Dev Builds » 20200928-1455

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 06:44:32 582359 3996 210 1907 1879 -157.52 ± 4.56 102 1504 381 11 0 -380.06 ± 17.46
ncm-dbt-02 06:43:44 587236 4012 238 1872 1902 -150.21 ± 4.76 98 1462 422 24 0 -350.86 ± 16.61
ncm-dbt-03 06:43:40 585321 3996 222 1860 1914 -151.31 ± 4.73 91 1484 395 28 0 -358.18 ± 17.17
ncm-dbt-04 06:43:36 568131 3996 242 1878 1876 -151.1 ± 4.56 83 1487 411 17 0 -360.8 ± 16.82
ncm-dbt-05 06:44:05 581436 4000 233 1899 1868 -154.07 ± 4.75 104 1480 395 20 1 -364.53 ± 17.17
20000 1145 9416 9439 -152.83 ± 2.09 478 7417 2004 100 1 -362.67 ± 7.61

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
443096 ncm-dbt-02 587749 12 1 6 5 -154.02 ± 64.21 0 5 1 0 0 -416.21 ± 496.36
443095 ncm-dbt-04 569111 496 31 243 222 -158.68 ± 12.44 11 191 45 1 0 -392.06 ± 51.79
443094 ncm-dbt-03 583992 496 26 233 237 -154.42 ± 12.25 7 196 42 3 0 -388.01 ± 53.75
443093 ncm-dbt-01 582318 496 21 240 235 -164.73 ± 12.02 12 195 41 0 0 -418.08 ± 54.29
443092 ncm-dbt-05 580447 500 29 236 235 -153.02 ± 14.3 16 179 51 4 0 -349.43 ± 48.52
443091 ncm-dbt-02 587282 500 34 231 235 -144.71 ± 12.88 9 181 58 2 0 -339.63 ± 45.29
443090 ncm-dbt-04 568792 500 39 237 224 -145.54 ± 12.22 6 188 54 2 0 -352.8 ± 47.05
443089 ncm-dbt-01 582027 500 37 231 232 -142.25 ± 11.95 5 185 59 1 0 -342.85 ± 44.76
443088 ncm-dbt-03 582694 500 27 243 230 -160.64 ± 12.69 12 194 42 2 0 -397.72 ± 53.79
443087 ncm-dbt-05 582193 500 27 239 234 -157.23 ± 12.68 12 189 48 1 0 -381.7 ± 50.02
443086 ncm-dbt-02 587962 500 19 238 243 -163.2 ± 11.58 10 199 41 0 0 -419.6 ± 54.3
443085 ncm-dbt-04 569470 500 26 226 248 -147.19 ± 11.92 5 192 51 2 0 -363.2 ± 48.51
443084 ncm-dbt-01 583489 500 27 245 228 -162.35 ± 12.81 12 197 38 3 0 -406.2 ± 56.64
443083 ncm-dbt-03 587579 500 32 228 240 -143.89 ± 13.31 9 182 55 4 0 -336.46 ± 46.65
443082 ncm-dbt-05 579083 500 31 241 228 -155.54 ± 12.56 10 192 46 2 0 -381.7 ± 51.25
443081 ncm-dbt-02 585801 500 37 239 224 -148.85 ± 15.35 17 176 49 8 0 -330.23 ± 49.05
443080 ncm-dbt-04 568752 500 32 239 229 -153.02 ± 13.72 14 182 51 3 0 -356.21 ± 48.54
443079 ncm-dbt-01 578506 500 26 237 237 -156.39 ± 12.06 8 197 43 2 0 -393.6 ± 53.12
443078 ncm-dbt-03 586139 500 26 233 241 -153.02 ± 13.72 16 176 57 1 0 -349.43 ± 45.6
443077 ncm-dbt-05 580489 500 23 232 245 -154.7 ± 13.24 13 185 50 2 0 -366.78 ± 49.02
443076 ncm-dbt-02 588558 500 35 237 228 -148.85 ± 14.64 17 172 57 4 0 -330.23 ± 45.79
443075 ncm-dbt-04 564644 500 31 243 226 -157.23 ± 13.32 13 189 45 3 0 -377.87 ± 51.84
443074 ncm-dbt-01 582318 500 30 239 231 -154.7 ± 14.24 18 175 55 2 0 -349.43 ± 46.59
443073 ncm-dbt-03 588387 500 35 230 235 -143.07 ± 13.34 8 184 53 5 0 -336.46 ± 47.52
443072 ncm-dbt-05 582652 500 29 249 222 -164.07 ± 14.18 19 185 43 3 0 -385.59 ± 53.09
443071 ncm-dbt-02 585928 500 24 227 249 -149.68 ± 13.07 10 186 51 3 0 -356.21 ± 48.54
443070 ncm-dbt-04 570029 500 28 230 242 -148.85 ± 12.91 9 187 51 3 0 -356.21 ± 48.54
443069 ncm-dbt-03 583447 500 30 241 229 -156.39 ± 13.97 16 182 49 3 0 -363.2 ± 49.57
443068 ncm-dbt-01 582903 500 21 235 244 -158.93 ± 13.43 14 189 44 3 0 -381.7 ± 52.45
443067 ncm-dbt-05 583740 500 30 237 233 -153.02 ± 13.32 13 183 52 2 0 -359.68 ± 48.01
443066 ncm-dbt-02 587962 500 26 231 243 -151.34 ± 12.99 11 185 52 2 0 -359.68 ± 48.01
443065 ncm-dbt-03 585084 500 24 227 249 -149.68 ± 14.43 15 178 52 5 0 -339.63 ± 47.98
443064 ncm-dbt-01 583782 500 25 248 227 -166.66 ± 13.83 21 181 48 0 0 -389.55 ± 49.86
443063 ncm-dbt-04 567007 500 30 227 243 -144.71 ± 13.48 12 175 61 2 0 -330.23 ± 44.08
443062 ncm-dbt-05 581693 500 35 230 235 -143.07 ± 13.54 10 179 57 4 0 -330.23 ± 45.79
443061 ncm-dbt-02 586266 500 35 233 232 -145.54 ± 13.64 12 177 58 3 0 -333.32 ± 45.35
443060 ncm-dbt-04 567244 500 25 233 242 -153.86 ± 13.08 13 183 53 1 0 -363.2 ± 47.43
443059 ncm-dbt-03 585253 500 22 225 253 -149.68 ± 13.07 8 192 45 5 0 -363.2 ± 51.64
443058 ncm-dbt-02 587622 500 27 230 243 -149.68 ± 13.27 12 181 55 2 0 -349.43 ± 46.59
443057 ncm-dbt-01 583531 500 23 232 245 -154.7 ± 12.61 12 185 53 0 0 -370.41 ± 47.26
443056 ncm-dbt-05 581194 500 29 235 236 -152.18 ± 13.56 11 188 48 2 1 -366.78 ± 50.11

Commit

Commit ID 36c2886302ff3f6b730fc5f69d738a5d61be8c46
Author Joost VandeVondele
Date 2020-09-28 14:55:40 UTC
Update default net to nn-04a843f8932e.nnue an optimization of Sergio's nn-03744f8d56d8.nnue tuning the output layer (33 parameters) on game play. WIP code to make layer parameters tunable is https://github.com/vondele/Stockfish/tree/optionOutput Optimization itself is using https://github.com/vondele/nevergrad4sf Writing of the modified net using WIP code based on the learner code https://github.com/vondele/Stockfish/tree/evalWrite Most parameters in the output layer are changed only little (~5 for int8_t). passed STC: https://tests.stockfishchess.org/tests/view/5f716f6b3b22d6afa506941a LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 15488 W: 1859 L: 1689 D: 11940 Ptnml(0-2): 79, 1260, 4917, 1388, 100 passed LTC: https://tests.stockfishchess.org/tests/view/5f71908e3b22d6afa506942e LLR: 2.93 (-2.94,2.94) {0.25,1.25} Total: 8728 W: 518 L: 400 D: 7810 Ptnml(0-2): 7, 338, 3556, 456, 7 closes https://github.com/official-stockfish/Stockfish/pull/3158 Bench: 3789924
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