Dev Builds » 20211203-0754

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 09:27:01 1145806 3178 1082 513 1583 +62.88 +/- 5.95 4 151 721 698 15 +127.43 +/- 12.68
ncm-dbt-02 10:11:45 1329756 3388 1156 496 1736 +68.56 +/- 5.79 2 157 733 783 19 +138.82 +/- 12.58
ncm-dbt-03 10:18:03 1337964 3424 1216 555 1653 +67.92 +/- 5.55 0 145 774 780 13 +138.39 +/- 12.23
ncm-dbt-04 10:17:49 1329056 3432 1193 544 1695 +66.5 +/- 5.72 1 157 774 760 24 +132.86 +/- 12.24
ncm-dbt-05 10:14:51 1338292 3398 1165 534 1699 +65.27 +/- 5.77 0 166 758 753 22 +130.32 +/- 12.37
ncm-dbt-06 09:27:18 1217449 3180 1075 517 1588 +61.6 +/- 5.93 2 160 719 696 13 +124.61 +/- 12.7
20000 6887 3159 9954 +65.53 +/- 2.36 9 936 4479 4470 106 +132.18 +/- 5.09

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
188052 ncm-dbt-02 1228970 138 43 22 73 +53.29 +/- 28.92 1 6 33 29 0 +114.78 +/- 59.91
188051 ncm-dbt-05 1227868 148 51 20 77 +73.86 +/- 27.29 0 7 29 38 0 +155.09 +/- 64.25
188050 ncm-dbt-03 1230288 174 62 35 77 +54.35 +/- 26.85 0 12 37 37 1 +107.1 +/- 56.48
188049 ncm-dbt-04 1211934 182 60 32 90 +53.87 +/- 23.47 0 8 48 34 1 +106.28 +/- 48.94
188048 ncm-dbt-01 1138459 178 65 31 82 +67.19 +/- 25.48 1 6 41 40 1 +139.82 +/- 53.62
188047 ncm-dbt-06 1215485 180 70 34 76 +70.43 +/- 24.21 0 8 38 44 0 +147.19 +/- 55.94
188046 ncm-dbt-02 1243591 500 170 69 261 +71.16 +/- 15.32 0 24 105 117 4 +142.26 +/- 33.37
188045 ncm-dbt-05 1254377 500 166 77 257 +62.51 +/- 15.5 0 26 115 103 6 +119.89 +/- 31.85
188044 ncm-dbt-03 1238797 500 177 86 237 +63.94 +/- 13.51 0 16 128 105 1 +130.94 +/- 29.72
188043 ncm-dbt-01 1146223 500 175 82 243 +65.38 +/- 15.1 1 22 113 111 3 +132.54 +/- 32.13
188042 ncm-dbt-04 1204780 500 171 68 261 +72.61 +/- 14.41 0 21 105 124 0 +152.18 +/- 33.38
188041 ncm-dbt-06 1210046 500 162 80 258 +57.5 +/- 15.03 0 27 117 103 3 +113.68 +/- 31.56
188040 ncm-dbt-02 1230026 500 175 74 251 +71.16 +/- 14.92 0 22 108 117 3 +143.89 +/- 32.9
188039 ncm-dbt-05 1257336 500 172 88 240 +58.93 +/- 15.22 0 27 116 103 4 +115.23 +/- 31.71
188038 ncm-dbt-03 1215029 500 168 85 247 +58.21 +/- 14.79 0 26 117 105 2 +116.78 +/- 31.56
188037 ncm-dbt-04 1248479 500 173 84 243 +62.51 +/- 14.72 0 23 118 106 3 +124.6 +/- 31.38
188036 ncm-dbt-01 1152177 500 164 72 264 +64.66 +/- 14.67 0 23 114 111 2 +130.94 +/- 31.98
188035 ncm-dbt-06 1208494 500 171 78 251 +65.38 +/- 14.56 0 22 115 111 2 +132.54 +/- 31.82
188034 ncm-dbt-02 1230897 500 177 72 251 +74.06 +/- 14.88 0 21 106 120 3 +150.51 +/- 33.22
188033 ncm-dbt-05 1227933 500 171 68 261 +72.61 +/- 14.55 0 17 118 110 5 +143.89 +/- 31.26
188032 ncm-dbt-04 1221960 500 180 72 248 +76.25 +/- 15.09 0 19 110 115 6 +150.51 +/- 32.56
188031 ncm-dbt-03 1230172 500 181 83 236 +68.99 +/- 14.28 0 19 116 113 2 +140.62 +/- 31.61
188030 ncm-dbt-01 1147469 500 154 86 260 +47.54 +/- 14.79 0 31 121 97 1 +95.44 +/- 31.02
188029 ncm-dbt-06 1225322 500 174 67 259 +75.52 +/- 14.08 0 17 110 122 1 +157.24 +/- 32.52
188028 ncm-dbt-02 1243381 500 181 71 248 +77.71 +/- 15.4 1 21 98 127 3 +160.64 +/- 34.55
188027 ncm-dbt-05 1227106 500 163 84 253 +55.36 +/- 15.19 0 31 110 108 1 +112.14 +/- 32.58
188026 ncm-dbt-04 1248055 500 170 96 234 +51.8 +/- 14.75 1 24 128 94 3 +102.97 +/- 29.98
188025 ncm-dbt-01 1145431 500 176 71 253 +74.06 +/- 14.18 0 18 110 121 1 +153.86 +/- 32.54
188024 ncm-dbt-06 1220837 500 173 87 240 +60.36 +/- 15.02 0 27 112 109 2 +121.46 +/- 32.29
188023 ncm-dbt-03 1237102 500 184 68 248 +82.1 +/- 14.7 0 19 98 131 2 +171.02 +/- 34.58
188022 ncm-dbt-02 1233187 500 168 76 256 +64.66 +/- 14.8 0 22 118 106 4 +127.76 +/- 31.37
188021 ncm-dbt-04 1225524 500 178 86 236 +64.66 +/- 15.2 0 24 115 106 5 +126.18 +/- 31.84
188020 ncm-dbt-06 1217827 500 169 95 236 +51.8 +/- 15.65 2 28 117 100 3 +104.49 +/- 31.58
188019 ncm-dbt-05 1235708 500 186 77 237 +76.97 +/- 14.27 0 15 115 116 4 +155.54 +/- 31.67
188018 ncm-dbt-01 1133209 500 168 84 248 +58.93 +/- 15.98 1 31 104 111 3 +118.33 +/- 33.45
188017 ncm-dbt-03 1255120 500 177 81 242 +67.54 +/- 14.78 0 22 113 112 3 +135.76 +/- 32.12
188016 ncm-dbt-02 1255998 500 162 74 264 +61.79 +/- 14.95 0 27 109 113 1 +126.18 +/- 32.74
188015 ncm-dbt-05 1226811 500 173 83 244 +63.23 +/- 15.01 0 27 107 115 1 +129.35 +/- 33.05
188014 ncm-dbt-03 1232230 500 176 80 244 +67.55 +/- 14.37 0 22 110 118 0 +140.62 +/- 32.58
188013 ncm-dbt-06 1224133 500 156 76 268 +56.07 +/- 15.35 0 31 110 107 2 +112.14 +/- 32.58
188012 ncm-dbt-01 1157677 500 180 87 233 +65.38 +/- 14.97 1 20 118 107 4 +130.94 +/- 31.35
188011 ncm-dbt-04 1226455 500 169 68 263 +71.16 +/- 15.84 0 27 100 118 5 +140.62 +/- 34.14
174258 ncm-dbt-03 1460345 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
174257 ncm-dbt-05 1455886 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
174256 ncm-dbt-04 1444424 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
174250 ncm-dbt-02 1460937 50 17 7 26 +70.43 +/- 53.56 0 4 7 14 0 +147.19 +/- 129.82
174249 ncm-dbt-04 1447639 50 19 8 23 +77.7 +/- 41.12 0 1 12 12 0 +164.07 +/- 100.82
174248 ncm-dbt-05 1456038 50 20 8 22 +85.04 +/- 41.74 0 1 11 13 0 +181.7 +/- 107.11
174247 ncm-dbt-03 1459758 50 17 7 26 +70.42 +/- 49.53 0 2 12 10 1 +130.94 +/- 101.68
174245 ncm-dbt-04 1450578 50 19 9 22 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
174244 ncm-dbt-02 1459152 50 16 7 27 +63.22 +/- 44.25 0 2 12 11 0 +130.94 +/- 101.68
174243 ncm-dbt-05 1455146 50 19 5 26 +99.94 +/- 47.48 0 2 7 16 0 +219.87 +/- 140.03
174242 ncm-dbt-03 1460788 50 19 9 22 +70.42 +/- 53.56 0 3 10 11 1 +130.94 +/- 112.59
174241 ncm-dbt-04 1450135 50 18 5 27 +92.45 +/- 47.1 0 2 8 15 0 +200.24 +/- 129.69
174240 ncm-dbt-05 1459153 50 17 10 23 +48.95 +/- 57.91 0 5 9 10 1 +85.04 +/- 115.03
174239 ncm-dbt-02 1455745 50 15 7 28 +56.07 +/- 51.66 0 4 9 12 0 +115.23 +/- 116.78
174238 ncm-dbt-03 1453229 50 14 6 30 +56.07 +/- 43.2 0 2 13 10 0 +115.23 +/- 96.38
174237 ncm-dbt-02 1459299 50 16 6 28 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
174236 ncm-dbt-04 1448080 50 18 12 20 +41.88 +/- 56.76 0 5 10 9 1 +70.44 +/- 110.15
174235 ncm-dbt-03 1461235 50 20 9 21 +77.7 +/- 45.94 0 2 10 13 0 +164.07 +/- 113.84
174234 ncm-dbt-05 1456923 50 15 5 30 +70.43 +/- 49.53 0 3 9 13 0 +147.19 +/- 118.91
174233 ncm-dbt-03 1459448 50 21 6 23 +107.52 +/- 36.86 0 0 10 15 0 +240.79 +/- 111.83
174232 ncm-dbt-04 1449694 50 18 4 28 +99.94 +/- 47.48 0 2 7 16 0 +219.87 +/- 140.03
174231 ncm-dbt-02 1455889 50 16 11 23 +34.84 +/- 47.97 0 3 15 6 1 +56.07 +/- 87.47
174230 ncm-dbt-05 1457516 50 12 9 29 +20.87 +/- 48.93 0 5 12 8 0 +41.89 +/- 101.14

Commit

Commit ID e4b7403f127a36a35bbace9f833ab43babd98a6c
Author Michael Chaly
Date 2021-12-03 07:54:46 UTC
Do more aggressive pruning for some node types This patch allows more aggressive futility/see based pruning for PV nodes with low delta and non-pv nodes. Fixes some white space issues. Passed STC https://tests.stockfishchess.org/tests/view/61a5ed33d16c530b5dcc27cc LLR: 2.95 (-2.94,2.94) <0.00,2.50> Total: 182088 W: 47121 L: 46584 D: 88383 Ptnml(0-2): 551, 20687, 48037, 21212, 557 Passed LTC https://tests.stockfishchess.org/tests/view/61a74dfdbd5c4360bcded0ac LLR: 2.94 (-2.94,2.94) <0.50,3.00> Total: 87136 W: 22494 L: 22103 D: 42539 Ptnml(0-2): 38, 8918, 25272, 9295, 45 closes https://github.com/official-stockfish/Stockfish/pull/3828 closes https://github.com/official-stockfish/Stockfish/pull/3829 bench 4332259
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