Dev Builds » 20210208-2039

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 07:33:11 576429 3998 314 1845 1839 -140.19 ± 4.94 100 1358 514 27 0 -312.38 ± 15.02
ncm-dbt-02 07:32:37 580228 3994 315 1813 1866 -136.99 ± 4.91 86 1359 519 33 0 -306.19 ± 14.96
ncm-dbt-03 07:33:13 576620 4000 328 1804 1868 -134.55 ± 5.0 85 1349 524 41 1 -298.62 ± 14.89
ncm-dbt-04 07:33:08 564483 4012 326 1814 1872 -135.31 ± 5.12 105 1319 541 41 0 -294.23 ± 14.65
ncm-dbt-05 07:32:44 575399 3996 341 1837 1818 -136.72 ± 5.04 98 1337 526 37 0 -301.13 ± 14.86
20000 1624 9113 9263 -136.75 ± 2.24 474 6722 2624 179 1 -302.42 ± 6.65

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
456944 ncm-dbt-03 586604 388 31 177 180 -137.49 ± 15.87 7 137 45 5 0 -312.83 ± 51.65
456943 ncm-dbt-05 582110 390 31 183 176 -142.96 ± 15.63 12 128 55 0 0 -313.87 ± 45.96
456942 ncm-dbt-02 585211 398 33 183 182 -137.73 ± 17.51 12 134 45 8 0 -296.92 ± 51.23
456941 ncm-dbt-01 583992 394 27 194 173 -157.17 ± 15.42 11 148 35 3 0 -374.0 ± 59.08
456940 ncm-dbt-04 569111 402 30 167 205 -123.33 ± 16.46 7 131 55 8 0 -267.43 ± 46.45
456939 ncm-dbt-03 587070 500 36 224 240 -137.37 ± 13.53 7 179 60 3 1 -321.19 ± 44.57
456938 ncm-dbt-02 585632 500 37 225 238 -137.37 ± 13.71 10 172 64 4 0 -309.64 ± 43.08
456937 ncm-dbt-05 582819 500 33 221 246 -137.37 ± 14.08 10 174 60 6 0 -309.64 ± 44.55
456936 ncm-dbt-01 582987 500 40 230 230 -138.99 ± 14.39 15 163 69 3 0 -301.33 ± 41.33
456935 ncm-dbt-04 569270 500 49 217 234 -121.45 ± 15.45 15 146 81 8 0 -247.41 ± 38.13
456934 ncm-dbt-03 582903 500 36 237 227 -148.02 ± 13.74 13 178 56 3 0 -339.63 ± 46.2
456933 ncm-dbt-05 582903 500 46 221 233 -126.97 ± 14.61 14 151 81 4 0 -265.78 ± 37.95
456932 ncm-dbt-02 582903 500 44 230 226 -135.76 ± 13.76 8 176 60 6 0 -309.64 ± 44.55
456931 ncm-dbt-01 584201 500 37 233 230 -143.89 ± 14.61 15 171 59 5 0 -318.25 ± 44.96
456930 ncm-dbt-04 567997 500 45 227 228 -132.54 ± 14.18 11 165 69 5 0 -290.66 ± 41.43
456929 ncm-dbt-03 583782 500 36 224 240 -137.37 ± 13.71 12 166 70 2 0 -304.07 ± 40.91
456928 ncm-dbt-02 586689 500 46 229 225 -133.34 ± 13.81 11 164 72 3 0 -293.29 ± 40.39
456927 ncm-dbt-01 584664 500 40 228 232 -137.37 ± 14.6 13 168 63 6 0 -301.33 ± 43.45
456926 ncm-dbt-05 580033 500 56 230 214 -126.17 ± 15.11 14 153 76 7 0 -263.42 ± 39.41
456925 ncm-dbt-04 568673 500 40 226 234 -135.76 ± 15.31 16 161 66 7 0 -288.06 ± 42.4
456924 ncm-dbt-03 584243 500 59 222 219 -117.55 ± 14.53 11 147 86 6 0 -245.2 ± 36.85
456923 ncm-dbt-01 583489 500 40 236 224 -143.89 ± 13.31 12 173 64 1 0 -327.18 ± 42.83
456922 ncm-dbt-05 581070 500 40 231 229 -139.81 ± 14.01 11 174 60 5 0 -315.35 ± 44.57
456921 ncm-dbt-02 583237 500 31 224 245 -141.44 ± 13.21 9 178 60 3 0 -327.18 ± 44.54
456920 ncm-dbt-04 568355 500 36 224 240 -137.37 ± 13.53 10 171 66 3 0 -309.64 ± 42.33
456919 ncm-dbt-03 583531 500 39 225 236 -135.76 ± 15.14 13 169 59 9 0 -295.94 ± 44.72
456918 ncm-dbt-02 587749 500 47 227 226 -130.94 ± 14.22 13 157 77 3 0 -280.42 ± 38.93
456917 ncm-dbt-05 583321 500 35 230 235 -143.07 ± 13.34 9 181 56 4 0 -333.32 ± 46.21
456916 ncm-dbt-01 583489 500 45 222 233 -128.55 ± 13.56 8 165 73 4 0 -285.49 ± 40.16
456915 ncm-dbt-04 568434 500 32 230 238 -145.54 ± 14.2 15 171 61 3 0 -324.17 ± 44.15
456914 ncm-dbt-03 539430 500 48 216 236 -121.45 ± 14.01 8 158 78 6 0 -263.42 ± 38.85
456913 ncm-dbt-04 564840 500 46 237 217 -139.81 ± 14.19 13 169 64 4 0 -309.64 ± 43.08
456912 ncm-dbt-01 547089 500 39 232 229 -141.43 ± 12.81 10 173 67 0 0 -324.16 ± 41.61
456911 ncm-dbt-05 552969 500 43 235 222 -140.62 ± 14.35 14 168 64 4 0 -309.64 ± 43.08
456910 ncm-dbt-02 551431 500 35 231 234 -143.89 ± 13.89 12 176 58 4 0 -327.18 ± 45.37
456881 ncm-dbt-01 549976 32 1 16 15 -176.59 ± 61.72 2 11 3 0 0 -393.99 ± 473.68
456880 ncm-dbt-03 550945 32 2 14 16 -136.93 ± 43.28 0 12 4 0 0 -337.95 ± 238.58
456879 ncm-dbt-05 549493 32 2 18 12 -190.78 ± 57.74 2 12 2 0 0 -470.26 ± 444.85
456878 ncm-dbt-04 536546 32 1 18 13 -205.56 ± 67.48 3 11 2 0 0 -470.26 ± 444.85
456877 ncm-dbt-02 564997 32 1 12 19 -124.45 ± 57.0 1 9 6 0 0 -254.67 ± 155.1
456876 ncm-dbt-02 587877 64 3 26 35 -130.67 ± 35.75 1 21 10 0 0 -292.92 ± 115.26
456875 ncm-dbt-05 582694 74 10 38 26 -138.32 ± 41.62 3 23 10 1 0 -285.28 ± 117.47
456874 ncm-dbt-01 579909 72 8 33 31 -125.85 ± 36.89 1 24 10 1 0 -279.59 ± 117.3
456873 ncm-dbt-04 564997 78 9 33 36 -110.47 ± 29.4 0 24 15 0 0 -249.28 ± 89.45
456872 ncm-dbt-03 584706 80 3 38 39 -162.97 ± 26.68 1 33 6 0 0 -436.37 ± 174.64
456871 ncm-dbt-02 586562 500 38 226 236 -137.37 ± 13.15 9 172 67 2 0 -312.48 ± 41.9
456870 ncm-dbt-05 576578 500 45 230 225 -134.95 ± 13.96 9 173 62 6 0 -304.07 ± 43.81
456869 ncm-dbt-01 584495 500 37 221 242 -134.15 ± 14.33 13 162 71 4 0 -290.66 ± 40.76
456868 ncm-dbt-04 566612 500 38 235 227 -144.71 ± 14.23 15 170 62 3 0 -321.19 ± 43.77
456867 ncm-dbt-03 582987 500 38 227 235 -138.18 ± 14.76 13 170 60 7 0 -304.07 ± 44.5

Commit

Commit ID 5ebdc40f8301745b4f8023e595ca2ddde74aa647
Author FauziAkram
Date 2021-02-08 20:39:30 UTC
Pawns Tuning A simple tuning of Pawns parameters, and some PSQT changes. Passed STC: LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 219424 W: 43681 L: 43103 D: 132640 Ptnml(0-2): 4014, 25760, 49669, 26172, 4097 https://tests.stockfishchess.org/tests/view/601bce167f517a561bc491eb Passed LTC: LLR: 2.94 (-2.94,2.94) {0.25,1.25} Total: 317312 W: 42525 L: 41579 D: 233208 Ptnml(0-2): 2447, 30157, 92636, 30835, 2581 https://tests.stockfishchess.org/tests/view/601c21557f517a561bc49227 closes https://github.com/official-stockfish/Stockfish/pull/3337 Bench: 4154473
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