Dev Builds » 20211024-2017

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 09:29:43 1206927 3162 996 562 1604 +47.99 +/- 5.93 1 189 782 593 16 +94.33 +/- 12.16
ncm-dbt-02 09:24:33 1231301 3162 965 592 1605 +41.18 +/- 6.15 1 234 754 575 17 +79.83 +/- 12.41
ncm-dbt-03 10:37:39 1347536 3504 1083 612 1809 +46.99 +/- 5.73 3 226 832 679 12 +93.84 +/- 11.81
ncm-dbt-04 10:37:46 1337737 3518 1125 625 1768 +49.72 +/- 5.81 2 221 838 671 27 +96.21 +/- 11.76
ncm-dbt-05 10:32:09 1346945 3482 1090 589 1803 +50.34 +/- 5.81 2 221 810 690 18 +99.41 +/- 11.97
ncm-dbt-06 09:29:03 1219242 3172 995 546 1631 +49.51 +/- 5.85 0 184 781 609 12 +98.27 +/- 12.16
20000 6254 3526 10220 +47.69 +/- 2.4 9 1275 4797 3817 102 +93.76 +/- 4.91

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
192785 ncm-dbt-05 1237906 150 51 28 71 +53.69 +/- 25.49 0 6 41 27 1 +105.0 +/- 52.64
192784 ncm-dbt-02 1227861 162 45 27 90 +38.76 +/- 26.98 0 13 37 31 0 +78.52 +/- 56.5
192783 ncm-dbt-01 1226563 162 50 38 74 +25.78 +/- 24.77 0 12 45 24 0 +51.85 +/- 50.66
192782 ncm-dbt-03 1249533 164 55 26 83 +62.09 +/- 24.57 0 7 39 36 0 +128.42 +/- 54.94
192781 ncm-dbt-06 1205172 172 60 25 87 +71.7 +/- 25.77 0 9 33 44 0 +150.09 +/- 59.96
192780 ncm-dbt-04 1216583 190 59 38 93 +38.56 +/- 24.21 0 14 46 35 0 +78.09 +/- 50.6
192779 ncm-dbt-05 1249142 500 159 84 257 +52.51 +/- 15.05 1 28 117 103 1 +107.54 +/- 31.57
192778 ncm-dbt-02 1253085 500 165 95 240 +48.96 +/- 16.24 0 38 109 98 5 +92.46 +/- 32.66
192777 ncm-dbt-03 1229429 500 146 75 279 +49.67 +/- 15.16 0 31 120 96 3 +96.94 +/- 31.16
192776 ncm-dbt-01 1194097 500 159 81 260 +54.64 +/- 14.22 0 23 128 97 2 +109.07 +/- 29.94
192775 ncm-dbt-06 1212149 500 148 88 264 +41.89 +/- 14.48 0 30 132 86 2 +82.1 +/- 29.52
192774 ncm-dbt-04 1224397 500 152 91 257 +42.6 +/- 15.29 0 36 119 93 2 +83.57 +/- 31.31
192773 ncm-dbt-05 1242070 500 168 84 248 +58.93 +/- 16.34 1 30 110 102 7 +112.14 +/- 32.58
192772 ncm-dbt-03 1232702 500 155 96 249 +41.19 +/- 15.33 0 38 116 95 1 +82.1 +/- 31.71
192771 ncm-dbt-06 1205867 500 165 93 242 +50.38 +/- 15.45 0 34 112 102 2 +99.95 +/- 32.27
192770 ncm-dbt-02 1230197 500 151 100 249 +35.56 +/- 15.25 0 40 120 89 1 +70.44 +/- 31.17
192769 ncm-dbt-01 1201896 500 140 93 267 +32.75 +/- 15.2 0 38 131 77 4 +60.36 +/- 29.73
192768 ncm-dbt-04 1217733 500 163 97 240 +46.13 +/- 16.79 1 38 113 90 8 +83.57 +/- 32.11
192767 ncm-dbt-05 1249903 500 140 83 277 +39.78 +/- 15.0 0 37 119 94 0 +80.63 +/- 31.31
192766 ncm-dbt-03 1226849 500 159 85 256 +51.8 +/- 14.88 1 26 123 98 2 +104.49 +/- 30.71
192765 ncm-dbt-06 1211004 500 149 87 264 +43.3 +/- 14.29 0 28 134 86 2 +85.04 +/- 29.21
192764 ncm-dbt-01 1182861 500 151 89 260 +43.3 +/- 15.08 0 34 122 92 2 +85.04 +/- 30.9
192763 ncm-dbt-02 1234398 500 149 87 264 +43.3 +/- 14.69 0 31 128 89 2 +85.04 +/- 30.07
192762 ncm-dbt-04 1247135 500 158 97 245 +42.6 +/- 15.54 0 37 118 92 3 +82.1 +/- 31.44
192761 ncm-dbt-05 1228753 500 159 84 257 +52.51 +/- 15.56 0 34 109 105 2 +104.49 +/- 32.7
192760 ncm-dbt-03 1239339 500 145 91 264 +37.67 +/- 15.38 1 36 123 88 2 +74.79 +/- 30.78
192759 ncm-dbt-06 1227820 500 151 73 276 +54.64 +/- 14.63 0 26 122 100 2 +109.07 +/- 30.84
192758 ncm-dbt-02 1224710 500 157 89 254 +47.54 +/- 16.16 0 38 111 96 5 +89.48 +/- 32.38
192757 ncm-dbt-01 1214108 500 166 87 247 +55.36 +/- 15.44 0 30 115 101 4 +107.54 +/- 31.86
192756 ncm-dbt-04 1241513 500 167 87 246 +56.07 +/- 15.22 1 26 118 102 3 +112.14 +/- 31.42
192755 ncm-dbt-05 1230858 500 173 76 251 +68.27 +/- 15.21 0 24 109 113 4 +135.76 +/- 32.75
192754 ncm-dbt-03 1230045 500 149 90 261 +41.19 +/- 14.7 0 34 123 93 0 +83.57 +/- 30.77
192753 ncm-dbt-06 1251432 500 164 83 253 +56.78 +/- 14.46 0 24 123 101 2 +113.68 +/- 30.67
192752 ncm-dbt-01 1193434 500 177 85 238 +64.66 +/- 13.97 0 18 124 106 2 +130.94 +/- 30.38
192751 ncm-dbt-02 1226370 500 146 90 264 +39.08 +/- 14.31 0 30 136 82 2 +76.25 +/- 28.98
192750 ncm-dbt-04 1245972 500 155 80 265 +52.51 +/- 14.39 0 25 127 96 2 +104.49 +/- 30.12
192749 ncm-dbt-05 1236149 500 142 90 268 +36.26 +/- 15.29 0 38 125 84 3 +68.99 +/- 30.52
192748 ncm-dbt-02 1222492 500 152 104 244 +33.46 +/- 16.09 1 44 113 90 2 +66.1 +/- 32.07
192747 ncm-dbt-03 1241132 500 155 81 264 +51.8 +/- 15.27 0 31 117 99 3 +101.46 +/- 31.58
192746 ncm-dbt-01 1235532 500 153 89 258 +44.72 +/- 15.53 1 34 117 96 2 +89.48 +/- 31.58
192745 ncm-dbt-06 1221256 500 158 97 245 +42.6 +/- 14.91 0 33 125 90 2 +83.57 +/- 30.49
192744 ncm-dbt-04 1217850 500 157 83 260 +51.8 +/- 14.49 0 26 126 96 2 +102.97 +/- 30.28
174996 ncm-dbt-04 1443405 28 13 5 10 +102.05 +/- 62.57 0 0 7 6 1 +190.8 +/- 131.69
174995 ncm-dbt-05 1451491 32 9 8 15 +10.86 +/- 47.66 0 2 11 3 0 +21.74 +/- 97.45
174994 ncm-dbt-03 1457676 40 16 10 14 +52.49 +/- 61.52 0 3 9 7 1 +88.74 +/- 118.66
174993 ncm-dbt-04 1445448 50 21 9 20 +85.02 +/- 58.9 0 3 9 11 2 +147.19 +/- 118.91
174992 ncm-dbt-05 1459450 50 16 7 27 +63.22 +/- 39.41 0 1 14 10 0 +130.94 +/- 89.9
174991 ncm-dbt-03 1460193 50 16 6 28 +70.43 +/- 49.53 0 3 9 13 0 +147.19 +/- 118.91
174990 ncm-dbt-04 1449109 50 15 8 27 +48.96 +/- 46.46 0 3 12 10 0 +99.95 +/- 101.68
174989 ncm-dbt-05 1450602 50 7 10 33 -20.87 +/- 40.37 0 6 16 3 0 -41.89 +/- 82.84
174988 ncm-dbt-03 1461395 50 16 11 23 +34.86 +/- 47.98 0 4 12 9 0 +70.44 +/- 101.42
174983 ncm-dbt-04 1442541 50 18 8 24 +70.42 +/- 45.16 0 1 14 9 1 +130.94 +/- 89.9
174982 ncm-dbt-05 1456035 50 15 10 25 +34.86 +/- 51.88 0 5 10 10 0 +70.44 +/- 110.15
174980 ncm-dbt-03 1456193 50 20 10 20 +70.43 +/- 45.16 0 2 11 12 0 +147.19 +/- 107.43
174978 ncm-dbt-05 1454715 50 19 6 25 +92.45 +/- 42.2 0 1 10 14 0 +200.24 +/- 114.26
174977 ncm-dbt-04 1444718 50 15 5 30 +70.42 +/- 57.33 0 2 14 6 3 +99.95 +/- 91.41
174976 ncm-dbt-03 1461535 50 17 10 23 +48.97 +/- 50.54 1 1 13 10 0 +115.23 +/- 96.38
174975 ncm-dbt-05 1457374 50 17 8 25 +63.22 +/- 52.66 0 4 8 13 0 +130.94 +/- 122.89
174974 ncm-dbt-04 1447787 50 12 12 26 0.0 +/- 51.34 0 7 11 7 0 -0.0 +/- 105.0
174973 ncm-dbt-03 1460343 50 19 8 23 +77.7 +/- 45.94 0 2 10 13 0 +164.07 +/- 113.84
174972 ncm-dbt-05 1452784 50 15 11 24 +27.85 +/- 50.47 0 5 11 9 0 +56.07 +/- 105.56
174971 ncm-dbt-04 1444133 50 20 5 25 +107.53 +/- 52.36 0 3 4 18 0 +240.82 +/- 173.47
174970 ncm-dbt-03 1459153 50 15 13 22 +13.9 +/- 58.16 0 8 7 10 0 +27.85 +/- 120.49

Commit

Commit ID 2c86ae196df8b2a1197e0de1853a6458e404a976
Author Joost VandeVondele
Date 2021-10-24 20:17:55 UTC
Adjust ButterflyHistory decay parameter passed STC: LLR: 2.98 (-2.94,2.94) <-0.50,2.50> Total: 26680 W: 6807 L: 6593 D: 13280 Ptnml(0-2): 73, 3007, 6989, 3175, 96 https://tests.stockfishchess.org/tests/view/6174094e6ce927be32558441 passed LTC: LLR: 2.98 (-2.94,2.94) <0.50,3.50> Total: 21104 W: 5403 L: 5185 D: 10516 Ptnml(0-2): 8, 2160, 6001, 2372, 11 https://tests.stockfishchess.org/tests/view/61744927351812fe5f969864 closes https://github.com/official-stockfish/Stockfish/pull/3761 Bench: 6334068
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