Dev Builds » 20211023-1023

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 11:54:47 1231738 3990 1279 720 1991 +49.0 +/- 5.38 1 252 951 769 22 +96.07 +/- 11.04
ncm-dbt-02 11:49:56 1230306 3924 1196 667 2061 +47.12 +/- 5.43 0 252 955 729 26 +91.1 +/- 11.01
ncm-dbt-03 11:54:59 1268149 3994 1303 722 1969 +50.9 +/- 5.32 3 232 963 779 20 +100.87 +/- 10.96
ncm-dbt-04 00:30:54 1483962 170 51 36 83 +30.74 +/- 26.33 0 15 40 30 0 +61.96 +/- 54.29
ncm-dbt-05 11:49:47 1253769 3942 1215 730 1997 +42.96 +/- 5.32 1 261 974 722 13 +85.04 +/- 10.9
ncm-dbt-06 11:54:22 1259573 3980 1231 718 2031 +45.03 +/- 5.35 3 256 974 739 18 +88.83 +/- 10.9
20000 6275 3593 10132 +46.87 +/- 2.39 8 1268 4857 3768 99 +92.12 +/- 4.88

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
208723 ncm-dbt-02 1201343 260 86 41 133 +60.74 +/- 21.53 0 14 60 53 3 +116.42 +/- 44.25
208722 ncm-dbt-05 1201644 272 86 53 133 +42.36 +/- 21.74 0 23 58 54 1 +83.31 +/- 44.78
208721 ncm-dbt-06 1234364 316 107 54 155 +58.83 +/- 18.99 1 15 73 68 1 +121.24 +/- 40.05
208720 ncm-dbt-03 1224380 326 117 57 152 +64.68 +/- 18.61 0 14 79 66 4 +124.42 +/- 38.33
208719 ncm-dbt-01 1221852 326 113 53 160 +64.68 +/- 19.59 0 18 71 70 4 +124.42 +/- 40.65
208718 ncm-dbt-02 1202070 500 148 81 271 +46.84 +/- 14.49 0 29 126 94 1 +93.95 +/- 30.32
208717 ncm-dbt-05 1230477 500 164 94 242 +48.96 +/- 14.61 0 30 120 100 0 +99.95 +/- 31.16
208716 ncm-dbt-06 1235551 500 154 84 262 +48.96 +/- 15.25 0 31 122 93 4 +93.95 +/- 30.89
208715 ncm-dbt-03 1236109 500 145 92 263 +36.97 +/- 15.21 0 39 120 90 1 +73.34 +/- 31.18
208714 ncm-dbt-01 1192057 500 155 89 256 +46.13 +/- 14.45 0 28 130 90 2 +90.97 +/- 29.76
208713 ncm-dbt-02 1192681 500 156 103 241 +36.97 +/- 16.06 0 44 112 91 3 +70.44 +/- 32.2
208712 ncm-dbt-05 1220156 500 162 91 247 +49.67 +/- 14.77 0 30 120 99 1 +99.95 +/- 31.16
208711 ncm-dbt-06 1227829 500 157 94 249 +44.01 +/- 14.99 0 32 126 89 3 +85.04 +/- 30.35
208710 ncm-dbt-03 1245565 500 159 78 263 +56.78 +/- 15.12 0 29 113 106 2 +113.68 +/- 32.15
208709 ncm-dbt-01 1186512 500 160 71 269 +62.51 +/- 14.85 0 26 110 113 1 +127.76 +/- 32.59
208708 ncm-dbt-02 1194532 500 159 83 258 +53.22 +/- 15.84 0 33 113 99 5 +101.46 +/- 32.14
208707 ncm-dbt-05 1213868 500 148 88 264 +41.89 +/- 14.21 1 26 136 86 1 +85.04 +/- 28.92
208706 ncm-dbt-06 1222995 500 152 91 257 +42.6 +/- 15.41 1 33 123 90 3 +83.57 +/- 30.77
208705 ncm-dbt-03 1240759 500 166 101 233 +45.42 +/- 14.68 1 28 127 93 1 +92.46 +/- 30.18
208704 ncm-dbt-01 1212470 500 158 97 245 +42.6 +/- 15.16 0 35 121 92 2 +83.57 +/- 31.04
208703 ncm-dbt-02 1203249 500 146 85 269 +42.6 +/- 14.12 0 29 131 90 0 +86.52 +/- 29.64
208702 ncm-dbt-05 1227501 500 141 96 263 +31.35 +/- 15.48 0 44 118 87 1 +61.79 +/- 31.43
208701 ncm-dbt-06 1214530 500 155 104 241 +35.56 +/- 16.1 1 42 115 89 3 +68.99 +/- 31.82
208700 ncm-dbt-03 1244377 500 172 92 236 +56.07 +/- 14.56 1 21 128 97 3 +112.14 +/- 29.92
208699 ncm-dbt-01 1175122 500 170 93 237 +53.93 +/- 15.63 1 28 119 97 5 +104.49 +/- 31.29
208698 ncm-dbt-02 1189902 500 147 78 275 +48.25 +/- 15.47 0 33 119 94 4 +92.46 +/- 31.31
208697 ncm-dbt-06 1239788 500 149 87 264 +43.3 +/- 14.69 0 31 128 89 2 +85.04 +/- 30.07
208696 ncm-dbt-05 1234983 500 143 93 264 +34.86 +/- 15.21 0 40 121 88 1 +68.99 +/- 31.04
208695 ncm-dbt-01 1202497 500 168 103 229 +45.42 +/- 14.81 0 31 125 92 2 +89.48 +/- 30.48
208694 ncm-dbt-03 1247919 500 172 103 225 +48.25 +/- 15.59 0 33 120 92 5 +90.97 +/- 31.17
208693 ncm-dbt-02 1206666 500 156 78 266 +54.64 +/- 15.53 0 31 114 101 4 +106.01 +/- 32.0
208692 ncm-dbt-05 1230037 500 155 99 246 +39.08 +/- 15.46 0 37 124 85 4 +73.34 +/- 30.64
208691 ncm-dbt-06 1226426 500 150 92 258 +40.48 +/- 14.12 0 29 135 85 1 +80.63 +/- 29.1
208690 ncm-dbt-01 1172297 500 141 103 256 +26.45 +/- 15.4 0 45 124 79 2 +50.38 +/- 30.66
208689 ncm-dbt-03 1240749 500 158 87 255 +49.67 +/- 15.42 1 30 119 97 3 +98.44 +/- 31.3
208688 ncm-dbt-02 1192325 500 144 91 265 +36.97 +/- 14.44 0 29 144 72 5 +67.55 +/- 27.89
208687 ncm-dbt-05 1237745 500 157 78 265 +55.36 +/- 14.66 0 25 124 98 3 +109.07 +/- 30.54
208686 ncm-dbt-06 1237194 500 155 86 259 +48.25 +/- 14.83 0 31 120 98 1 +96.94 +/- 31.16
208685 ncm-dbt-03 1230036 500 168 81 251 +61.07 +/- 14.38 0 23 118 108 1 +124.6 +/- 31.38
208684 ncm-dbt-01 1225939 500 170 77 253 +65.38 +/- 15.36 0 27 106 114 3 +130.94 +/- 33.2
177835 ncm-dbt-06 1497485 164 52 26 86 +55.55 +/- 27.59 0 12 32 38 0 +114.09 +/- 60.45
177834 ncm-dbt-05 1487513 170 59 38 73 +43.13 +/- 22.24 0 6 53 25 1 +83.31 +/- 44.59
177833 ncm-dbt-01 1496903 164 44 34 86 +21.21 +/- 26.0 0 14 45 22 1 +38.29 +/- 50.81
177832 ncm-dbt-02 1489991 164 54 27 83 +57.72 +/- 27.09 0 10 36 35 1 +114.09 +/- 57.4
177831 ncm-dbt-04 1483962 170 51 36 83 +30.74 +/- 26.33 0 15 40 30 0 +61.96 +/- 54.29
177830 ncm-dbt-03 1503449 168 46 31 91 +31.1 +/- 26.64 0 15 39 30 0 +62.71 +/- 54.97

Commit

Commit ID 927a84d310fb41222518ea80d398933a0ba3e5b7
Author bmc4
Date 2021-10-23 10:23:29 UTC
Increase TTdepth acceptance some Threads Increase TTdepth acceptance only on half of the Threads STC: LLR: 2.96 (-2.94,2.94) <-0.50,2.50> Total: 19272 W: 4956 L: 4766 D: 9550 Ptnml(0-2): 25, 1989, 5423, 2169, 30 https://tests.stockfishchess.org/tests/view/6172be6238cb9784038af9a7 LTC: LLR: 2.93 (-2.94,2.94) <0.50,3.50> Total: 23688 W: 6111 L: 5897 D: 11680 Ptnml(0-2): 2, 2275, 7081, 2479, 7 https://tests.stockfishchess.org/tests/view/6172e32938cb9784038af9c7 closes https://github.com/official-stockfish/Stockfish/pull/3754 No functional change in the single-threaded case
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