Dev Builds » 20200820-1912

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 06:32:16 584303 4000 96 2611 1293 -256.87 ± 6.97 629 1258 112 1 0 -613.04 ± 32.51
ncm-dbt-02 06:32:41 586169 4000 65 2607 1328 -260.78 ± 6.85 632 1278 90 0 0 -655.17 ± 36.37
ncm-dbt-03 06:32:38 586115 4000 78 2584 1338 -255.58 ± 6.88 616 1276 106 2 0 -619.42 ± 33.44
ncm-dbt-04 06:33:43 568065 4000 59 2606 1335 -261.51 ± 6.87 635 1278 86 1 0 -659.17 ± 37.24
ncm-dbt-05 06:33:09 581841 4000 57 2591 1352 -259.62 ± 6.8 621 1295 81 3 0 -661.2 ± 38.36
20000 355 12999 6646 -258.86 ± 3.07 3133 6385 475 7 0 -640.39 ± 15.66

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
461008 ncm-dbt-05 582277 500 9 336 155 -271.78 ± 21.52 90 148 11 1 0 -629.43 ± 115.29
461007 ncm-dbt-04 567324 500 8 321 171 -255.29 ± 18.39 73 167 10 0 0 -676.04 ± 124.55
461006 ncm-dbt-02 583112 500 6 336 158 -275.44 ± 20.3 88 154 8 0 0 -715.51 ± 146.53
461005 ncm-dbt-01 584916 500 11 327 162 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
461004 ncm-dbt-03 586054 500 5 323 172 -261.07 ± 18.26 74 171 4 1 0 -766.23 ± 273.11
461003 ncm-dbt-05 580406 500 8 318 174 -251.89 ± 18.76 72 167 10 1 0 -643.7 ± 122.54
461002 ncm-dbt-04 565351 500 9 325 166 -258.75 ± 20.15 80 157 12 1 0 -616.2 ± 109.19
461001 ncm-dbt-02 588089 500 7 317 176 -251.89 ± 17.68 69 172 9 0 0 -694.7 ± 134.18
461000 ncm-dbt-03 585801 500 4 338 158 -280.42 ± 20.0 89 156 5 0 0 -798.18 ± 231.48
460999 ncm-dbt-01 582903 500 15 346 139 -276.68 ± 22.66 97 137 16 0 0 -592.27 ± 92.24
460998 ncm-dbt-04 568991 500 6 321 173 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
460997 ncm-dbt-05 584117 500 3 320 177 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
460996 ncm-dbt-01 584622 500 10 316 174 -247.41 ± 18.18 69 168 13 0 0 -629.41 ± 104.8
460995 ncm-dbt-02 587197 500 9 328 163 -262.24 ± 20.33 83 153 14 0 0 -616.18 ± 100.06
460994 ncm-dbt-03 587028 500 14 326 160 -254.15 ± 20.57 81 150 19 0 0 -561.34 ± 83.33
460993 ncm-dbt-04 569071 500 9 326 165 -259.9 ± 20.04 81 155 14 0 0 -616.18 ± 100.06
460992 ncm-dbt-05 582193 500 6 324 170 -261.07 ± 18.55 76 166 8 0 0 -715.51 ± 146.53
460991 ncm-dbt-01 585000 500 14 316 170 -243.0 ± 18.88 70 162 18 0 0 -571.09 ± 86.01
460990 ncm-dbt-02 587664 500 8 326 166 -261.07 ± 19.92 81 156 13 0 0 -629.41 ± 104.8
460989 ncm-dbt-03 585253 500 11 316 173 -246.3 ± 19.31 73 159 18 0 0 -571.09 ± 86.01
460988 ncm-dbt-05 581902 500 6 313 181 -248.52 ± 18.33 69 170 10 1 0 -643.7 ± 122.54
460987 ncm-dbt-01 582569 500 15 327 158 -254.15 ± 19.57 77 158 15 0 0 -603.84 ± 95.91
460986 ncm-dbt-04 567482 500 9 322 169 -255.29 ± 19.19 76 161 13 0 0 -629.41 ± 104.8
460985 ncm-dbt-02 585506 500 10 327 163 -259.9 ± 20.3 82 153 15 0 0 -603.84 ± 95.91
460984 ncm-dbt-03 588899 500 11 326 163 -257.59 ± 19.49 78 159 13 0 0 -629.41 ± 104.8
460983 ncm-dbt-05 581153 500 7 328 165 -264.59 ± 19.55 81 159 10 0 0 -676.04 ± 124.55
460982 ncm-dbt-01 584076 500 10 328 162 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
460981 ncm-dbt-02 586901 500 11 319 170 -249.64 ± 18.99 73 162 15 0 0 -603.84 ± 95.91
460980 ncm-dbt-04 568872 500 3 328 169 -269.36 ± 19.57 83 159 8 0 0 -715.51 ± 146.53
460979 ncm-dbt-03 586054 500 8 317 175 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
460978 ncm-dbt-05 580945 500 8 324 168 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
460977 ncm-dbt-01 585548 500 8 328 164 -263.41 ± 19.95 82 156 12 0 0 -643.67 ± 110.29
460976 ncm-dbt-02 586562 500 11 325 164 -256.44 ± 19.07 76 162 12 0 0 -643.67 ± 110.29
460975 ncm-dbt-04 566967 500 4 340 156 -282.94 ± 20.29 91 154 5 0 0 -798.18 ± 231.48
460974 ncm-dbt-03 584034 500 15 317 168 -243.0 ± 19.36 71 161 17 1 0 -561.36 ± 88.68
460973 ncm-dbt-05 581735 500 10 328 162 -261.07 ± 19.38 79 160 11 0 0 -659.13 ± 116.77
460972 ncm-dbt-01 584790 500 13 323 164 -251.89 ± 20.03 77 157 15 1 0 -581.4 ± 95.42
460971 ncm-dbt-02 584327 500 3 329 168 -270.57 ± 18.53 80 166 4 0 0 -837.28 ± 240.94
460970 ncm-dbt-03 585801 500 10 321 169 -253.02 ± 19.93 78 155 17 0 0 -581.38 ± 88.96
460969 ncm-dbt-04 570469 500 11 323 166 -254.15 ± 19.57 77 158 15 0 0 -603.84 ± 95.91

Commit

Commit ID 2deb08a52946379d4cebb1082e5d740d1d027122
Author SFisGOD
Date 2020-08-20 19:12:37 UTC
Reintroduce last captures extension STC: LLR: 2.93 (-2.94,2.94) {-0.50,1.50} Total: 34840 W: 3834 L: 3682 D: 27324 Ptnml(0-2): 153, 2767, 11455, 2865, 180 https://tests.stockfishchess.org/tests/view/5f3bb380b38d442594aabefc LTC: LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 15832 W: 890 L: 776 D: 14166 Ptnml(0-2): 17, 669, 6429, 785, 16 https://tests.stockfishchess.org/tests/view/5f3c46a0a95672ddd56c632a closes https://github.com/official-stockfish/Stockfish/pull/3028 see also https://github.com/official-stockfish/Stockfish/pull/3020 Bench: 4348811
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