Dev Builds » 20211014-0758

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 06:51:48 577632 4012 769 1373 1870 -52.71 ± 5.21 12 803 971 217 3 -106.25 ± 10.91
ncm-dbt-02 06:52:19 584997 4000 703 1349 1948 -56.61 ± 5.12 12 818 976 192 2 -114.45 ± 10.86
ncm-dbt-03 06:51:45 584470 4000 729 1319 1952 -51.62 ± 5.23 11 800 958 230 1 -103.73 ± 10.99
ncm-dbt-04 06:52:19 569115 3996 704 1306 1986 -52.74 ± 5.12 7 798 987 202 4 -107.46 ± 10.8
ncm-dbt-05 06:53:05 581624 3992 746 1307 1939 -49.15 ± 5.24 7 788 963 235 3 -99.6 ± 10.96
20000 3651 6654 9695 -52.56 ± 2.32 49 4007 4855 1076 13 -106.28 ± 4.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
417846 ncm-dbt-01 580075 12 2 3 7 -29.01 ± 98.94 0 2 3 1 0 -58.45 ± 226.57
417845 ncm-dbt-05 578054 492 93 161 238 -48.33 ± 14.34 1 92 127 26 0 -97.08 ± 30.1
417844 ncm-dbt-04 566138 496 82 152 262 -49.36 ± 14.98 1 99 117 31 0 -99.28 ± 31.58
417843 ncm-dbt-03 583572 500 89 172 239 -58.21 ± 14.53 1 106 118 25 0 -118.33 ± 31.4
417842 ncm-dbt-02 583908 500 83 157 260 -51.8 ± 13.94 1 95 131 23 0 -104.49 ± 29.52
417841 ncm-dbt-01 575802 500 102 165 233 -44.01 ± 14.99 2 91 126 30 1 -88.0 ± 30.34
417840 ncm-dbt-04 570188 500 96 166 238 -48.96 ± 13.79 0 93 135 21 1 -101.46 ± 28.94
417839 ncm-dbt-05 583154 500 75 164 261 -62.51 ± 15.37 0 118 105 25 2 -132.54 ± 33.35
417838 ncm-dbt-02 584832 500 90 172 238 -57.5 ± 14.76 2 104 118 26 0 -115.23 ± 31.41
417837 ncm-dbt-03 582819 500 95 160 245 -45.42 ± 14.55 0 96 123 31 0 -92.46 ± 30.75
417836 ncm-dbt-01 577807 500 87 170 243 -58.21 ± 14.53 3 100 124 23 0 -115.23 ± 30.51
417835 ncm-dbt-05 580116 500 105 151 244 -32.05 ± 14.9 0 86 124 40 0 -64.66 ± 30.65
417834 ncm-dbt-04 568077 500 82 160 258 -54.64 ± 13.8 2 94 134 20 0 -109.07 ± 29.01
417833 ncm-dbt-03 585126 500 90 153 257 -44.01 ± 15.24 0 100 113 37 0 -89.48 ± 32.12
417832 ncm-dbt-02 584874 500 83 172 245 -62.51 ± 14.31 0 112 115 23 0 -129.35 ± 31.83
417831 ncm-dbt-01 577889 500 86 174 240 -61.79 ± 14.95 1 113 109 27 0 -126.18 ± 32.74
417830 ncm-dbt-04 567442 500 94 163 243 -48.26 ± 14.57 0 98 124 27 1 -99.95 ± 30.58
417829 ncm-dbt-05 582611 500 108 164 228 -39.08 ± 15.7 1 95 114 39 1 -79.17 ± 31.97
417828 ncm-dbt-03 584832 500 89 168 243 -55.36 ± 14.93 3 100 120 27 0 -109.07 ± 31.14
417827 ncm-dbt-02 584664 500 77 163 260 -60.36 ± 13.2 2 96 138 14 0 -121.46 ± 28.19
417826 ncm-dbt-01 577889 500 105 161 234 -39.08 ± 14.57 0 89 129 31 1 -80.63 ± 29.95
417825 ncm-dbt-04 571431 500 97 165 238 -47.54 ± 15.56 3 97 115 35 0 -92.46 ± 31.85
417824 ncm-dbt-05 585928 500 98 162 240 -44.72 ± 14.1 2 86 136 26 0 -88.0 ± 28.9
417823 ncm-dbt-03 585379 500 93 173 234 -56.07 ± 14.43 1 103 121 25 0 -113.68 ± 30.97
417822 ncm-dbt-02 585717 500 102 181 217 -55.36 ± 14.66 1 103 121 24 1 -113.68 ± 30.97
417821 ncm-dbt-01 577602 500 103 183 214 -56.07 ± 15.22 3 103 115 29 0 -110.6 ± 31.86
417820 ncm-dbt-04 569509 500 94 163 243 -48.25 ± 13.89 1 91 134 24 0 -96.94 ± 29.13
417819 ncm-dbt-05 582611 500 87 170 243 -58.21 ± 13.97 1 102 126 21 0 -118.33 ± 30.18
417818 ncm-dbt-02 585421 500 84 159 257 -52.51 ± 14.66 1 101 120 28 0 -106.01 ± 31.14
417817 ncm-dbt-03 583154 500 95 166 239 -49.67 ± 14.51 0 100 121 29 0 -101.46 ± 31.01
417816 ncm-dbt-01 577848 500 95 173 232 -54.65 ± 15.02 2 102 119 26 1 -110.6 ± 31.28
417815 ncm-dbt-05 579537 500 101 162 237 -42.6 ± 15.66 1 99 110 40 0 -85.04 ± 32.5
417814 ncm-dbt-04 569230 500 73 174 253 -71.16 ± 14.78 0 124 104 21 1 -150.51 ± 33.54
417813 ncm-dbt-03 585042 500 97 166 237 -48.25 ± 15.72 4 96 115 35 0 -92.46 ± 31.85
417812 ncm-dbt-02 587452 500 84 168 248 -58.93 ± 15.35 3 107 111 29 0 -116.78 ± 32.44
417811 ncm-dbt-01 575109 500 92 171 237 -55.36 ± 13.7 0 100 129 21 0 -113.68 ± 29.75
417810 ncm-dbt-04 570909 500 86 163 251 -53.94 ± 14.32 0 102 124 23 1 -112.14 ± 30.53
417809 ncm-dbt-01 578671 500 97 173 230 -53.22 ± 14.82 1 103 117 29 0 -107.54 ± 31.57
417808 ncm-dbt-03 585843 500 81 161 258 -56.07 ± 14.43 2 99 127 21 1 -113.68 ± 30.06
417807 ncm-dbt-05 580987 500 79 173 248 -66.1 ± 13.89 1 110 121 18 0 -135.76 ± 30.83
417806 ncm-dbt-02 583112 500 100 177 223 -53.93 ± 14.86 2 100 122 25 1 -109.07 ± 30.84

Commit

Commit ID 580698e5e57f40dcba52b92a7f0c7a0e9ab09437
Author Joost VandeVondele
Date 2021-10-14 07:58:03 UTC
Compute ttCapture earlier Compute ttCapture earlier, and reuse. passed STC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 74128 W: 18640 L: 18578 D: 36910 Ptnml(0-2): 224, 7970, 20649, 7962, 259 https://tests.stockfishchess.org/tests/view/615dd9fa1a32f4036ac7fc4d closes https://github.com/official-stockfish/Stockfish/pull/3734 No functional change
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