt-05 06:52:55 584802 4000 1466 600 1934 +76.43 ± 5.06 2 136 869 980 13 +158.72 ± 11.53
20000 7419 2972 9609 +78.56 ± 2.25 10 639 4308 4980 63 +163.81 ± 5.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
390838 ncm-dbt-02 585169 2 1 0 1 +189.7 ± 55.98 0 0 0 1 0 +1129.65 ± 376.02
390837 ncm-dbt-05 579702 500 209 65 226 +102.97 ± 13.54 0 10 87 152 1 +226.0 ± 36.75
390836 ncm-dbt-03 584579 500 192 76 232 +82.1 ± 14.42 0 17 102 129 2 +171.02 ± 33.87
390835 ncm-dbt-04 570669 498 184 81 233 +72.91 ± 13.89 1 14 115 119 0 +154.56 ± 31.66
390834 ncm-dbt-02 583992 500 177 68 255 +76.98 ± 13.83 1 12 115 121 1 +162.35 ± 31.59
390833 ncm-dbt-01 585632 500 187 76 237 +78.44 ± 14.6 1 16 106 125 2 +164.07 ± 33.19
390832 ncm-dbt-05 581860 500 181 78 241 +72.61 ± 15.5 1 21 107 116 5 +145.54 ± 33.06
390831 ncm-dbt-03 589326 500 184 66 250 +83.57 ± 13.87 0 12 111 124 3 +172.78 ± 32.21
390830 ncm-dbt-04 570509 500 196 72 232 +88.0 ± 14.27 0 14 101 132 3 +183.51 ± 34.01
390829 ncm-dbt-01 584916 500 196 78 226 +83.57 ± 13.87 0 14 105 130 1 +176.33 ± 33.3
390828 ncm-dbt-02 587792 500 176 78 246 +68.99 ± 13.86 0 18 116 116 0 +143.89 ± 31.59
390827 ncm-dbt-05 587070 500 179 85 236 +66.1 ± 13.89 0 19 118 113 0 +137.37 ± 31.31
390826 ncm-dbt-03 587877 500 186 77 237 +76.97 ± 13.83 0 15 112 122 1 +160.64 ± 32.15
390825 ncm-dbt-04 570188 500 181 70 249 +78.43 ± 15.42 0 25 91 132 2 +162.35 ± 35.71
390824 ncm-dbt-01 584453 500 190 74 236 +82.1 ± 14.13 0 16 103 130 1 +172.78 ± 33.69
390823 ncm-dbt-02 586393 500 181 77 242 +73.33 ± 14.01 0 17 113 119 1 +152.18 ± 32.04
390822 ncm-dbt-05 589112 500 176 77 247 +69.71 ± 14.03 0 17 119 112 2 +142.26 ± 31.1
390821 ncm-dbt-03 583656 500 184 72 244 +79.17 ± 14.76 0 21 97 131 1 +165.8 ± 34.73
390820 ncm-dbt-01 580821 500 195 78 227 +82.83 ± 13.23 0 8 120 119 3 +171.02 ± 30.5
390819 ncm-dbt-04 571592 500 194 72 234 +86.52 ± 14.38 0 15 101 131 3 +179.9 ± 34.03
390818 ncm-dbt-02 587749 500 183 67 250 +82.1 ± 13.83 0 14 107 128 1 +172.78 ± 32.96
390817 ncm-dbt-05 581693 500 181 63 256 +83.57 ± 13.71 0 13 107 129 1 +176.33 ± 32.93
390816 ncm-dbt-01 585253 500 191 80 229 +78.43 ± 13.88 0 14 113 121 2 +162.35 ± 31.95
390815 ncm-dbt-04 570428 500 182 70 248 +79.17 ± 14.62 0 18 105 124 3 +162.35 ± 33.37
390814 ncm-dbt-03 586012 500 187 72 241 +81.36 ± 13.96 0 15 106 128 1 +171.02 ± 33.15
390813 ncm-dbt-02 587197 500 190 73 237 +82.83 ± 14.44 0 18 98 133 1 +174.55 ± 34.58
390812 ncm-dbt-05 584201 500 179 69 252 +77.7 ± 14.0 0 16 109 124 1 +162.35 ± 32.67
390811 ncm-dbt-04 571551 500 188 80 232 +76.25 ± 13.96 0 15 114 119 2 +157.24 ± 31.83
390810 ncm-dbt-03 588174 500 185 66 249 +84.31 ± 13.27 0 11 109 130 0 +179.9 ± 32.5
390809 ncm-dbt-01 580821 500 175 77 248 +68.99 ± 14.28 1 17 116 115 1 +143.89 ± 31.59
390808 ncm-dbt-02 584243 500 194 75 231 +84.3 ± 13.88 0 14 104 131 1 +178.11 ± 33.48
390807 ncm-dbt-03 586012 500 184 90 226 +66.11 ± 14.73 2 19 112 117 0 +140.62 ± 32.26
390806 ncm-dbt-04 572840 500 173 73 254 +70.43 ± 13.91 0 17 117 115 1 +145.54 ± 31.41
390805 ncm-dbt-05 588558 500 180 80 240 +70.44 ± 15.29 1 23 103 121 2 +145.54 ± 33.69
390804 ncm-dbt-02 588004 500 188 78 234 +77.71 ± 14.99 1 18 104 124 3 +160.64 ± 33.54
390803 ncm-dbt-01 584327 500 191 69 240 +86.52 ± 14.67 0 17 97 133 3 +179.9 ± 34.76
390802 ncm-dbt-03 589710 500 192 71 237 +85.78 ± 14.51 1 14 100 133 2 +181.7 ± 34.21
390801 ncm-dbt-04 572114 500 186 73 241 +79.9 ± 14.5 0 19 100 130 1 +167.53 ± 34.22
390800 ncm-dbt-02 587282 500 184 66 250 +83.57 ± 14.31 0 14 108 124 4 +171.02 ± 32.78
390799 ncm-dbt-01 588686 500 176 77 247 +69.71 ± 13.44 0 15 121 114 0 +145.54 ± 30.73
390798 ncm-dbt-05 586223 500 181 83 236 +68.99 ± 13.86 0 17 119 113 1 +142.26 ± 31.1

Commit

Commit ID 843b6f7c9873d86742cf9b6ce3523f2c5dc69d2a
Author Linmiao Xu
Date 2024-07-01 18:04:13 UTC
Update some params for pruning at shallow depth Values found around 82k / 120k spsa games at 60+0.6: https://tests.stockfishchess.org/tests/view/6681aca4481148df247298bd Passed STC: https://tests.stockfishchess.org/tests/view/6681c795c1657e386d2948fa LLR: 2.93 (-2.94,2.94) <0.00,2.00> Total: 145216 W: 37595 L: 37122 D: 70499 Ptnml(0-2): 375, 17122, 37185, 17507, 419 Passed LTC: https://tests.stockfishchess.org/tests/view/6681d4eec1657e386d2949e0 LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 154062 W: 39117 L: 38557 D: 76388 Ptnml(0-2): 67, 16874, 42608, 17396, 86 closes https://github.com/official-stockfish/Stockfish/pull/5425 bench 996419
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