Dev Builds » 20211218-1619

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 09:23:20 1192464 3164 1144 495 1525 +72.29 +/- 6.05 0 141 681 730 30 +143.6 +/- 13.05
ncm-dbt-02 09:21:53 1211459 3162 1101 493 1568 +67.65 +/- 5.94 1 146 695 722 17 +136.75 +/- 12.92
ncm-dbt-03 11:07:21 1360442 3684 1255 573 1856 +65.07 +/- 5.47 2 166 843 810 21 +130.92 +/- 11.72
ncm-dbt-04 09:25:39 1222430 3170 1100 483 1587 +68.5 +/- 5.98 4 136 706 717 22 +138.15 +/- 12.81
ncm-dbt-05 10:59:45 1350622 3634 1258 563 1813 +67.28 +/- 5.66 1 176 797 813 30 +133.56 +/- 12.07
ncm-dbt-06 09:25:43 1233580 3186 1091 505 1590 +64.64 +/- 6.07 1 158 718 686 30 +126.83 +/- 12.71
20000 6949 3112 9939 +67.49 +/- 2.39 9 923 4440 4478 150 +134.79 +/- 5.11

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
199204 ncm-dbt-05 1232640 148 47 19 82 +66.53 +/- 25.93 0 6 34 34 0 +138.34 +/- 59.04
199203 ncm-dbt-02 1199498 162 58 22 82 +78.51 +/- 25.84 0 6 34 40 1 +160.68 +/- 59.25
199202 ncm-dbt-01 1181959 164 50 25 89 +53.38 +/- 24.61 0 8 41 33 0 +109.4 +/- 53.43
199201 ncm-dbt-03 1224262 170 58 22 90 +74.7 +/- 24.05 0 6 37 42 0 +157.04 +/- 56.63
199200 ncm-dbt-04 1234446 170 67 26 77 +85.47 +/- 22.23 0 2 41 41 1 +177.48 +/- 52.28
199199 ncm-dbt-06 1232195 186 66 36 84 +56.53 +/- 25.63 0 13 37 43 0 +116.23 +/- 56.26
199198 ncm-dbt-02 1203415 500 177 93 230 +58.93 +/- 14.42 0 25 116 109 0 +121.46 +/- 31.7
199197 ncm-dbt-05 1220996 500 160 87 253 +51.09 +/- 15.36 0 34 110 105 1 +102.97 +/- 32.56
199196 ncm-dbt-01 1188004 500 194 75 231 +84.3 +/- 15.59 0 20 98 125 7 +167.53 +/- 34.57
199195 ncm-dbt-03 1246145 500 169 91 240 +54.65 +/- 15.78 1 29 116 99 5 +106.01 +/- 31.72
199194 ncm-dbt-04 1223928 500 163 79 258 +58.93 +/- 15.85 2 28 106 112 2 +121.46 +/- 33.17
199193 ncm-dbt-06 1221788 500 171 71 258 +70.43 +/- 14.48 0 18 118 110 4 +140.62 +/- 31.28
199192 ncm-dbt-02 1189677 500 169 69 262 +70.43 +/- 14.34 0 20 111 118 1 +145.54 +/- 32.41
199191 ncm-dbt-01 1187141 500 167 78 255 +62.51 +/- 15.5 0 28 109 109 4 +123.02 +/- 32.74
199190 ncm-dbt-03 1239197 500 172 91 237 +56.78 +/- 14.6 1 23 121 104 1 +116.78 +/- 30.96
199189 ncm-dbt-05 1248057 500 169 65 266 +73.34 +/- 14.99 1 19 108 119 3 +150.51 +/- 32.89
199188 ncm-dbt-04 1232520 500 174 79 247 +66.82 +/- 14.89 1 20 115 111 3 +135.76 +/- 31.8
199187 ncm-dbt-06 1245527 500 171 80 249 +63.94 +/- 14.91 0 23 117 106 4 +126.18 +/- 31.53
199186 ncm-dbt-02 1230948 500 168 75 257 +65.38 +/- 14.97 1 22 112 113 2 +134.15 +/- 32.28
199185 ncm-dbt-01 1205057 500 189 87 224 +71.88 +/- 14.53 0 19 113 115 3 +145.54 +/- 32.08
199184 ncm-dbt-04 1235700 500 175 79 246 +67.54 +/- 14.78 0 22 113 112 3 +135.76 +/- 32.12
199183 ncm-dbt-05 1242654 500 172 66 262 +74.79 +/- 15.44 0 22 106 116 6 +147.19 +/- 33.22
199182 ncm-dbt-03 1227131 500 168 80 252 +61.79 +/- 14.68 0 23 119 105 3 +123.02 +/- 31.23
199181 ncm-dbt-06 1237069 500 176 71 253 +74.06 +/- 16.31 0 26 102 113 9 +140.62 +/- 33.84
199180 ncm-dbt-02 1238650 500 185 73 242 +79.17 +/- 14.9 0 19 104 123 4 +160.64 +/- 33.54
199179 ncm-dbt-01 1196374 500 164 72 264 +64.66 +/- 15.2 0 27 106 115 2 +130.94 +/- 33.2
199178 ncm-dbt-05 1244445 500 176 88 236 +61.79 +/- 15.21 0 27 111 109 3 +123.02 +/- 32.44
199177 ncm-dbt-04 1210227 500 172 70 258 +71.88 +/- 15.6 0 26 100 120 4 +143.89 +/- 34.16
199176 ncm-dbt-06 1227625 500 152 86 262 +46.13 +/- 15.36 0 33 122 91 4 +88.0 +/- 30.9
199175 ncm-dbt-03 1257778 500 158 73 269 +59.64 +/- 13.9 0 19 129 100 2 +119.89 +/- 29.69
199174 ncm-dbt-02 1203163 500 169 87 244 +57.5 +/- 15.67 0 30 113 102 5 +110.6 +/- 32.15
199173 ncm-dbt-05 1238880 500 190 69 241 +85.78 +/- 14.94 0 18 97 131 4 +176.33 +/- 34.76
199172 ncm-dbt-01 1176733 500 189 83 228 +74.79 +/- 15.44 0 22 106 116 6 +147.19 +/- 33.22
199171 ncm-dbt-03 1243210 500 174 69 257 +74.06 +/- 14.32 0 18 111 119 2 +152.18 +/- 32.38
199170 ncm-dbt-04 1200655 500 165 75 260 +63.23 +/- 15.14 1 21 120 103 5 +124.6 +/- 31.07
199169 ncm-dbt-06 1218742 500 181 73 246 +76.25 +/- 15.22 0 21 105 119 5 +152.18 +/- 33.38
199168 ncm-dbt-01 1211985 500 191 75 234 +82.1 +/- 15.26 0 17 108 117 8 +160.64 +/- 32.85
199167 ncm-dbt-05 1226252 500 176 88 236 +61.79 +/- 15.08 0 24 119 102 5 +119.89 +/- 31.25
199166 ncm-dbt-03 1224143 500 174 68 258 +74.79 +/- 14.9 0 21 105 121 3 +152.18 +/- 33.38
199165 ncm-dbt-02 1214868 500 175 74 251 +71.16 +/- 15.32 0 24 105 117 4 +142.26 +/- 33.37
199164 ncm-dbt-04 1219534 500 184 75 241 +76.97 +/- 14.56 0 17 111 118 4 +155.54 +/- 32.36
199163 ncm-dbt-06 1252117 500 174 88 238 +60.36 +/- 15.28 1 24 117 104 4 +119.89 +/- 31.55
176400 ncm-dbt-03 1438480 14 4 2 8 +49.92 +/- 143.49 0 2 2 2 1 +49.98 +/- 262.59
176399 ncm-dbt-05 1428449 36 12 5 19 +68.42 +/- 49.66 0 1 9 8 0 +142.62 +/- 118.0
176398 ncm-dbt-03 1437468 50 20 7 23 +92.44 +/- 47.1 0 1 11 12 1 +181.7 +/- 107.11
176397 ncm-dbt-05 1434449 50 17 3 30 +99.93 +/- 52.02 0 1 11 11 2 +181.7 +/- 107.11
176396 ncm-dbt-03 1435040 50 18 8 24 +70.43 +/- 45.16 0 2 11 12 0 +147.19 +/- 107.43
176395 ncm-dbt-05 1430729 50 17 9 24 +56.07 +/- 51.66 0 4 9 12 0 +115.23 +/- 116.78
176394 ncm-dbt-03 1439056 50 18 13 19 +34.86 +/- 43.75 0 3 14 8 0 +70.44 +/- 92.08
176393 ncm-dbt-05 1428566 50 15 7 28 +56.07 +/- 43.2 0 2 13 10 0 +115.23 +/- 96.38
176392 ncm-dbt-03 1435174 50 18 5 27 +92.45 +/- 47.1 0 2 8 15 0 +200.24 +/- 129.69
176385 ncm-dbt-05 1431282 50 21 9 20 +85.02 +/- 55.08 0 3 8 13 1 +164.07 +/- 126.09
176384 ncm-dbt-03 1437754 50 14 8 28 +41.89 +/- 53.17 0 5 9 11 0 +85.04 +/- 115.03
176383 ncm-dbt-05 1427000 50 17 10 23 +48.95 +/- 54.34 0 4 11 9 1 +85.04 +/- 106.19
176382 ncm-dbt-03 1441226 50 20 8 22 +85.02 +/- 55.08 0 2 11 10 2 +147.19 +/- 107.43
176381 ncm-dbt-05 1436022 50 14 10 26 +27.85 +/- 42.16 0 3 15 7 0 +56.07 +/- 87.47
176380 ncm-dbt-03 1436166 50 14 10 26 +27.84 +/- 60.94 0 7 8 9 1 +41.89 +/- 117.18
176379 ncm-dbt-05 1435750 50 14 7 29 +48.96 +/- 50.55 0 4 10 11 0 +99.95 +/- 111.26
176378 ncm-dbt-03 1441082 50 20 7 23 +92.45 +/- 42.2 0 1 10 14 0 +200.24 +/- 114.26
176377 ncm-dbt-05 1418960 50 19 10 21 +63.21 +/- 48.62 0 2 13 9 1 +115.23 +/- 96.38
176376 ncm-dbt-03 1438907 50 18 5 27 +92.45 +/- 42.2 0 1 10 14 0 +200.24 +/- 114.26
176375 ncm-dbt-05 1435453 50 22 11 17 +77.69 +/- 58.16 0 2 13 7 3 +115.23 +/- 96.38
176374 ncm-dbt-03 1445742 50 18 6 26 +85.04 +/- 41.74 0 1 11 13 0 +181.7 +/- 107.11

Commit

Commit ID 0a318cdddf8b6bdd05c2e0ee9b3b61a031d398ed
Author Michael Chaly
Date 2021-12-18 16:19:21 UTC
Adjust reductions based on current node delta and root delta This patch is a follow up of previous 2 patches that introduced more reductions for PV nodes with low delta and more pruning for nodes with low delta. Instead of writing separate heuristics now it adjust reductions based on delta / rootDelta - it allows to remove 3 separate adjustements of pruning/LMR in different places and also makes reduction dependence on delta and rootDelta smoother. Also now it works for all pruning heuristics and not just 2. Passed STC https://tests.stockfishchess.org/tests/view/61ba9b6c57a0d0f327c2d48b LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 79192 W: 20513 L: 20163 D: 38516 Ptnml(0-2): 238, 8900, 21024, 9142, 292 passed LTC https://tests.stockfishchess.org/tests/view/61baf77557a0d0f327c2eb8e LLR: 2.96 (-2.94,2.94) <0.50,3.00> Total: 158400 W: 41134 L: 40572 D: 76694 Ptnml(0-2): 101, 16372, 45745, 16828, 154 closes https://github.com/official-stockfish/Stockfish/pull/3862 bench 4651538
Copyright 2011–2024 Next Chess Move LLC