Dev Builds » 20200904-0603

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 06:23:36 582217 4000 184 1973 1843 -167.21 ± 4.65 128 1549 307 16 0 -413.36 ± 19.49
ncm-dbt-02 06:24:38 585110 4016 174 1958 1884 -165.89 ± 4.42 105 1588 301 14 0 -419.79 ± 19.69
ncm-dbt-03 06:24:00 586147 4000 174 1972 1854 -168.18 ± 4.51 114 1589 278 19 0 -426.65 ± 20.47
ncm-dbt-04 06:24:05 568239 4000 188 1975 1837 -166.99 ± 4.65 128 1547 309 16 0 -412.24 ± 19.43
ncm-dbt-05 06:24:47 581917 3984 157 1975 1852 -171.17 ± 4.72 148 1534 298 12 0 -422.34 ± 19.79
20000 877 9853 9270 -167.88 ± 2.05 623 7807 1493 77 0 -418.81 ± 8.82

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
459843 ncm-dbt-02 585211 16 0 6 10 -136.89 ± 61.78 0 6 2 0 0 -337.87 ± 515.83
459842 ncm-dbt-05 584076 484 21 230 233 -160.56 ± 13.01 11 190 38 3 0 -400.0 ± 56.63
459841 ncm-dbt-03 585337 500 25 241 234 -160.64 ± 12.47 12 193 44 1 0 -397.72 ± 52.42
459840 ncm-dbt-04 568196 500 27 240 233 -158.08 ± 12.85 11 194 42 3 0 -389.56 ± 53.75
459839 ncm-dbt-01 580779 500 28 242 230 -158.93 ± 12.8 12 192 44 2 0 -389.56 ± 52.48
459838 ncm-dbt-02 586858 500 17 251 232 -176.32 ± 11.44 13 209 27 1 0 -484.25 ± 68.34
459837 ncm-dbt-05 582569 500 14 261 225 -188.08 ± 14.54 31 185 34 0 0 -454.75 ± 60.11
459836 ncm-dbt-04 568196 500 21 248 231 -170.15 ± 12.95 17 194 38 1 0 -424.28 ± 56.73
459835 ncm-dbt-03 587707 500 25 248 227 -166.66 ± 12.74 14 197 37 2 0 -419.61 ± 57.55
459834 ncm-dbt-01 584958 500 19 256 225 -179.0 ± 14.53 27 184 38 1 0 -424.28 ± 56.73
459833 ncm-dbt-02 586562 500 29 238 233 -154.7 ± 13.45 10 195 39 6 0 -377.87 ± 55.23
459832 ncm-dbt-05 581028 500 25 235 240 -155.54 ± 13.4 14 184 50 2 0 -366.78 ± 49.02
459831 ncm-dbt-04 567363 500 22 243 235 -164.93 ± 13.72 19 184 46 1 0 -389.56 ± 51.18
459830 ncm-dbt-03 585717 500 19 250 231 -173.66 ± 12.68 15 204 28 3 0 -454.76 ± 66.42
459829 ncm-dbt-01 584664 500 22 247 231 -168.4 ± 12.62 14 199 35 2 0 -429.05 ± 59.28
459828 ncm-dbt-02 583950 500 15 241 244 -169.27 ± 13.01 17 193 39 1 0 -419.61 ± 55.94
459827 ncm-dbt-03 586689 500 21 251 228 -172.78 ± 12.51 15 202 31 2 0 -449.35 ± 63.25
459826 ncm-dbt-04 567165 500 27 245 228 -162.35 ± 13.45 15 191 41 3 0 -393.6 ± 54.43
459825 ncm-dbt-05 583614 500 15 249 236 -176.32 ± 11.96 15 205 29 1 0 -471.92 ± 65.71
459824 ncm-dbt-01 582778 500 30 257 213 -170.15 ± 14.66 21 190 34 5 0 -406.2 ± 59.41
459823 ncm-dbt-02 586477 500 25 244 231 -163.21 ± 12.53 13 194 42 1 0 -406.2 ± 53.75
459822 ncm-dbt-04 566217 500 27 246 227 -163.21 ± 12.97 12 199 35 4 0 -410.58 ± 58.88
459821 ncm-dbt-05 578177 500 24 252 224 -171.02 ± 12.65 16 197 36 1 0 -433.94 ± 58.41
459820 ncm-dbt-03 585843 500 22 238 240 -160.64 ± 12.01 10 197 42 1 0 -406.2 ± 53.75
459819 ncm-dbt-01 581985 500 27 248 225 -164.93 ± 13.3 16 191 41 2 0 -401.92 ± 54.49
459818 ncm-dbt-02 584874 500 25 245 230 -164.07 ± 11.51 10 200 40 0 0 -424.27 ± 55.03
459817 ncm-dbt-03 588345 500 23 252 225 -171.9 ± 14.56 22 189 35 4 0 -410.58 ± 58.88
459816 ncm-dbt-04 571712 500 22 253 225 -173.66 ± 14.66 26 180 43 1 0 -401.92 ± 53.07
459815 ncm-dbt-05 581319 500 19 249 232 -172.78 ± 14.51 24 184 40 2 0 -406.2 ± 55.21
459814 ncm-dbt-02 582736 500 18 238 244 -164.07 ± 12.0 11 199 39 1 0 -419.61 ± 55.94
459813 ncm-dbt-01 578136 500 18 247 235 -171.9 ± 12.82 16 199 33 2 0 -438.95 ± 61.17
459812 ncm-dbt-03 583950 500 22 247 231 -168.4 ± 12.85 12 206 27 5 0 -438.95 ± 66.52
459811 ncm-dbt-05 580987 500 24 245 231 -164.93 ± 13.72 18 187 43 2 0 -393.6 ± 53.12
459810 ncm-dbt-04 568554 500 19 245 236 -169.27 ± 11.32 10 207 32 1 0 -454.76 ± 62.27
459809 ncm-dbt-01 583824 500 24 241 235 -161.49 ± 12.18 11 196 42 1 0 -406.2 ± 53.75
459808 ncm-dbt-02 583698 500 20 253 227 -175.43 ± 12.54 17 200 32 1 0 -454.76 ± 62.27
459807 ncm-dbt-03 585590 500 17 245 238 -171.02 ± 12.18 14 201 34 1 0 -444.09 ± 60.25
459806 ncm-dbt-04 568514 500 23 255 222 -174.55 ± 13.08 18 198 32 2 0 -444.09 ± 62.18
459805 ncm-dbt-05 583572 500 15 254 231 -180.8 ± 12.56 19 202 28 1 0 -477.99 ± 66.98
459804 ncm-dbt-01 580613 500 16 235 249 -163.21 ± 12.06 11 198 40 1 0 -415.05 ± 55.18
459803 ncm-dbt-02 585632 500 25 242 233 -161.49 ± 13.29 14 192 41 3 0 -393.6 ± 54.43

Commit

Commit ID 9cc482c7889cbc5f6d92e1b69ccd28d422a44a32
Author Sergio Vieri
Date 2020-09-04 06:03:43 UTC
Update default net to nn-308d71810dff.nnue equivalent to 20200903-1739 Net trained from scratch, so it has quite different features extracted compared to the previous net (82215d0fd0df). STC: LLR: 2.98 (-2.94,2.94) {-0.25,1.25} Total: 108328 W: 14048 L: 13719 D: 80561 Ptnml(0-2): 842, 10039, 32062, 10390, 831 https://tests.stockfishchess.org/tests/view/5f50e053ba100690c5cc5f00 LTC: LLR: 2.96 (-2.94,2.94) {0.25,1.25} Total: 13872 W: 1059 L: 890 D: 11923 Ptnml(0-2): 30, 724, 5270, 871, 41 https://tests.stockfishchess.org/tests/view/5f51821fba100690c5cc5f36 closes https://github.com/official-stockfish/Stockfish/pull/3104 Bench: 3832716
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