Dev Builds » 20210827-1941

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 11:07:15 1256628 3760 1150 728 1882 +39.16 +/- 5.57 2 268 939 648 23 +75.26 +/- 11.1
ncm-dbt-02 09:36:48 1275986 3228 993 651 1584 +36.95 +/- 6.02 2 247 782 573 10 +72.95 +/- 12.18
ncm-dbt-03 09:41:51 1282758 3256 983 605 1668 +40.52 +/- 6.04 1 237 794 575 21 +77.67 +/- 12.09
ncm-dbt-04 09:42:50 1272045 3262 991 604 1667 +41.41 +/- 6.04 1 238 783 591 18 +80.21 +/- 12.17
ncm-dbt-05 09:37:19 1276954 3232 956 621 1655 +36.14 +/- 5.89 1 238 811 557 9 +71.29 +/- 11.95
ncm-dbt-06 09:42:04 1282157 3262 948 646 1668 +32.26 +/- 5.96 1 263 812 543 12 +62.66 +/- 11.95
20000 6021 3855 10124 +37.78 +/- 2.41 8 1491 4921 3487 93 +73.37 +/- 4.85

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
194344 ncm-dbt-05 1229495 64 20 11 33 +49.18 +/- 35.26 0 2 19 11 0 +100.42 +/- 76.26
194343 ncm-dbt-02 1232202 70 14 10 46 +19.87 +/- 38.65 0 6 19 10 0 +39.88 +/- 79.11
194342 ncm-dbt-03 1229378 86 29 12 45 +69.59 +/- 33.37 0 3 20 20 0 +145.27 +/- 77.59
194341 ncm-dbt-01 1227352 90 32 15 43 +66.42 +/- 39.08 0 7 14 24 0 +138.09 +/- 90.35
194340 ncm-dbt-04 1231212 94 30 13 51 +63.52 +/- 40.43 0 7 18 20 2 +114.9 +/- 81.28
194339 ncm-dbt-06 1232144 96 22 20 54 +7.24 +/- 31.76 0 9 28 11 0 +14.48 +/- 64.15
194338 ncm-dbt-05 1234062 500 150 84 266 +46.13 +/- 15.23 0 34 118 96 2 +90.97 +/- 31.44
194337 ncm-dbt-02 1240983 500 150 114 236 +25.06 +/- 15.18 0 45 125 79 1 +48.96 +/- 30.53
194336 ncm-dbt-01 1189126 500 143 106 251 +25.76 +/- 14.98 2 37 134 76 1 +53.22 +/- 29.35
194335 ncm-dbt-03 1232715 500 147 98 255 +34.16 +/- 15.53 0 43 116 90 1 +67.55 +/- 31.69
194334 ncm-dbt-06 1254242 500 148 87 265 +42.6 +/- 14.78 0 32 127 89 2 +83.57 +/- 30.21
194333 ncm-dbt-04 1206825 500 154 98 248 +39.08 +/- 15.82 0 41 115 91 3 +74.79 +/- 31.83
194332 ncm-dbt-05 1248022 500 163 98 239 +45.42 +/- 15.06 1 29 127 90 3 +89.48 +/- 30.19
194331 ncm-dbt-02 1230196 500 172 111 217 +42.6 +/- 15.54 0 39 112 98 1 +85.04 +/- 32.24
194330 ncm-dbt-03 1266758 500 159 91 250 +47.54 +/- 15.18 0 32 121 94 3 +92.46 +/- 31.03
194329 ncm-dbt-01 1178413 500 158 92 250 +46.13 +/- 15.85 0 35 120 89 6 +85.04 +/- 31.17
194328 ncm-dbt-04 1227241 500 155 98 247 +39.78 +/- 15.99 0 41 115 90 4 +74.79 +/- 31.83
194327 ncm-dbt-06 1212918 500 141 104 255 +25.76 +/- 14.86 0 41 133 74 2 +48.96 +/- 29.49
194326 ncm-dbt-02 1245737 500 155 94 251 +42.6 +/- 15.78 0 40 111 97 2 +83.57 +/- 32.37
194325 ncm-dbt-05 1222487 500 143 95 262 +33.46 +/- 13.81 0 31 140 79 0 +67.55 +/- 28.46
194324 ncm-dbt-03 1226637 500 139 97 264 +29.25 +/- 15.59 1 41 126 79 3 +56.07 +/- 30.4
194323 ncm-dbt-01 1236809 500 147 92 261 +38.37 +/- 15.17 0 36 126 85 3 +73.34 +/- 30.38
194322 ncm-dbt-04 1232222 500 150 90 260 +41.89 +/- 14.74 1 29 131 87 2 +83.57 +/- 29.65
194321 ncm-dbt-06 1237319 500 152 95 253 +39.78 +/- 15.74 0 40 116 91 3 +76.25 +/- 31.7
193907 ncm-dbt-01 1199365 500 150 89 261 +42.6 +/- 15.29 0 34 125 87 4 +80.63 +/- 30.5
193906 ncm-dbt-02 1218586 500 145 104 251 +28.55 +/- 15.17 1 39 130 78 2 +56.07 +/- 29.87
193905 ncm-dbt-05 1218850 500 134 106 260 +19.48 +/- 15.52 0 51 121 77 1 +37.67 +/- 31.03
193904 ncm-dbt-03 1235696 500 159 90 251 +48.25 +/- 16.56 0 39 110 94 7 +88.0 +/- 32.51
193903 ncm-dbt-04 1237455 500 162 92 246 +48.96 +/- 15.0 0 31 120 97 2 +96.94 +/- 31.16
193902 ncm-dbt-06 1258001 500 144 93 263 +35.56 +/- 15.25 0 39 123 86 2 +68.99 +/- 30.78
193901 ncm-dbt-01 1231617 500 163 96 241 +46.84 +/- 14.09 0 26 132 91 1 +93.95 +/- 29.45
193900 ncm-dbt-02 1217866 500 159 97 244 +43.3 +/- 15.45 0 37 116 95 2 +85.04 +/- 31.71
193899 ncm-dbt-05 1215490 500 134 94 272 +27.85 +/- 14.87 0 41 129 79 1 +54.65 +/- 30.01
193898 ncm-dbt-03 1221598 500 151 91 258 +41.89 +/- 14.87 0 34 123 92 1 +83.57 +/- 30.77
193897 ncm-dbt-04 1197012 500 152 90 258 +43.3 +/- 14.95 0 33 124 91 2 +85.04 +/- 30.63
193896 ncm-dbt-06 1228562 500 130 101 269 +20.18 +/- 15.45 1 48 122 79 0 +41.89 +/- 30.91
193895 ncm-dbt-01 1198871 500 164 116 220 +33.46 +/- 15.85 0 42 123 80 5 +60.36 +/- 30.78
193894 ncm-dbt-05 1233292 500 166 97 237 +48.25 +/- 15.34 0 35 112 102 1 +96.94 +/- 32.27
193893 ncm-dbt-02 1216134 500 146 93 261 +36.97 +/- 15.08 1 34 128 85 2 +73.34 +/- 30.1
193892 ncm-dbt-03 1236136 500 151 95 254 +39.08 +/- 14.96 0 34 129 84 3 +74.79 +/- 29.96
193891 ncm-dbt-06 1225887 500 158 112 230 +32.05 +/- 15.64 0 43 121 83 3 +60.36 +/- 31.04
193890 ncm-dbt-04 1244516 500 142 89 269 +36.97 +/- 15.08 0 37 125 86 2 +71.89 +/- 30.51
193889 ncm-dbt-01 1227592 500 151 92 257 +41.19 +/- 15.82 0 40 114 93 3 +79.17 +/- 31.97
175215 ncm-dbt-02 1440946 8 2 1 5 +43.58 +/- 76.58 0 0 3 1 0 +88.62 +/- 172.94
175214 ncm-dbt-06 1448537 16 7 4 5 +65.91 +/- 89.0 0 1 3 4 0 +136.97 +/- 241.58
175213 ncm-dbt-04 1434015 18 6 5 7 +19.32 +/- 85.67 0 2 4 3 0 +38.76 +/- 185.98
175212 ncm-dbt-05 1444133 18 8 4 6 +78.47 +/- 102.62 0 1 4 3 1 +120.41 +/- 194.59
175211 ncm-dbt-03 1443408 20 5 2 13 +52.48 +/- 50.96 0 0 7 3 0 +107.49 +/- 113.39
175210 ncm-dbt-01 1433432 20 5 3 12 +34.83 +/- 43.86 0 0 8 2 0 +70.39 +/- 92.11
175209 ncm-dbt-02 1441227 150 50 27 73 +53.7 +/- 25.49 0 7 38 30 0 +110.09 +/- 55.44
175208 ncm-dbt-04 1437912 150 40 29 81 +25.52 +/- 30.83 0 17 31 26 1 +46.6 +/- 61.03
175207 ncm-dbt-06 1441805 150 46 30 74 +37.2 +/- 26.27 0 10 39 26 0 +75.28 +/- 54.81
175206 ncm-dbt-01 1443703 150 37 27 86 +23.2 +/- 25.3 0 11 43 21 0 +46.6 +/- 51.59
175205 ncm-dbt-05 1446760 150 38 32 80 +13.9 +/- 26.38 0 14 41 20 0 +27.85 +/- 53.33
175204 ncm-dbt-03 1452499 150 43 29 78 +32.52 +/- 28.81 0 11 42 19 3 +51.33 +/- 52.4

Commit

Commit ID ad357e147a1b8481a04761d726ce1db14115a68f
Author VoyagerOne
Date 2021-08-27 19:41:32 UTC
CMH Pruning Tweak Tweak pruning formula by adding up CMH values. STC: LLR: 2.94 (-2.94,2.94) <-0.50,2.50> Total: 14608 W: 3837 L: 3641 D: 7130 Ptnml(0-2): 27, 1681, 3723, 1815, 58 https://tests.stockfishchess.org/tests/view/612792f362d20cf82b5ad156 LTC: LLR: 2.94 (-2.94,2.94) <0.50,3.50> Total: 53520 W: 13580 L: 13276 D: 26664 Ptnml(0-2): 28, 5610, 15183, 5908, 31 https://tests.stockfishchess.org/tests/view/6127d27062d20cf82b5ad191 closes https://github.com/official-stockfish/Stockfish/pull/3682 Bench: 5186641
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