Dev Builds » 20210907-1759

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 09:59:21 1262087 3336 1032 632 1672 +41.86 +/- 5.82 0 228 827 598 15 +81.66 +/- 11.83
ncm-dbt-02 09:55:46 1280318 3316 1004 605 1707 +42.01 +/- 5.89 2 229 808 606 13 +82.84 +/- 11.98
ncm-dbt-03 10:00:46 1286826 3324 1002 663 1659 +35.56 +/- 5.96 3 257 813 576 13 +69.7 +/- 11.94
ncm-dbt-04 09:56:59 1273770 3356 1030 619 1707 +42.76 +/- 5.97 1 245 790 626 16 +83.57 +/- 12.12
ncm-dbt-05 09:54:18 1280658 3334 1015 599 1720 +43.58 +/- 5.9 4 218 821 606 18 +85.47 +/- 11.88
ncm-dbt-06 10:00:02 1267884 3334 1011 622 1701 +40.72 +/- 5.89 0 240 813 599 15 +79.3 +/- 11.94
20000 6094 3740 10166 +41.08 +/- 2.41 10 1417 4872 3611 90 +80.41 +/- 4.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
193888 ncm-dbt-02 1223936 154 46 28 80 +40.79 +/- 24.51 0 8 43 26 0 +82.75 +/- 51.5
193887 ncm-dbt-03 1228318 162 45 33 84 +25.78 +/- 25.49 0 13 43 25 0 +51.85 +/- 52.15
193886 ncm-dbt-05 1232829 168 57 28 83 +60.58 +/- 28.71 1 10 33 39 1 +125.09 +/- 59.71
193885 ncm-dbt-06 1209070 166 54 35 77 +39.94 +/- 25.89 0 11 43 28 1 +76.56 +/- 52.17
193884 ncm-dbt-01 1212743 168 50 33 85 +35.27 +/- 24.46 0 10 48 25 1 +67.0 +/- 48.64
193883 ncm-dbt-04 1218362 182 60 32 90 +53.87 +/- 25.29 0 10 45 34 2 +102.11 +/- 51.06
193882 ncm-dbt-02 1229645 500 148 97 255 +35.56 +/- 15.5 0 42 116 91 1 +70.44 +/- 31.69
193881 ncm-dbt-03 1246890 500 157 102 241 +38.37 +/- 15.9 1 40 114 93 2 +76.25 +/- 31.96
193880 ncm-dbt-01 1234069 500 150 90 260 +41.89 +/- 15.37 0 36 121 90 3 +80.63 +/- 31.04
193879 ncm-dbt-05 1228534 500 153 96 251 +39.78 +/- 14.87 1 31 130 86 2 +79.17 +/- 29.81
193878 ncm-dbt-06 1237984 500 146 91 263 +38.37 +/- 14.92 0 35 127 86 2 +74.79 +/- 30.24
193877 ncm-dbt-04 1227191 500 162 96 242 +46.13 +/- 15.36 0 33 122 91 4 +88.0 +/- 30.9
193871 ncm-dbt-02 1232314 500 151 79 270 +50.38 +/- 14.81 0 29 122 97 2 +99.95 +/- 30.87
193870 ncm-dbt-03 1239272 500 148 104 248 +30.65 +/- 14.94 0 41 124 85 0 +61.79 +/- 30.65
193869 ncm-dbt-05 1236491 500 148 94 258 +37.67 +/- 16.34 1 41 116 87 5 +70.44 +/- 31.69
193868 ncm-dbt-01 1173428 500 148 90 262 +40.48 +/- 14.39 0 30 134 84 2 +79.17 +/- 29.25
193867 ncm-dbt-04 1231887 500 145 90 265 +38.37 +/- 15.17 0 38 120 91 1 +76.25 +/- 31.18
193866 ncm-dbt-06 1209285 500 152 111 237 +28.55 +/- 16.14 0 49 114 84 3 +53.22 +/- 31.91
193253 ncm-dbt-02 1226215 500 142 91 267 +35.56 +/- 14.87 1 35 126 88 0 +73.34 +/- 30.38
193252 ncm-dbt-03 1260470 500 141 113 246 +19.48 +/- 15.52 0 51 121 77 1 +37.67 +/- 31.03
193251 ncm-dbt-01 1178568 500 164 101 235 +44.01 +/- 14.99 0 33 123 92 2 +86.52 +/- 30.76
193250 ncm-dbt-05 1232764 500 152 100 248 +36.26 +/- 14.4 0 32 136 80 2 +70.44 +/- 29.01
193249 ncm-dbt-06 1215881 500 156 94 250 +43.3 +/- 14.95 0 32 127 88 3 +83.57 +/- 30.21
193248 ncm-dbt-04 1213699 500 159 87 254 +50.38 +/- 15.07 1 29 118 101 1 +102.97 +/- 31.44
193247 ncm-dbt-02 1229182 500 165 85 250 +56.07 +/- 15.47 0 29 117 99 5 +107.54 +/- 31.57
193246 ncm-dbt-03 1235673 500 154 85 261 +48.25 +/- 14.83 0 29 126 92 3 +93.95 +/- 30.32
193245 ncm-dbt-06 1204787 500 156 94 250 +43.3 +/- 14.56 0 30 130 88 2 +85.04 +/- 29.79
193244 ncm-dbt-05 1243255 500 162 91 247 +49.67 +/- 15.67 0 35 112 100 3 +96.94 +/- 32.27
193243 ncm-dbt-01 1224555 500 164 90 246 +51.8 +/- 15.14 0 31 116 101 2 +102.97 +/- 31.72
193242 ncm-dbt-04 1230385 500 151 85 264 +46.13 +/- 15.1 0 33 120 95 2 +90.97 +/- 31.17
193241 ncm-dbt-03 1239322 500 151 104 245 +32.76 +/- 15.69 1 41 120 86 2 +64.66 +/- 31.17
193240 ncm-dbt-01 1232288 500 155 95 250 +41.89 +/- 15.25 0 37 117 95 1 +83.57 +/- 31.58
193239 ncm-dbt-02 1235633 500 160 92 248 +47.55 +/- 16.04 1 36 110 100 3 +93.95 +/- 32.53
193238 ncm-dbt-06 1208914 500 154 87 259 +46.84 +/- 15.14 0 34 116 99 1 +93.95 +/- 31.72
193237 ncm-dbt-04 1232856 500 140 97 263 +29.95 +/- 15.26 0 43 122 84 1 +58.93 +/- 30.91
193236 ncm-dbt-05 1231482 500 136 84 280 +36.27 +/- 14.53 1 32 131 86 0 +74.79 +/- 29.69
193235 ncm-dbt-04 1232730 500 149 96 255 +36.97 +/- 16.53 0 47 107 92 4 +68.99 +/- 32.83
193234 ncm-dbt-05 1218792 500 153 84 263 +48.25 +/- 15.47 0 33 119 94 4 +92.46 +/- 31.31
193233 ncm-dbt-02 1241161 500 145 99 256 +32.05 +/- 14.52 0 36 133 80 1 +63.23 +/- 29.45
193232 ncm-dbt-01 1206006 500 149 96 255 +36.97 +/- 14.96 0 36 127 85 2 +71.89 +/- 30.24
193231 ncm-dbt-03 1225762 500 149 93 258 +39.08 +/- 14.57 0 32 132 84 2 +76.25 +/- 29.54
193230 ncm-dbt-06 1220616 500 138 85 277 +36.97 +/- 15.33 0 38 124 85 3 +70.44 +/- 30.65
175203 ncm-dbt-02 1444574 12 3 2 7 +29.01 +/- 98.94 0 1 3 2 0 +58.45 +/- 226.57
175202 ncm-dbt-03 1449398 12 4 3 5 +29.01 +/- 131.8 0 2 1 3 0 +58.45 +/- 350.58
175201 ncm-dbt-01 1440357 18 7 5 6 +38.72 +/- 108.87 0 2 4 2 1 +38.76 +/- 185.98
175200 ncm-dbt-06 1448519 18 7 3 8 +78.5 +/- 83.65 0 1 3 5 0 +165.99 +/- 249.17
175199 ncm-dbt-05 1445155 16 5 2 9 +65.88 +/- 61.23 0 0 5 3 0 +136.9 +/- 147.45
175198 ncm-dbt-04 1437609 24 7 6 11 +14.48 +/- 63.77 0 2 7 3 0 +29.02 +/- 132.98
175197 ncm-dbt-05 1456626 150 49 20 81 +68.02 +/- 24.91 0 4 39 31 1 +136.3 +/- 53.93
175196 ncm-dbt-02 1460205 150 44 32 74 +27.85 +/- 28.26 0 13 38 23 1 +51.33 +/- 55.7
175195 ncm-dbt-04 1439217 150 57 30 63 +63.22 +/- 29.48 0 10 29 35 1 +125.65 +/- 63.72
175194 ncm-dbt-03 1456329 150 53 26 71 +63.23 +/- 31.67 1 8 32 31 3 +120.41 +/- 60.97
175193 ncm-dbt-06 1455902 150 48 22 80 +60.83 +/- 28.54 0 10 29 36 0 +125.65 +/- 63.72
175192 ncm-dbt-01 1456775 150 45 32 73 +30.18 +/- 28.54 0 13 37 24 1 +56.07 +/- 56.5

Commit

Commit ID b7b6b4ba18bc9d291c2c2fd300c22a3e008dcbb2
Author Stefan Geschwentner
Date 2021-09-07 17:59:14 UTC
Further improve history updates Now even double history updates if a search failed low at an expected PV or CUT node. STC: LLR: 2.93 (-2.94,2.94) <-0.50,2.50> Total: 30736 W: 7891 L: 7674 D: 15171 Ptnml(0-2): 90, 3477, 8017, 3694, 90 https://tests.stockfishchess.org/tests/view/61364ae30cd98ab40c0c9da5 LTC: LLR: 2.94 (-2.94,2.94) <0.50,3.50> Total: 73600 W: 18684 L: 18326 D: 36590 Ptnml(0-2): 41, 7734, 20899, 8078, 48 https://tests.stockfishchess.org/tests/view/6136940f0cd98ab40c0c9df3 closes https://github.com/official-stockfish/Stockfish/pull/3694 Bench: 6030657
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