Dev Builds » 20201014-1128

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 06:44:03 582589 4000 301 1856 1843 -142.56 ± 4.75 78 1429 463 30 0 -329.08 ± 15.85
ncm-dbt-02 06:42:55 584564 4000 247 1882 1871 -150.82 ± 4.56 82 1489 411 18 0 -360.12 ± 16.82
ncm-dbt-03 06:43:48 585958 4000 285 1839 1876 -142.46 ± 4.88 95 1392 485 28 0 -322.3 ± 15.48
ncm-dbt-04 06:44:47 566875 4000 300 1869 1831 -144.0 ± 4.7 82 1426 472 19 1 -333.32 ± 15.67
ncm-dbt-05 06:44:14 579788 4000 237 1867 1896 -150.3 ± 4.72 93 1468 415 24 0 -353.22 ± 16.75
20000 1370 9313 9317 -146.01 ± 2.12 430 7204 2246 119 1 -339.15 ± 7.18

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
447552 ncm-dbt-05 579331 500 30 237 233 -153.02 ± 13.72 13 185 48 4 0 -359.68 ± 50.07
447551 ncm-dbt-01 584285 500 35 229 236 -142.25 ± 12.16 5 186 57 2 0 -342.85 ± 45.71
447550 ncm-dbt-04 566572 500 45 238 217 -141.44 ± 13.96 14 167 67 2 0 -312.48 ± 41.9
447549 ncm-dbt-03 588132 500 28 231 241 -149.68 ± 14.61 17 173 56 4 0 -333.32 ± 46.21
447548 ncm-dbt-02 584832 500 27 223 250 -143.89 ± 12.09 4 191 52 3 0 -352.8 ± 48.05
447547 ncm-dbt-03 587070 500 36 212 252 -127.76 ± 12.65 6 165 78 1 0 -288.06 ± 38.42
447546 ncm-dbt-05 579413 500 32 240 228 -153.86 ± 14.08 15 182 49 4 0 -356.21 ± 49.54
447545 ncm-dbt-01 580779 500 43 236 221 -141.44 ± 13.78 13 169 66 2 0 -315.35 ± 42.24
447544 ncm-dbt-04 567244 500 38 233 229 -143.07 ± 12.95 8 182 57 3 0 -336.46 ± 45.77
447543 ncm-dbt-02 585632 500 27 234 239 -153.02 ± 12.7 9 192 46 3 0 -374.11 ± 51.25
447542 ncm-dbt-05 576660 500 25 232 243 -153.02 ± 12.91 11 187 50 2 0 -366.78 ± 49.02
447541 ncm-dbt-03 587664 500 45 228 227 -133.34 ± 14.51 11 168 64 7 0 -293.29 ± 43.07
447540 ncm-dbt-01 580987 500 35 241 224 -152.18 ± 14.15 13 186 45 6 0 -356.21 ± 51.48
447539 ncm-dbt-04 567918 500 44 238 218 -142.25 ± 13.56 13 169 67 1 0 -318.25 ± 41.77
447538 ncm-dbt-02 577192 500 38 237 225 -146.36 ± 13.22 10 182 55 3 0 -342.85 ± 46.64
447537 ncm-dbt-01 585169 500 35 233 232 -145.54 ± 13.83 11 181 53 5 0 -336.46 ± 47.52
447536 ncm-dbt-05 576741 500 27 241 232 -158.93 ± 13.43 17 180 53 0 0 -370.41 ± 47.26
447535 ncm-dbt-03 583112 500 32 231 237 -146.36 ± 13.02 10 181 57 2 0 -342.85 ± 45.71
447534 ncm-dbt-04 566809 500 34 230 236 -143.89 ± 13.89 9 184 52 4 1 -339.63 ± 47.98
447533 ncm-dbt-02 586901 500 31 228 241 -144.71 ± 12.88 8 184 55 3 0 -342.85 ± 46.64
447532 ncm-dbt-01 584076 500 39 231 230 -140.62 ± 12.64 6 183 58 3 0 -333.32 ± 45.35
447531 ncm-dbt-05 577274 500 37 230 233 -141.44 ± 14.15 11 177 56 6 0 -321.19 ± 46.14
447530 ncm-dbt-02 586054 500 34 242 224 -153.86 ± 12.87 11 188 49 2 0 -370.41 ± 49.56
447529 ncm-dbt-04 566414 500 44 239 217 -143.07 ± 13.15 11 174 64 1 0 -327.18 ± 42.83
447528 ncm-dbt-03 584706 500 31 235 234 -150.51 ± 13.64 13 181 53 3 0 -349.43 ± 47.56
447527 ncm-dbt-01 582611 500 36 243 221 -153.02 ± 13.53 15 178 56 1 0 -352.8 ± 46.04
447526 ncm-dbt-05 584327 500 27 236 237 -154.7 ± 12.39 9 193 46 2 0 -381.7 ± 51.25
447525 ncm-dbt-03 586604 500 41 234 225 -141.44 ± 14.51 13 173 58 6 0 -315.35 ± 45.33
447524 ncm-dbt-02 582819 500 33 248 219 -159.78 ± 12.96 14 188 47 1 0 -385.59 ± 50.59
447523 ncm-dbt-04 565981 500 31 238 231 -153.02 ± 13.32 13 183 52 2 0 -359.68 ± 48.01
447522 ncm-dbt-01 581943 500 40 225 235 -134.95 ± 13.78 9 172 64 5 0 -304.07 ± 43.1
447521 ncm-dbt-03 585421 500 37 236 227 -146.36 ± 13.99 16 168 65 1 0 -324.17 ± 42.47
447520 ncm-dbt-05 581028 500 28 224 248 -143.89 ± 12.71 8 182 58 2 0 -339.63 ± 45.29
447519 ncm-dbt-02 586097 500 21 235 244 -158.93 ± 13.23 14 188 46 2 0 -381.7 ± 51.25
447518 ncm-dbt-04 565272 500 29 227 244 -145.54 ± 12.64 8 184 56 2 0 -346.12 ± 46.15
447517 ncm-dbt-01 580862 500 38 218 244 -130.94 ± 13.51 6 174 64 6 0 -298.62 ± 43.1
447516 ncm-dbt-03 584958 500 35 232 233 -144.71 ± 13.28 9 183 54 4 0 -339.63 ± 47.1
447515 ncm-dbt-05 583531 500 31 227 242 -143.89 ± 13.31 9 182 55 4 0 -336.46 ± 46.65
447514 ncm-dbt-04 568792 500 35 226 239 -139.81 ± 12.87 6 183 57 4 0 -330.23 ± 45.79
447513 ncm-dbt-02 586985 500 36 235 229 -146.36 ± 13.22 12 176 61 1 0 -336.46 ± 43.96

Commit

Commit ID ba73f8ce0d545a0f627b5bc8ba274ae9c85918f3
Author Joost VandeVondele
Date 2020-10-14 11:28:21 UTC
Update default net to nn-04cf2b4ed1da.nnue Further tune the net parameters, now the last but one layer (32x32). To limit the number of parameters optimized, the network layer was decomposed using SVD, and the singular values were treated as parameters and tuned. Tuning branch: https://github.com/vondele/Stockfish/tree/svdTune Tuner: https://github.com/vondele/nevergrad4sf passed STC: https://tests.stockfishchess.org/tests/view/5f83e82f8ea73fb8ddf83e4e LLR: 2.94 (-2.94,2.94) {-0.25,1.25} Total: 8488 W: 944 L: 795 D: 6749 Ptnml(0-2): 39, 609, 2811, 734, 51 passed LTC: https://tests.stockfishchess.org/tests/view/5f83f4118ea73fb8ddf83e66 LLR: 2.94 (-2.94,2.94) {0.25,1.25} Total: 169016 W: 8043 L: 7589 D: 153384 Ptnml(0-2): 133, 6623, 70538, 7085, 129 closes https://github.com/official-stockfish/Stockfish/pull/3181 Bench: 3945198
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