Dev Builds » 20200808-2007

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 06:31:59 583471 4000 63 2592 1345 -258.89 ± 6.82 621 1289 88 2 0 -651.27 ± 36.79
ncm-dbt-02 06:32:23 586091 4000 79 2563 1358 -252.46 ± 6.65 588 1308 104 0 0 -629.43 ± 33.76
ncm-dbt-03 06:32:40 586436 4000 69 2568 1363 -254.59 ± 6.64 593 1314 92 1 0 -647.44 ± 35.97
ncm-dbt-04 06:33:36 567285 4000 61 2574 1365 -256.59 ± 6.62 596 1324 77 3 0 -669.55 ± 39.37
ncm-dbt-05 06:31:55 583180 4000 57 2578 1365 -257.74 ± 6.67 605 1313 80 2 0 -667.43 ± 38.64
20000 329 12875 6796 -256.04 ± 2.99 3003 6548 441 8 0 -652.43 ± 16.26

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
449968 ncm-dbt-04 564213 500 7 312 181 -246.3 ± 17.51 65 176 8 1 0 -676.08 ± 142.43
449967 ncm-dbt-05 586139 500 3 319 178 -258.74 ± 18.54 75 166 9 0 0 -694.7 ± 134.18
449966 ncm-dbt-02 586562 500 5 319 176 -256.44 ± 19.07 76 162 12 0 0 -643.67 ± 110.29
449965 ncm-dbt-01 583531 500 8 319 173 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
449964 ncm-dbt-03 587155 500 11 305 184 -234.38 ± 17.23 59 177 13 1 0 -603.86 ± 103.96
449963 ncm-dbt-01 583950 500 14 323 163 -250.76 ± 19.14 74 161 15 0 0 -603.84 ± 95.91
449962 ncm-dbt-05 587070 500 4 330 166 -270.57 ± 18.83 81 164 5 0 0 -798.18 ± 231.48
449961 ncm-dbt-02 587240 500 11 320 169 -250.76 ± 18.62 72 165 13 0 0 -629.41 ± 104.8
449960 ncm-dbt-04 569071 500 7 330 163 -266.96 ± 19.84 83 157 10 0 0 -676.04 ± 124.55
449959 ncm-dbt-03 586393 500 5 330 165 -269.36 ± 19.85 84 157 9 0 0 -694.7 ± 134.18
449958 ncm-dbt-01 584201 500 6 326 168 -263.41 ± 19.95 81 159 9 1 0 -659.17 ± 131.36
449957 ncm-dbt-05 580572 500 8 322 170 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
449956 ncm-dbt-04 565430 500 4 319 177 -257.59 ± 16.95 69 177 4 0 0 -837.28 ± 240.94
449955 ncm-dbt-02 586266 500 16 322 162 -247.41 ± 19.45 74 158 18 0 0 -571.09 ± 86.01
449954 ncm-dbt-03 585885 500 6 319 175 -255.29 ± 17.83 71 171 8 0 0 -715.51 ± 146.53
449953 ncm-dbt-01 580779 500 8 327 165 -262.24 ± 19.53 80 159 11 0 0 -659.13 ± 116.77
449952 ncm-dbt-05 581028 500 9 320 171 -253.02 ± 18.9 73 166 10 1 0 -643.7 ± 122.54
449951 ncm-dbt-04 570188 500 6 314 180 -249.64 ± 17.94 69 170 11 0 0 -659.13 ± 116.77
449950 ncm-dbt-02 586054 500 8 311 181 -244.09 ± 17.75 66 171 13 0 0 -629.41 ± 104.8
449949 ncm-dbt-03 588345 500 8 329 163 -264.59 ± 19.27 80 161 9 0 0 -694.7 ± 134.18
449948 ncm-dbt-05 577479 500 6 326 168 -263.41 ± 18.55 77 166 7 0 0 -739.05 ± 163.27
449947 ncm-dbt-01 580365 500 6 332 162 -270.57 ± 21.37 89 149 11 1 0 -629.43 ± 115.29
449946 ncm-dbt-04 567918 500 9 331 160 -265.78 ± 19.97 82 159 8 1 0 -676.08 ± 142.43
449945 ncm-dbt-02 587537 500 11 318 171 -248.52 ± 18.33 70 167 13 0 0 -629.41 ± 104.8
449944 ncm-dbt-03 585253 500 11 322 167 -253.02 ± 19.68 77 157 16 0 0 -592.27 ± 92.24
449943 ncm-dbt-05 582945 500 13 324 163 -253.02 ± 19.93 77 158 14 1 0 -592.29 ± 99.42
449942 ncm-dbt-01 586562 500 10 321 169 -253.02 ± 19.17 75 161 14 0 0 -616.18 ± 100.06
449941 ncm-dbt-02 584327 500 8 328 164 -263.41 ± 19.68 81 158 11 0 0 -659.13 ± 116.77
449940 ncm-dbt-04 566572 500 8 322 170 -256.44 ± 18.8 75 164 11 0 0 -659.13 ± 116.77
449939 ncm-dbt-03 586689 500 9 321 170 -254.15 ± 18.78 74 164 12 0 0 -643.67 ± 110.29
449938 ncm-dbt-05 585211 500 10 313 177 -244.09 ± 18.27 68 167 15 0 0 -603.84 ± 95.91
449937 ncm-dbt-01 581527 500 3 318 179 -257.59 ± 17.54 71 173 6 0 0 -766.17 ± 188.02
449936 ncm-dbt-02 588132 500 11 320 169 -250.76 ± 18.35 71 167 12 0 0 -643.67 ± 110.29
449935 ncm-dbt-04 568792 500 11 325 164 -256.44 ± 19.6 78 158 14 0 0 -616.18 ± 100.06
449934 ncm-dbt-03 585970 500 11 324 165 -255.29 ± 19.46 77 159 14 0 0 -616.18 ± 100.06
449933 ncm-dbt-05 585000 500 4 324 172 -263.41 ± 19.12 79 162 9 0 0 -694.7 ± 134.18
449932 ncm-dbt-01 586858 500 8 326 166 -261.07 ± 19.11 78 162 10 0 0 -676.04 ± 124.55
449931 ncm-dbt-04 566099 500 9 321 170 -254.16 ± 19.31 75 163 11 1 0 -629.43 ± 115.29
449930 ncm-dbt-02 582611 500 9 325 166 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
449929 ncm-dbt-03 585801 500 8 318 174 -251.89 ± 18.23 71 168 11 0 0 -659.13 ± 116.77

Commit

Commit ID 3368d0328591b2741ca32e57cfa0a35a7144fdd1
Author Moez Jellouli
Date 2020-08-08 20:07:51 UTC
update Null Move Pruning parameters STC: https://tests.stockfishchess.org/tests/view/5f2dc38561e3b6af64881fec LLR: 2.99 (-2.94,2.94) {-0.50,1.50} Total: 6120 W: 903 L: 758 D: 4459 Ptnml(0-2): 44, 535, 1775, 644, 62 LTC: https://tests.stockfishchess.org/tests/view/5f2dd55f61e3b6af64882003 LLR: 2.95 (-2.94,2.94) {0.25,1.75} Total: 7424 W: 577 L: 463 D: 6384 Ptnml(0-2): 16, 375, 2824, 473, 24 closes https://github.com/official-stockfish/Stockfish/pull/2942 bench 4107833
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