Dev Builds » 20210822-0700

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 11:51:08 1223407 3966 1137 760 2069 +33.13 ± 5.33 4 299 1005 666 9 +65.96 ± 10.73
ncm-dbt-02 11:47:44 1269472 3940 1150 807 1983 +30.32 ± 5.48 4 322 990 635 19 +58.39 ± 10.82
ncm-dbt-03 11:48:36 1265342 3994 1167 799 2028 +32.1 ± 5.26 1 303 1031 651 11 +62.96 ± 10.58
ncm-dbt-04 00:31:03 1486442 168 53 30 85 +47.86 ± 25.75 0 10 42 31 1 +93.17 ± 52.88
ncm-dbt-05 11:47:49 1261374 3960 1110 788 2062 +28.31 ± 5.32 4 318 1018 632 8 +56.29 ± 10.66
ncm-dbt-06 11:50:15 1256314 3972 1168 802 2002 +32.11 ± 5.33 1 308 1016 646 15 +62.24 ± 10.67
20000 5785 3986 10229 +31.34 ± 2.38 14 1560 5102 3261 63 +61.43 ± 4.76

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
209749 ncm-dbt-02 1226784 276 67 59 150 +10.07 ± 20.01 0 29 72 37 0 +20.16 ± 40.26 ↓
209748 ncm-dbt-05 1229827 292 86 63 143 +27.42 ± 20.12 0 25 75 44 2 +50.32 ± 39.45 ↓
209747 ncm-dbt-01 1197397 294 82 58 154 +28.43 ± 19.54 1 22 76 48 0 +59.67 ± 39.15 ↓
209746 ncm-dbt-06 1223711 308 94 67 147 +30.53 ± 19.73 0 28 71 55 0 +61.55 ± 40.56 ↓
209745 ncm-dbt-03 1228188 330 101 72 157 +30.61 ± 18.14 0 26 84 55 0 +61.71 ± 37.26 ↓
209744 ncm-dbt-02 1231200 500 150 106 244 +30.65 ± 14.29 0 34 140 74 2 +58.93 ± 28.51 ↓
209743 ncm-dbt-01 1173840 500 132 108 260 +16.69 ± 15.79 2 49 123 75 1 +34.86 ± 30.78 ↓
209742 ncm-dbt-05 1235261 500 137 113 250 +16.69 ± 16.03 3 49 119 79 0 +37.67 ± 31.28 ↓
209741 ncm-dbt-06 1248260 500 157 108 235 +34.16 ± 14.91 0 37 129 82 2 +66.1 ± 29.99 ↓
209740 ncm-dbt-03 1238205 500 152 98 250 +37.67 ± 14.74 0 36 124 90 0 +76.25 ± 30.64 ↓
209739 ncm-dbt-02 1225909 500 158 97 245 +42.6 ± 15.9 1 37 115 94 3 +83.57 ± 31.84 ↓
209738 ncm-dbt-01 1198141 500 144 97 259 +32.76 ± 14.56 0 37 129 84 0 +66.1 ± 29.99 ↓
209737 ncm-dbt-05 1216928 500 146 112 242 +23.66 ± 14.96 0 45 126 79 0 +47.55 ± 30.4 ↓
209736 ncm-dbt-06 1210184 500 138 95 267 +29.95 ± 14.11 0 32 146 69 3 +56.07 ± 27.68 ↓
209735 ncm-dbt-03 1225075 500 151 104 245 +32.75 ± 15.32 0 40 126 81 3 +61.79 ± 30.39 ↓
209734 ncm-dbt-02 1261875 500 155 103 242 +36.26 ± 15.54 1 37 124 85 3 +70.44 ± 30.65 ↓
209733 ncm-dbt-01 1207731 500 156 92 252 +44.72 ± 15.03 0 32 125 90 3 +86.52 ± 30.48 ↓
209732 ncm-dbt-05 1234794 500 123 100 277 +15.99 ± 15.14 0 50 128 71 1 +30.65 ± 30.16 ↓
209731 ncm-dbt-06 1215257 500 150 105 245 +31.35 ± 14.6 0 36 135 77 2 +60.36 ± 29.19 ↓
209730 ncm-dbt-03 1230534 500 149 96 255 +36.97 ± 14.7 0 35 128 86 1 +73.34 ± 30.1 ↓
209729 ncm-dbt-01 1171443 500 139 89 272 +34.86 ± 14.44 0 35 130 85 0 +70.44 ± 29.84 ↓
209728 ncm-dbt-02 1230084 500 152 86 262 +46.13 ± 15.61 0 35 118 93 4 +88.0 ± 31.44 ↓
209727 ncm-dbt-05 1230021 500 147 81 272 +46.13 ± 14.32 1 23 138 85 3 +90.97 ± 28.58 ↓
209726 ncm-dbt-06 1233210 500 150 92 258 +40.48 ± 14.65 0 34 124 92 0 +82.1 ± 30.63 ↓
209725 ncm-dbt-03 1260652 500 143 100 257 +29.95 ± 14.63 0 38 132 79 1 +58.93 ± 29.6 ↓
209724 ncm-dbt-02 1248337 500 145 110 245 +24.36 ± 16.89 1 52 114 77 6 +41.89 ± 31.89 ↓
209723 ncm-dbt-05 1248758 500 149 100 251 +34.16 ± 14.65 0 37 127 86 0 +68.99 ± 30.25 ↓
209722 ncm-dbt-01 1185192 500 139 93 268 +32.05 ± 16.0 1 43 118 85 3 +61.79 ± 31.43 ↓
209721 ncm-dbt-03 1235880 500 144 105 251 +27.15 ± 14.31 0 37 138 74 1 +53.22 ± 28.81 ↓
209720 ncm-dbt-06 1236358 500 137 98 265 +27.15 ± 15.57 0 45 124 78 3 +50.38 ± 30.66 ↓
209590 ncm-dbt-05 1250781 500 138 99 263 +27.15 ± 14.04 0 36 139 75 0 +54.65 ± 28.67 ↓
209589 ncm-dbt-02 1245938 500 138 108 254 +20.87 ± 14.88 1 43 131 75 0 +43.3 ± 29.76 ↓
209588 ncm-dbt-06 1221620 500 155 97 248 +40.48 ± 15.04 0 36 121 92 1 +80.63 ± 31.04 ↓
209587 ncm-dbt-01 1197484 500 151 93 256 +40.48 ± 14.39 0 30 134 84 2 +79.17 ± 29.25 ↓
209586 ncm-dbt-03 1224429 500 147 101 252 +32.05 ± 15.03 1 35 134 77 3 +61.79 ± 29.32 ↓
209585 ncm-dbt-03 1244500 500 138 91 271 +32.75 ± 15.32 0 41 123 84 2 +63.23 ± 30.78 ↓
209584 ncm-dbt-05 1209468 500 138 91 271 +32.75 ± 15.32 0 41 123 84 2 +63.23 ± 30.78 ↓
209583 ncm-dbt-06 1227286 500 139 108 253 +21.57 ± 15.91 1 48 123 75 3 +40.48 ± 30.78 ↓
209582 ncm-dbt-02 1253704 500 139 111 250 +19.48 ± 14.9 0 46 131 72 1 +37.67 ± 29.77 ↓
209581 ncm-dbt-01 1198079 500 138 91 271 +32.76 ± 14.43 0 36 131 83 0 +66.1 ± 29.72 ↓
178012 ncm-dbt-06 1490942 164 48 32 84 +34.0 ± 26.19 0 12 43 26 1 +64.28 ± 52.16 ↓
178011 ncm-dbt-05 1496533 168 46 29 93 +35.28 ± 25.15 0 12 43 29 0 +71.3 ± 52.24 ↓
178010 ncm-dbt-03 1500622 164 42 32 90 +21.21 ± 26.0 0 15 42 25 0 +42.58 ± 52.92 ↓
178009 ncm-dbt-02 1501421 164 46 27 91 +40.43 ± 24.07 0 9 45 28 0 +81.99 ± 50.51 ↓
178008 ncm-dbt-04 1486442 168 53 30 85 +47.86 ± 25.75 0 10 42 31 1 +93.17 ± 52.88 ↓
178007 ncm-dbt-01 1481363 172 56 39 77 +34.45 ± 26.47 0 15 39 32 0 +69.6 ± 54.94 ↓

Commit

Commit ID e57d2d9d4714fd085042f88a037be93772956105
Author bmc4
Date 2021-08-22 07:00:15 UTC
Simplify Null Move Search Reduction slightly simpler formula for reduction computation. first round of tests: STC: LLR: 2.97 (-2.94,2.94) <-2.50,0.50> Total: 15632 W: 1319 L: 1204 D: 13109 Ptnml(0-2): 33, 956, 5733, 1051, 43 https://tests.stockfishchess.org/tests/view/60bd03c7457376eb8bcaa600 LTC: LLR: 3.37 (-2.94,2.94) <-2.50,0.50> Total: 86296 W: 2814 L: 2779 D: 80703 Ptnml(0-2): 33, 2500, 38039, 2551, 25 https://tests.stockfishchess.org/tests/view/60bd1ff0457376eb8bcaa653 recent tests: STC: LLR: 2.93 (-2.94,2.94) <-2.50,0.50> Total: 23936 W: 1895 L: 1793 D: 20248 Ptnml(0-2): 40, 1470, 8869, 1526, 63 https://tests.stockfishchess.org/tests/view/611f9b7d4977aa1525c9cb6b LTC: LLR: 2.95 (-2.94,2.94) <-2.50,0.50> Total: 62568 W: 1750 L: 1713 D: 59105 Ptnml(0-2): 19, 1560, 28085, 1605, 15 https://tests.stockfishchess.org/tests/view/611fa4814977aa1525c9cb71 functional on high depth closes https://github.com/official-stockfish/Stockfish/pull/3535 Bench: 5375286
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