Dev Builds » 20210917-0614

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 06:56:45 577239 4016 722 1332 1962 -53.18 ± 5.2 11 811 966 217 3 -107.46 ± 10.94
ncm-dbt-02 06:54:36 585649 4000 687 1360 1953 -59.02 ± 5.2 11 856 929 203 1 -119.7 ± 11.17
ncm-dbt-03 06:55:57 584069 4000 690 1353 1957 -58.12 ± 5.14 8 842 961 183 6 -119.31 ± 10.95
ncm-dbt-04 06:54:39 568910 4012 686 1353 1973 -58.3 ± 5.19 10 855 934 206 1 -118.34 ± 11.14
ncm-dbt-05 06:55:24 580982 3972 664 1295 2013 -55.67 ± 5.28 11 832 921 221 1 -112.4 ± 11.22
20000 3449 6693 9858 -56.86 ± 2.33 51 4196 4711 1030 12 -115.42 ± 4.95

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
417977 ncm-dbt-04 570029 12 4 3 5 +28.98 ± 52.84 0 0 5 1 0 +58.38 ± 110.52
417976 ncm-dbt-01 578712 16 2 5 9 -65.91 ± 89.0 0 4 3 1 0 -136.97 ± 241.58
417975 ncm-dbt-05 581402 472 75 151 246 -56.43 ± 15.51 2 99 108 27 0 -112.74 ± 32.89
417974 ncm-dbt-03 583698 500 82 174 244 -64.66 ± 14.39 2 109 118 21 0 -130.94 ± 31.35
417973 ncm-dbt-01 577725 500 94 170 236 -53.22 ± 15.21 2 102 117 28 1 -107.54 ± 31.57
417972 ncm-dbt-04 571230 500 80 176 244 -67.54 ± 15.32 2 119 102 27 0 -137.37 ± 33.82
417971 ncm-dbt-02 581652 500 69 167 264 -68.99 ± 14.42 1 117 111 21 0 -142.26 ± 32.42
417970 ncm-dbt-05 579951 500 87 171 242 -58.93 ± 14.69 0 111 112 27 0 -121.46 ± 32.29
417969 ncm-dbt-03 587070 500 96 157 247 -42.6 ± 15.54 2 94 118 35 1 -85.04 ± 31.44
417968 ncm-dbt-04 566809 500 88 168 244 -56.07 ± 15.22 1 109 109 31 0 -113.68 ± 32.72
417967 ncm-dbt-01 573123 500 86 169 245 -58.21 ± 15.19 2 108 111 29 0 -116.78 ± 32.44
417966 ncm-dbt-02 584874 500 87 169 244 -57.5 ± 14.22 0 106 120 24 0 -118.33 ± 31.1
417965 ncm-dbt-05 583824 500 82 161 257 -55.36 ± 15.19 2 105 113 30 0 -110.6 ± 32.15
417964 ncm-dbt-03 581777 500 95 169 236 -51.8 ± 14.08 1 96 129 24 0 -104.49 ± 29.82
417963 ncm-dbt-01 578218 500 99 167 234 -47.54 ± 14.92 1 98 119 32 0 -95.44 ± 31.3
417962 ncm-dbt-04 567363 500 83 165 252 -57.5 ± 14.76 1 106 118 24 1 -118.33 ± 31.4
417961 ncm-dbt-02 586562 500 83 182 235 -69.71 ± 15.13 4 114 109 23 0 -138.99 ± 32.74
417960 ncm-dbt-05 579289 500 86 168 246 -57.5 ± 14.36 3 98 127 22 0 -113.68 ± 30.06
417959 ncm-dbt-03 582652 500 78 165 257 -61.07 ± 13.82 0 107 123 20 0 -126.18 ± 30.59
417958 ncm-dbt-02 587707 500 88 168 244 -56.07 ± 14.7 3 99 123 25 0 -110.6 ± 30.69
417957 ncm-dbt-01 578753 500 75 158 267 -58.21 ± 14.93 0 112 109 29 0 -119.89 ± 32.73
417956 ncm-dbt-04 568872 500 87 158 255 -49.67 ± 14.77 1 99 120 30 0 -99.95 ± 31.16
417955 ncm-dbt-05 581319 500 91 157 252 -46.13 ± 16.09 1 105 104 39 1 -93.95 ± 33.32
417954 ncm-dbt-03 585464 500 88 169 243 -56.78 ± 14.73 1 105 119 24 1 -116.78 ± 31.26
417953 ncm-dbt-02 586943 500 98 167 235 -48.25 ± 15.47 0 106 107 37 0 -98.44 ± 32.95
417952 ncm-dbt-01 575313 500 96 166 238 -48.96 ± 14.2 0 97 126 27 0 -99.95 ± 30.29
417951 ncm-dbt-04 568832 500 85 174 241 -62.51 ± 13.15 1 101 134 14 0 -127.76 ± 28.76
417950 ncm-dbt-05 577766 500 74 161 265 -61.07 ± 15.57 2 114 103 31 0 -123.02 ± 33.61
417949 ncm-dbt-03 583489 500 95 174 231 -55.36 ± 14.93 1 105 117 26 1 -113.68 ± 31.56
417948 ncm-dbt-02 584537 500 91 158 251 -46.84 ± 15.01 0 101 115 34 0 -95.44 ± 31.86
417947 ncm-dbt-04 567958 500 91 165 244 -51.8 ± 14.35 1 98 125 26 0 -104.49 ± 30.42
417946 ncm-dbt-01 575883 500 93 165 242 -50.38 ± 14.0 1 93 134 21 1 -102.97 ± 29.07
417945 ncm-dbt-05 580530 500 78 163 259 -59.64 ± 13.76 1 102 128 19 0 -121.46 ± 29.83
417944 ncm-dbt-04 569031 500 90 168 242 -54.65 ± 14.63 0 106 116 28 0 -112.14 ± 31.71
417943 ncm-dbt-03 584537 500 85 175 240 -63.23 ± 13.63 0 107 127 15 1 -132.54 ± 29.87
417942 ncm-dbt-01 578506 500 84 162 254 -54.64 ± 14.49 2 99 124 25 0 -109.07 ± 30.54
417941 ncm-dbt-02 584748 500 80 174 246 -66.1 ± 14.45 1 113 116 19 1 -137.37 ± 31.63
417940 ncm-dbt-04 570068 500 78 176 246 -68.99 ± 15.24 3 117 105 25 0 -138.99 ± 33.37
417939 ncm-dbt-05 583782 500 91 163 246 -50.38 ± 14.14 0 98 126 26 0 -102.97 ± 30.28
417938 ncm-dbt-02 588174 500 91 175 234 -58.93 ± 14.01 2 100 128 20 0 -118.33 ± 29.86
417937 ncm-dbt-01 578918 500 93 170 237 -53.93 ± 14.99 3 98 123 25 1 -107.54 ± 30.7
417936 ncm-dbt-03 583866 500 71 170 259 -69.71 ± 14.86 1 119 110 18 2 -147.19 ± 32.57

Commit

Commit ID 5b47b4e6c04719e66559efe91e505569e0f7aafa
Author xoto10
Date 2021-09-17 06:14:36 UTC
Increase optimumTime by 10% STC 10+0.1 : LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 47032 W: 12078 L: 11841 D: 23113 Ptnml(0-2): 159, 5098, 12746, 5373, 140 https://tests.stockfishchess.org/tests/view/613f9df1f29dda16fcca8731 LTC 60+0.6 : LLR: 2.95 (-2.94,2.94) <0.50,3.50> Total: 66248 W: 16631 L: 16301 D: 33316 Ptnml(0-2): 44, 6560, 19578, 6906, 36 https://tests.stockfishchess.org/tests/view/6140603d7315e7c73204a4c1 Non-regression tests with other time control styles: Moves/Time 40/10+0 : LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 51640 W: 13350 L: 13254 D: 25036 Ptnml(0-2): 183, 5770, 13797, 5908, 162 https://tests.stockfishchess.org/tests/view/6141592b7315e7c73204a599 TCEC Style 10+0.01 : LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 20592 W: 5300 L: 5157 D: 10135 Ptnml(0-2): 81, 2240, 5544, 2317, 114 https://tests.stockfishchess.org/tests/view/61425bb27315e7c73204a6a2 Sudden death 15+0 : LLR: 2.94 (-2.94,2.94) <-2.50,0.50> Total: 127104 W: 32728 L: 32741 D: 61635 Ptnml(0-2): 735, 13973, 34149, 13960, 735 https://tests.stockfishchess.org/tests/view/614256a77315e7c73204a699 The first 3 tests were run with an initial version of the code, which was then modified to make the amount of extra time dependent on the size of increment. No increment gives no extra time, and the extra time given increases until an increment of 1% or more of remaining time gives 10% extra thinking time. closes https://github.com/official-stockfish/Stockfish/pull/3702 Bench 6658747
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