Dev Builds » 20211206-0642

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 09:24:57 1107963 3172 1090 503 1579 +65.04 +/- 5.83 3 132 744 689 18 +131.21 +/- 12.45
ncm-dbt-02 09:23:08 1223264 3158 1075 531 1552 +60.45 +/- 6.02 2 157 740 655 25 +119.09 +/- 12.51
ncm-dbt-03 10:30:15 1344978 3508 1181 578 1749 +60.32 +/- 5.61 1 177 810 750 16 +121.16 +/- 11.96
ncm-dbt-04 10:31:02 1335974 3498 1176 553 1769 +62.55 +/- 5.47 2 150 833 751 13 +126.93 +/- 11.76
ncm-dbt-05 10:29:24 1341135 3494 1209 512 1773 +70.25 +/- 5.7 2 156 755 811 23 +141.83 +/- 12.4
ncm-dbt-06 09:24:57 1233550 3170 1080 503 1587 +63.95 +/- 6.01 0 154 728 675 28 +125.53 +/- 12.61
20000 6811 3180 10009 +63.78 +/- 2.35 10 926 4610 4331 123 +127.68 +/- 5.01

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
191436 ncm-dbt-02 1226609 158 50 24 84 +57.69 +/- 25.67 0 6 43 28 2 +108.99 +/- 51.36
191435 ncm-dbt-05 1227066 158 49 29 80 +44.21 +/- 27.39 0 11 38 29 1 +85.23 +/- 55.78
191434 ncm-dbt-03 1240578 170 61 23 86 +78.99 +/- 27.72 0 10 28 46 1 +162.05 +/- 64.35
191433 ncm-dbt-04 1219259 172 60 30 82 +61.22 +/- 25.07 0 8 41 36 1 +121.93 +/- 53.59
191432 ncm-dbt-01 1098028 172 59 30 83 +59.14 +/- 27.46 1 7 43 32 3 +112.89 +/- 52.11
191431 ncm-dbt-06 1235862 170 54 29 87 +51.46 +/- 25.83 0 9 44 30 2 +96.41 +/- 51.43
191430 ncm-dbt-02 1222577 500 175 80 245 +66.82 +/- 15.93 1 27 102 116 4 +134.15 +/- 33.81
191429 ncm-dbt-05 1210392 500 185 70 245 +81.36 +/- 14.96 0 18 104 123 5 +164.07 +/- 33.53
191428 ncm-dbt-03 1230705 500 171 78 251 +65.38 +/- 14.56 0 22 115 111 2 +132.54 +/- 31.82
191427 ncm-dbt-01 1106930 500 169 82 249 +61.07 +/- 13.68 0 17 131 100 2 +123.02 +/- 29.33
191426 ncm-dbt-06 1228347 500 166 86 248 +56.07 +/- 14.96 0 27 119 101 3 +110.6 +/- 31.28
191425 ncm-dbt-04 1239831 500 178 73 249 +74.06 +/- 13.89 0 15 117 116 2 +152.18 +/- 31.35
191424 ncm-dbt-05 1237481 500 165 67 268 +68.99 +/- 14.97 0 22 112 112 4 +137.37 +/- 32.27
191423 ncm-dbt-02 1218570 500 166 94 240 +50.38 +/- 14.81 0 28 125 94 3 +98.44 +/- 30.45
191422 ncm-dbt-01 1106358 500 166 74 260 +64.66 +/- 13.69 0 17 125 107 1 +132.54 +/- 30.2
191421 ncm-dbt-03 1250258 500 162 88 250 +51.8 +/- 14.35 0 26 125 98 1 +104.49 +/- 30.42
191420 ncm-dbt-06 1225454 500 178 89 233 +62.51 +/- 15.76 0 27 114 102 7 +118.33 +/- 32.0
191419 ncm-dbt-04 1247881 500 165 87 248 +54.65 +/- 14.49 1 22 127 98 2 +110.6 +/- 30.08
191418 ncm-dbt-03 1232170 500 172 84 244 +61.79 +/- 15.6 1 27 108 111 3 +124.6 +/- 32.89
191417 ncm-dbt-05 1230494 500 157 84 259 +51.09 +/- 15.49 2 28 117 101 2 +104.49 +/- 31.58
191416 ncm-dbt-02 1218577 500 179 82 239 +68.27 +/- 14.81 1 18 118 109 4 +137.37 +/- 31.31
191415 ncm-dbt-04 1221253 500 169 81 250 +61.79 +/- 13.85 0 19 125 105 1 +126.18 +/- 30.27
191414 ncm-dbt-06 1225264 500 176 83 241 +65.38 +/- 14.7 0 21 119 106 4 +129.35 +/- 31.2
191413 ncm-dbt-01 1115250 500 174 80 246 +66.1 +/- 14.31 0 19 121 107 3 +132.54 +/- 30.86
190652 ncm-dbt-05 1219587 500 190 66 244 +88.0 +/- 14.85 0 18 93 136 3 +183.51 +/- 35.5
190651 ncm-dbt-02 1223408 500 171 82 247 +62.51 +/- 16.01 0 29 110 104 7 +118.33 +/- 32.59
190650 ncm-dbt-01 1109382 500 183 83 234 +70.44 +/- 15.55 1 23 105 117 4 +142.26 +/- 33.37
190649 ncm-dbt-04 1221486 500 160 80 260 +56.07 +/- 15.09 1 26 117 104 2 +113.68 +/- 31.56
190648 ncm-dbt-06 1258008 500 176 74 250 +71.88 +/- 14.8 0 22 106 120 2 +147.19 +/- 33.22
190647 ncm-dbt-03 1216894 500 164 75 261 +62.51 +/- 14.44 0 21 122 104 3 +124.6 +/- 30.76
190646 ncm-dbt-01 1111718 500 170 82 248 +61.79 +/- 15.98 1 28 108 108 5 +121.46 +/- 32.88
190645 ncm-dbt-05 1239834 500 164 73 263 +63.94 +/- 16.07 0 33 96 118 3 +127.76 +/- 34.64
190644 ncm-dbt-02 1229788 500 167 86 247 +56.78 +/- 15.51 0 31 110 106 3 +112.14 +/- 32.58
190643 ncm-dbt-04 1229290 500 159 72 269 +61.07 +/- 13.53 0 17 130 102 1 +124.6 +/- 29.47
190642 ncm-dbt-06 1235489 500 168 69 263 +69.71 +/- 16.04 0 27 104 112 7 +134.15 +/- 33.51
190641 ncm-dbt-03 1237294 500 168 78 254 +63.23 +/- 14.47 0 22 118 108 2 +127.76 +/- 31.37
190640 ncm-dbt-01 1108081 500 169 72 259 +68.27 +/- 14.26 0 21 111 118 0 +142.26 +/- 32.42
190639 ncm-dbt-05 1219815 500 178 69 253 +76.97 +/- 14.27 0 16 112 119 3 +157.24 +/- 32.18
190638 ncm-dbt-02 1223321 500 167 83 250 +58.93 +/- 13.72 0 18 132 98 2 +118.33 +/- 29.22
190637 ncm-dbt-04 1218591 500 173 84 243 +62.51 +/- 14.98 0 27 108 114 1 +127.76 +/- 32.89
190636 ncm-dbt-03 1218176 500 172 79 249 +65.38 +/- 15.87 0 31 98 118 3 +130.94 +/- 34.38
190635 ncm-dbt-06 1226426 500 162 73 265 +62.51 +/- 14.44 0 21 122 104 3 +124.6 +/- 30.76
174839 ncm-dbt-04 1442971 26 8 2 16 +81.63 +/- 64.15 0 1 5 7 0 +173.46 +/- 173.59
174838 ncm-dbt-05 1457516 36 14 9 13 +48.56 +/- 46.0 0 1 11 6 0 +99.11 +/- 100.45
174837 ncm-dbt-03 1455611 38 8 7 23 +9.14 +/- 47.58 0 3 12 4 0 +18.3 +/- 97.21
174836 ncm-dbt-04 1443704 50 19 7 24 +85.02 +/- 46.58 0 1 12 11 1 +164.07 +/- 100.82
174834 ncm-dbt-05 1457664 50 18 7 25 +77.7 +/- 41.12 0 1 12 12 0 +164.07 +/- 100.82
174833 ncm-dbt-03 1457518 50 19 15 16 +27.85 +/- 37.35 0 2 17 6 0 +56.07 +/- 77.18
174827 ncm-dbt-04 1439811 50 19 11 20 +56.05 +/- 55.43 0 4 10 10 1 +99.95 +/- 111.26
174826 ncm-dbt-05 1456923 50 16 6 28 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
174825 ncm-dbt-03 1459447 50 18 10 22 +56.05 +/- 51.65 0 3 12 9 1 +99.95 +/- 101.68
174824 ncm-dbt-04 1442828 50 19 7 24 +85.04 +/- 46.59 0 2 9 14 0 +181.7 +/- 121.14
174823 ncm-dbt-05 1452637 50 18 8 24 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
174822 ncm-dbt-03 1450152 50 15 11 24 +27.85 +/- 42.16 0 3 15 7 0 +56.07 +/- 87.47
174821 ncm-dbt-04 1443009 50 17 7 26 +70.43 +/- 40.35 0 1 13 11 0 +147.19 +/- 95.14
174820 ncm-dbt-05 1456775 50 15 7 28 +56.05 +/- 51.65 0 3 12 9 1 +99.95 +/- 101.68
174819 ncm-dbt-03 1457674 50 20 9 21 +77.7 +/- 41.12 0 1 12 12 0 +164.07 +/- 100.82
174818 ncm-dbt-04 1450133 50 15 8 27 +48.96 +/- 46.46 0 3 12 10 0 +99.95 +/- 101.68
174817 ncm-dbt-05 1456478 50 21 7 22 +99.93 +/- 52.02 0 2 8 14 1 +200.24 +/- 129.69
174816 ncm-dbt-03 1459897 50 17 9 24 +56.07 +/- 43.2 0 2 13 10 0 +115.23 +/- 96.38
174815 ncm-dbt-04 1443595 50 15 4 31 +77.69 +/- 58.16 0 4 7 13 1 +147.19 +/- 129.82
174814 ncm-dbt-05 1453239 50 19 10 21 +63.22 +/- 39.41 0 1 14 10 0 +130.94 +/- 89.9
174813 ncm-dbt-03 1463327 50 14 12 24 +13.9 +/- 43.02 0 4 15 6 0 +27.85 +/- 87.86

Commit

Commit ID a3d425cf55494a4f86dc52a3d3b24c1657cbbc61
Author Michael Chaly
Date 2021-12-06 06:42:04 UTC
Assign extra bonus for previous move that caused a fail low more often This patch allows to assign extra bonus for previous move that caused a fail low not only for PvNodes and cutNodes but also fo some allNodes - namely if the best result we could've got from the search is still far below alpha. passed STC https://tests.stockfishchess.org/tests/view/61aa26a49e8855bba1a36d96 LLR: 2.94 (-2.94,2.94) <0.00,2.50> Total: 73808 W: 19183 L: 18842 D: 35783 Ptnml(0-2): 251, 8257, 19564, 8564, 268 passed LTC https://tests.stockfishchess.org/tests/view/61aa7dc29e8855bba1a3814f LLR: 2.94 (-2.94,2.94) <0.50,3.00> Total: 142416 W: 36717 L: 36192 D: 69507 Ptnml(0-2): 106, 14799, 40862, 15346, 95 closes https://github.com/official-stockfish/Stockfish/pull/3835 bench 4724181
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