Dev Builds » 20211017-1029

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 11:55:48 1238430 3980 1255 695 2030 +49.21 +/- 5.38 2 248 948 772 20 +97.08 +/- 11.06
ncm-dbt-02 11:51:06 1231580 3954 1222 722 2010 +44.17 +/- 5.28 2 246 996 716 17 +87.01 +/- 10.76
ncm-dbt-03 11:54:40 1260967 3982 1261 727 1994 +46.87 +/- 5.34 2 249 972 749 19 +92.33 +/- 10.91
ncm-dbt-04 00:30:34 1490763 170 60 34 76 +53.56 +/- 26.01 0 11 37 37 0 +109.79 +/- 56.56
ncm-dbt-05 11:52:46 1254106 3950 1240 696 2014 +48.16 +/- 5.35 1 241 968 743 22 +94.25 +/- 10.93
ncm-dbt-06 11:54:28 1257655 3964 1231 690 2043 +47.72 +/- 5.47 2 268 917 777 18 +94.28 +/- 11.25
20000 6269 3564 10167 +47.28 +/- 2.39 9 1263 4838 3794 96 +93.13 +/- 4.89

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
208926 ncm-dbt-05 1217867 286 94 51 141 +52.63 +/- 19.52 0 16 69 57 1 +105.14 +/- 41.17
208925 ncm-dbt-02 1199353 288 98 58 132 +48.57 +/- 19.74 1 15 72 55 1 +99.11 +/- 40.21
208924 ncm-dbt-06 1229843 300 92 44 164 +56.07 +/- 19.88 0 16 74 56 4 +105.0 +/- 39.67
208923 ncm-dbt-03 1238916 312 92 59 161 +36.89 +/- 18.49 1 19 82 54 0 +76.96 +/- 37.56
208922 ncm-dbt-01 1214035 314 97 57 160 +44.5 +/- 19.96 0 25 68 63 1 +88.15 +/- 41.4
208921 ncm-dbt-02 1199944 500 152 103 245 +34.16 +/- 15.53 1 40 119 89 1 +68.99 +/- 31.3
208920 ncm-dbt-05 1203503 500 149 86 265 +44.01 +/- 14.47 0 29 131 88 2 +86.52 +/- 29.64
208919 ncm-dbt-06 1232774 500 149 81 270 +47.55 +/- 15.43 1 33 114 101 1 +96.94 +/- 32.0
208918 ncm-dbt-03 1212453 500 154 108 238 +32.05 +/- 15.4 1 39 125 83 2 +63.23 +/- 30.52
208917 ncm-dbt-01 1197456 500 143 86 271 +39.78 +/- 14.61 1 29 134 84 2 +79.17 +/- 29.25
208916 ncm-dbt-02 1195384 500 140 82 278 +40.48 +/- 13.85 0 27 139 83 1 +80.63 +/- 28.52
208915 ncm-dbt-06 1228546 500 164 71 265 +65.38 +/- 15.36 0 27 106 114 3 +130.94 +/- 33.2
208914 ncm-dbt-05 1214820 500 173 89 238 +58.93 +/- 14.96 0 25 120 101 4 +115.23 +/- 31.11
208913 ncm-dbt-01 1229603 500 171 101 228 +48.96 +/- 14.74 0 30 121 98 1 +98.44 +/- 31.02
208912 ncm-dbt-03 1224631 500 161 78 261 +58.21 +/- 15.45 0 28 116 101 5 +112.14 +/- 31.71
208911 ncm-dbt-02 1201283 500 150 79 271 +49.67 +/- 15.03 0 30 122 95 3 +96.94 +/- 30.88
208910 ncm-dbt-05 1242249 500 161 78 261 +58.21 +/- 15.57 1 27 114 104 4 +115.23 +/- 32.0
208909 ncm-dbt-06 1229328 500 158 94 248 +44.72 +/- 15.15 0 35 117 97 1 +89.48 +/- 31.58
208908 ncm-dbt-01 1199907 500 159 91 250 +47.54 +/- 15.56 0 34 118 94 4 +90.97 +/- 31.44
208907 ncm-dbt-03 1230062 500 154 97 249 +39.78 +/- 15.38 0 37 122 88 3 +76.25 +/- 30.91
208906 ncm-dbt-02 1198603 500 160 101 239 +41.19 +/- 15.46 0 37 120 90 3 +79.17 +/- 31.18
208905 ncm-dbt-05 1223389 500 160 88 252 +50.38 +/- 15.07 0 30 121 96 3 +98.44 +/- 31.02
208904 ncm-dbt-01 1199137 500 132 91 277 +28.55 +/- 15.42 1 40 129 77 3 +54.65 +/- 30.01
208903 ncm-dbt-03 1250169 500 150 94 256 +39.08 +/- 14.17 0 31 132 87 0 +79.17 +/- 29.53
208902 ncm-dbt-06 1221156 500 156 85 259 +49.67 +/- 14.9 0 31 118 100 1 +99.95 +/- 31.44
208901 ncm-dbt-01 1178910 500 167 92 241 +52.51 +/- 16.29 0 39 100 108 3 +102.97 +/- 33.9
208900 ncm-dbt-05 1224922 500 151 93 256 +40.48 +/- 15.78 0 39 118 89 4 +76.25 +/- 31.44
208899 ncm-dbt-02 1195910 500 152 90 258 +43.3 +/- 15.2 0 35 120 93 2 +85.04 +/- 31.17
208898 ncm-dbt-03 1234725 500 153 82 265 +49.67 +/- 14.64 0 27 128 92 3 +96.94 +/- 30.02
208897 ncm-dbt-06 1244599 500 153 103 244 +34.86 +/- 15.57 1 39 121 87 2 +68.99 +/- 31.04
208853 ncm-dbt-05 1233093 500 144 96 260 +33.46 +/- 14.21 0 33 137 79 1 +66.1 +/- 28.89
208852 ncm-dbt-01 1211693 500 166 75 259 +63.94 +/- 14.23 0 20 121 107 2 +129.35 +/- 30.88
208851 ncm-dbt-02 1195974 500 162 84 254 +54.64 +/- 14.76 0 25 126 95 4 +106.01 +/- 30.26
208850 ncm-dbt-03 1218510 500 159 85 256 +51.8 +/- 15.01 0 30 118 100 2 +102.97 +/- 31.44
208849 ncm-dbt-06 1210404 500 161 91 248 +48.96 +/- 15.25 0 33 116 99 2 +96.94 +/- 31.72
208848 ncm-dbt-03 1232778 500 176 88 236 +61.79 +/- 15.08 0 25 116 105 4 +121.46 +/- 31.7
208847 ncm-dbt-01 1210082 500 166 76 258 +63.23 +/- 14.47 0 22 118 108 2 +127.76 +/- 31.37
208846 ncm-dbt-05 1227760 500 150 85 265 +45.42 +/- 15.07 0 33 121 94 2 +89.48 +/- 31.03
208845 ncm-dbt-02 1205610 500 155 98 247 +39.78 +/- 14.08 0 28 139 81 2 +77.71 +/- 28.54
208844 ncm-dbt-06 1225711 500 155 95 250 +41.89 +/- 15.98 0 42 108 98 2 +82.1 +/- 32.75
177871 ncm-dbt-05 1499353 164 58 30 76 +59.9 +/- 26.57 0 9 37 35 1 +118.83 +/- 56.63
177870 ncm-dbt-02 1492160 166 53 27 86 +54.87 +/- 25.23 0 9 39 35 0 +112.62 +/- 55.06
177869 ncm-dbt-04 1490763 170 60 34 76 +53.56 +/- 26.01 0 11 37 37 0 +109.79 +/- 56.56
177868 ncm-dbt-06 1496536 164 43 26 95 +36.14 +/- 27.09 0 12 43 25 2 +64.28 +/- 52.16
177867 ncm-dbt-03 1506459 170 62 36 72 +53.56 +/- 27.28 0 13 33 39 0 +109.79 +/- 59.39
177866 ncm-dbt-01 1505052 166 54 26 86 +59.16 +/- 26.95 0 9 39 33 2 +112.62 +/- 55.06

Commit

Commit ID 6847be2c752b3f41906be87af7f3cde4e31be5d5
Author Stéphane Nicolet
Date 2021-10-17 10:29:11 UTC
Allow some LMR double extensions Allow some LMR double extensions for the second and third sons of each node. STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 170320 W: 42608 L: 42187 D: 85525 Ptnml(0-2): 516, 19635, 44422, 20086, 501 https://tests.stockfishchess.org/tests/view/616a9e3899b580bf37797cf4 LTC: LLR: 2.93 (-2.94,2.94) <0.50,3.50> Total: 74400 W: 18783 L: 18423 D: 37194 Ptnml(0-2): 46, 7812, 21129, 8162, 51 https://tests.stockfishchess.org/tests/view/616b378499b580bf37797d61 closes https://github.com/official-stockfish/Stockfish/pull/3742 Bench: 4877152
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