Dev Builds » 20220620-0625

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. 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 06:50:14 581868 4000 1108 964 1928 +12.51 ± 5.15 5 369 1109 511 6 +24.88 ± 10.16
ncm-dbt-02 06:50:39 586484 4000 1119 989 1892 +11.3 ± 5.14 2 382 1106 504 6 +21.92 ± 10.18
ncm-dbt-03 06:49:55 584356 4000 1097 978 1925 +10.34 ± 5.11 2 382 1116 495 5 +20.17 ± 10.12
ncm-dbt-04 06:51:17 569257 4000 1111 972 1917 +12.08 ± 5.17 4 381 1089 524 2 +24.53 ± 10.27
ncm-dbt-05 06:51:16 583395 4000 1114 950 1936 +14.25 ± 5.13 4 364 1098 532 2 +28.9 ± 10.22
20000 5549 4853 9598 +12.1 ± 2.3 17 1878 5518 2566 21 +24.08 ± 4.56

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
415810 ncm-dbt-04 572034 500 136 120 244 +11.12 ± 15.25 1 51 130 67 1 +22.27 ± 29.91
415809 ncm-dbt-05 579537 500 140 121 239 +13.21 ± 13.75 0 42 147 61 0 +26.46 ± 27.67
415808 ncm-dbt-03 585126 500 137 117 246 +13.9 ± 14.47 0 47 136 67 0 +27.85 ± 29.13
415807 ncm-dbt-01 583196 500 138 122 240 +11.12 ± 15.25 0 55 124 71 0 +22.27 ± 30.66
415806 ncm-dbt-02 586858 500 122 127 251 -3.47 ± 13.96 1 52 148 49 0 -5.56 ± 27.57
415805 ncm-dbt-01 582444 500 142 141 217 +0.7 ± 13.96 2 46 151 51 0 +4.17 ± 27.16
415804 ncm-dbt-05 582235 500 133 120 247 +9.04 ± 14.32 0 49 139 62 0 +18.08 ± 28.75
415803 ncm-dbt-04 566928 500 145 122 233 +15.99 ± 14.76 0 48 131 71 0 +32.05 ± 29.77
415802 ncm-dbt-02 587877 500 144 124 232 +13.9 ± 15.59 0 55 121 73 1 +26.46 ± 31.03
415801 ncm-dbt-03 584076 500 136 117 247 +13.21 ± 14.67 0 48 136 65 1 +25.06 ± 29.14
415800 ncm-dbt-01 579826 500 126 116 258 +6.95 ± 14.66 0 52 137 60 1 +12.51 ± 29.02
415799 ncm-dbt-05 583321 500 130 125 245 +3.48 ± 14.48 2 48 143 57 0 +9.73 ± 28.23
415798 ncm-dbt-04 567640 500 125 122 253 +2.09 ± 14.48 1 52 140 57 0 +5.56 ± 28.63
415797 ncm-dbt-02 586562 500 144 127 229 +11.82 ± 14.81 0 50 134 65 1 +22.27 ± 29.4
415796 ncm-dbt-03 585042 500 133 126 241 +4.86 ± 14.48 0 53 137 60 0 +9.73 ± 29.02
415795 ncm-dbt-01 582987 500 133 129 238 +2.78 ± 14.42 1 49 147 51 2 +4.17 ± 27.7
415794 ncm-dbt-05 581610 500 145 125 230 +13.9 ± 14.73 0 48 135 66 1 +26.46 ± 29.26
415793 ncm-dbt-02 584034 500 127 104 269 +15.99 ± 14.51 0 45 138 66 1 +30.65 ± 28.87
415792 ncm-dbt-04 568752 500 135 119 246 +11.12 ± 14.75 1 48 135 66 0 +23.66 ± 29.27
415791 ncm-dbt-03 583740 500 137 124 239 +9.04 ± 13.52 1 39 157 52 1 +18.08 ± 26.29
415790 ncm-dbt-01 582527 500 144 115 241 +20.17 ± 14.58 0 44 133 73 0 +40.48 ± 29.51
415789 ncm-dbt-02 586520 500 138 135 227 +2.09 ± 14.23 1 50 144 55 0 +5.56 ± 28.1
415788 ncm-dbt-05 586223 500 149 112 239 +25.76 ± 14.34 1 36 138 75 0 +53.22 ± 28.81
415787 ncm-dbt-03 585843 500 136 127 237 +6.25 ± 15.34 1 55 129 64 1 +12.51 ± 30.04
415786 ncm-dbt-04 566928 500 146 111 243 +24.36 ± 15.01 0 45 125 80 0 +48.96 ± 30.53
415785 ncm-dbt-01 581485 500 148 122 230 +18.08 ± 14.93 0 47 131 71 1 +34.86 ± 29.77
415784 ncm-dbt-02 587834 500 158 123 219 +24.36 ± 14.11 0 36 145 67 2 +46.13 ± 27.87
415783 ncm-dbt-05 582360 500 150 118 232 +22.27 ± 14.6 0 43 132 75 0 +44.72 ± 29.63
415782 ncm-dbt-03 586097 500 139 116 245 +15.99 ± 13.99 0 42 143 65 0 +32.05 ± 28.2
415781 ncm-dbt-04 568912 500 140 123 237 +11.82 ± 13.9 1 41 148 60 0 +25.06 ± 27.53
415780 ncm-dbt-01 579578 500 143 113 244 +20.87 ± 13.84 0 37 147 65 1 +40.48 ± 27.62
415779 ncm-dbt-05 583572 500 127 110 263 +11.82 ± 14.56 0 49 135 66 0 +23.66 ± 29.27
415778 ncm-dbt-02 586097 500 140 123 237 +11.82 ± 14.04 0 44 146 59 1 +22.27 ± 27.81
415777 ncm-dbt-03 582235 500 143 134 223 +6.25 ± 14.47 0 50 143 55 2 +9.73 ± 28.23
415776 ncm-dbt-04 570469 500 131 115 254 +11.12 ± 14.75 0 50 135 64 1 +20.87 ± 29.27
415775 ncm-dbt-01 582903 500 134 106 260 +19.48 ± 14.78 2 39 139 69 1 +40.48 ± 28.71
415774 ncm-dbt-03 582694 500 136 117 247 +13.21 ± 14.54 0 48 135 67 0 +26.46 ± 29.26
415773 ncm-dbt-02 586097 500 146 126 228 +13.9 ± 14.85 0 50 130 70 0 +27.85 ± 29.9
415772 ncm-dbt-05 588302 500 140 119 241 +14.6 ± 15.28 1 49 129 70 1 +29.25 ± 30.03
415771 ncm-dbt-04 572396 500 153 140 207 +9.04 ± 13.93 0 46 145 59 0 +18.08 ± 27.96

Commit

Commit ID 5304b561ab96ae1c025d98cf4a6d138daa11374d
Author Dubslow
Date 2022-06-20 06:25:50 UTC
LMR: remove `deeper` ...apparently it wasn't doing much anymore. inspired by rufish's recent attempts to improve this. passed STC: https://tests.stockfishchess.org/tests/view/62abca2cd89eb6cf1e072c04 LLR: 2.95 (-2.94,2.94) <-2.25,0.25> Total: 85576 W: 22766 L: 22683 D: 40127 Ptnml(0-2): 362, 9607, 22741, 9742, 336 passed LTC: https://tests.stockfishchess.org/tests/view/62ac90ffd89eb6cf1e07488f LLR: 2.93 (-2.94,2.94) <-2.25,0.25> Total: 48248 W: 13018 L: 12896 D: 22334 Ptnml(0-2): 32, 4773, 14400, 4879, 40 closes https://github.com/official-stockfish/Stockfish/pull/4088 bench 5578988
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