Dev Builds » 20211127-1347

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 09:56:33 1146550 3344 1160 545 1639 +64.63 +/- 5.76 2 157 753 744 16 +130.72 +/- 12.41
ncm-dbt-02 09:52:53 1259428 3314 1112 543 1659 +60.25 +/- 5.76 3 158 779 701 16 +121.28 +/- 12.18
ncm-dbt-03 09:56:26 1268680 3338 1108 543 1687 +59.38 +/- 5.72 0 167 787 698 17 +118.46 +/- 12.12
ncm-dbt-04 09:57:20 1259853 3348 1118 547 1683 +59.84 +/- 5.71 1 166 782 711 14 +120.41 +/- 12.17
ncm-dbt-05 09:52:44 1261480 3306 1080 562 1664 +54.89 +/- 5.9 2 191 763 681 16 +109.41 +/- 12.33
ncm-dbt-06 09:56:51 1258997 3350 1101 506 1743 +62.37 +/- 5.85 3 170 749 735 18 +125.49 +/- 12.45
20000 6679 3246 10075 +60.23 +/- 2.36 11 1009 4613 4270 97 +120.95 +/- 5.01

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
206742 ncm-dbt-05 1217672 138 39 22 77 +43.02 +/- 26.95 0 8 36 25 0 +87.4 +/- 57.0
206741 ncm-dbt-02 1230535 154 49 24 81 +56.9 +/- 28.39 0 10 33 33 1 +112.02 +/- 59.95
206740 ncm-dbt-01 1081662 176 59 25 92 +67.97 +/- 21.63 0 4 46 38 0 +141.59 +/- 49.35
206739 ncm-dbt-03 1240671 170 60 34 76 +53.55 +/- 25.35 0 9 42 33 1 +105.3 +/- 52.87
206738 ncm-dbt-04 1221556 178 60 32 86 +55.11 +/- 21.22 0 5 51 33 0 +113.14 +/- 46.23
206737 ncm-dbt-06 1204975 184 61 24 99 +70.83 +/- 21.2 0 4 47 41 0 +148.09 +/- 48.94
206736 ncm-dbt-05 1229014 500 155 86 259 +48.25 +/- 15.09 0 34 113 103 0 +98.44 +/- 32.13
206735 ncm-dbt-02 1235606 500 181 93 226 +61.79 +/- 14.55 1 19 124 103 3 +124.6 +/- 30.44
206734 ncm-dbt-01 1101239 500 181 86 233 +66.82 +/- 14.48 0 22 112 115 1 +137.37 +/- 32.27
206733 ncm-dbt-03 1236531 500 157 89 254 +47.54 +/- 16.52 0 43 99 105 3 +92.46 +/- 33.96
206732 ncm-dbt-04 1234576 500 172 86 242 +60.36 +/- 14.89 0 28 108 114 0 +124.6 +/- 32.89
206731 ncm-dbt-06 1233332 500 170 83 247 +61.08 +/- 16.19 1 31 102 112 4 +121.46 +/- 33.75
206730 ncm-dbt-05 1225221 500 163 81 256 +57.5 +/- 14.49 0 24 122 102 2 +115.23 +/- 30.81
206729 ncm-dbt-02 1226844 500 156 83 261 +51.09 +/- 14.18 1 23 128 98 0 +106.01 +/- 29.96
206728 ncm-dbt-03 1220811 500 161 83 256 +54.64 +/- 14.22 0 23 128 97 2 +109.07 +/- 29.94
206727 ncm-dbt-01 1090950 500 174 67 259 +75.52 +/- 14.65 0 20 105 123 2 +155.54 +/- 33.38
206726 ncm-dbt-04 1218489 500 179 90 231 +62.51 +/- 14.31 0 21 121 106 2 +126.18 +/- 30.9
206725 ncm-dbt-06 1207997 500 161 89 250 +50.38 +/- 15.2 1 26 128 90 5 +96.94 +/- 30.02
206724 ncm-dbt-05 1234733 500 155 84 261 +49.67 +/- 15.29 0 33 115 100 2 +98.44 +/- 31.86
206723 ncm-dbt-02 1219144 500 163 80 257 +58.21 +/- 14.25 0 22 125 101 2 +116.78 +/- 30.34
206722 ncm-dbt-03 1224813 500 168 82 250 +60.36 +/- 14.89 0 25 117 105 3 +119.89 +/- 31.55
206721 ncm-dbt-01 1096110 500 174 83 243 +63.94 +/- 15.69 0 29 105 112 4 +126.18 +/- 33.33
206720 ncm-dbt-04 1224896 500 160 76 264 +58.93 +/- 14.96 0 25 120 101 4 +115.23 +/- 31.11
206719 ncm-dbt-06 1230092 500 178 69 253 +76.97 +/- 16.28 0 30 85 131 4 +155.54 +/- 36.57
206718 ncm-dbt-02 1224804 500 165 77 258 +61.79 +/- 14.82 0 24 117 106 3 +123.02 +/- 31.54
206717 ncm-dbt-05 1222468 500 181 89 230 +64.66 +/- 15.84 0 27 111 105 7 +123.02 +/- 32.44
206716 ncm-dbt-03 1237852 500 167 70 263 +68.27 +/- 14.4 0 20 115 113 2 +138.99 +/- 31.79
206715 ncm-dbt-01 1109948 500 167 78 255 +62.51 +/- 14.44 0 22 119 107 2 +126.18 +/- 31.22
206714 ncm-dbt-04 1229184 500 159 83 258 +53.22 +/- 15.21 0 31 114 103 2 +106.01 +/- 32.0
206713 ncm-dbt-06 1229747 500 160 70 270 +63.23 +/- 14.88 0 25 112 111 2 +127.76 +/- 32.29
206712 ncm-dbt-02 1214242 500 168 76 256 +64.66 +/- 15.72 1 28 101 118 2 +132.54 +/- 33.95
206711 ncm-dbt-05 1231480 500 165 87 248 +54.64 +/- 14.49 0 26 121 102 1 +110.6 +/- 30.98
206710 ncm-dbt-03 1241194 500 173 85 242 +61.79 +/- 14.55 0 21 124 101 4 +121.46 +/- 30.47
206709 ncm-dbt-01 1093093 500 173 92 235 +56.78 +/- 15.12 1 25 119 102 3 +113.68 +/- 31.27
206708 ncm-dbt-04 1235102 500 175 84 241 +63.94 +/- 14.64 0 23 115 110 2 +129.35 +/- 31.83
206707 ncm-dbt-06 1235293 500 164 78 258 +60.36 +/- 15.15 1 26 110 112 1 +124.6 +/- 32.59
206706 ncm-dbt-05 1237529 500 162 79 259 +58.21 +/- 15.82 2 27 110 108 3 +118.33 +/- 32.59
206705 ncm-dbt-03 1245548 500 164 76 260 +61.79 +/- 14.14 0 21 121 107 1 +126.18 +/- 30.9
206704 ncm-dbt-02 1232864 500 173 84 243 +62.51 +/- 14.98 0 25 114 108 3 +124.6 +/- 31.99
206703 ncm-dbt-01 1099237 500 175 88 237 +61.07 +/- 14.65 0 25 114 110 1 +124.6 +/- 31.99
206702 ncm-dbt-06 1238359 500 160 66 274 +66.1 +/- 13.74 0 16 126 106 2 +134.15 +/- 30.02
206701 ncm-dbt-04 1227660 500 152 69 279 +58.21 +/- 15.32 1 27 112 108 2 +118.33 +/- 32.29
177733 ncm-dbt-02 1491385 160 57 26 77 +68.17 +/- 26.96 0 7 37 34 2 +131.94 +/- 56.55
177732 ncm-dbt-06 1492186 166 47 27 92 +42.06 +/- 26.11 0 12 39 32 0 +85.4 +/- 55.06
177731 ncm-dbt-01 1500163 168 57 26 85 +64.85 +/- 30.21 1 10 33 37 3 +125.09 +/- 59.71
177730 ncm-dbt-04 1487366 170 61 27 82 +70.43 +/- 25.23 0 6 41 36 2 +137.56 +/- 53.36
177729 ncm-dbt-05 1493728 168 60 34 74 +54.2 +/- 27.59 0 12 35 36 1 +106.63 +/- 58.02
177728 ncm-dbt-03 1502027 168 58 24 86 +71.29 +/- 24.04 0 5 41 37 1 +144.25 +/- 53.14

Commit

Commit ID 8bb5a436b240d22e3e9729a1cd094169941afd7c
Author Michael Chaly
Date 2021-11-27 13:47:46 UTC
Adjust usage of history in futility pruning This patch refines 0ac8aca893dd2052f8433e0b4a3d65073266b00f that uses history heuristics in futility pruning. Now it adds main history of the move to in and also increases effect by factor of 2. passed STC https://tests.stockfishchess.org/tests/view/61a156829e83391467a2b2c9 LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 68464 W: 17920 L: 17587 D: 32957 Ptnml(0-2): 239, 7711, 18025, 7992, 265 passed LTC https://tests.stockfishchess.org/tests/view/61a1bde99e83391467a2b305 LLR: 2.95 (-2.94,2.94) <0.50,3.00> Total: 26088 W: 6926 L: 6674 D: 12488 Ptnml(0-2): 18, 2619, 7531, 2845, 31 closes https://github.com/official-stockfish/Stockfish/pull/3812 bench 6804653
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