Dev Builds » 20200915-0519

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 06:30:34 584790 4000 189 1949 1862 -164.07 ± 4.51 105 1568 309 18 0 -410.03 ± 19.43
ncm-dbt-02 06:30:24 586172 3996 165 1972 1859 -169.36 ± 4.42 113 1594 278 13 0 -433.76 ± 20.49
ncm-dbt-03 06:30:10 585162 4004 156 2004 1844 -173.46 ± 4.55 140 1579 272 11 0 -440.41 ± 20.72
ncm-dbt-04 06:31:09 567898 4000 164 1956 1880 -167.53 ± 4.55 124 1555 310 11 0 -417.32 ± 19.4
ncm-dbt-05 06:30:00 581947 4000 183 1972 1845 -167.21 ± 4.43 114 1569 309 8 0 -421.35 ± 19.42
20000 857 9853 9290 -168.31 ± 2.01 596 7865 1478 61 0 -424.28 ± 8.86

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
459713 ncm-dbt-03 585337 4 0 2 2 -190.27 ± 27.79 0 2 0 0 0 -1199.83 ± 312.71
459712 ncm-dbt-02 584958 496 16 246 234 -174.42 ± 11.44 12 207 28 1 0 -476.51 ± 66.98
459711 ncm-dbt-01 585253 500 19 242 239 -166.66 ± 11.8 10 205 33 2 0 -438.95 ± 61.17
459710 ncm-dbt-04 565784 500 22 247 231 -168.4 ± 13.29 18 190 41 1 0 -410.58 ± 54.45
459709 ncm-dbt-05 582987 500 24 242 234 -162.35 ± 13.87 18 184 46 2 0 -381.7 ± 51.25
459708 ncm-dbt-03 586350 500 22 249 229 -170.14 ± 13.18 19 189 42 0 0 -415.04 ± 53.59
459707 ncm-dbt-02 585928 500 21 248 231 -170.15 ± 11.5 11 206 32 1 0 -454.76 ± 62.27
459706 ncm-dbt-01 585084 500 22 251 227 -171.9 ± 14.56 23 186 38 3 0 -406.2 ± 56.64
459705 ncm-dbt-05 581943 500 29 247 224 -162.35 ± 12.36 11 198 39 2 0 -410.58 ± 55.96
459704 ncm-dbt-04 570228 500 21 246 233 -168.4 ± 12.85 16 194 39 1 0 -419.61 ± 55.94
459703 ncm-dbt-03 585084 500 16 254 230 -179.9 ± 12.64 20 198 32 0 0 -466.03 ± 62.14
459702 ncm-dbt-02 588345 500 23 243 234 -164.07 ± 12.69 13 196 39 2 0 -410.58 ± 55.96
459701 ncm-dbt-05 580157 500 24 246 230 -165.79 ± 11.37 10 202 38 0 0 -433.93 ± 56.58
459700 ncm-dbt-01 584285 500 26 243 231 -161.49 ± 13.29 15 189 44 2 0 -389.56 ± 52.48
459699 ncm-dbt-03 587452 500 15 249 236 -176.32 ± 12.21 15 206 27 2 0 -471.92 ± 68.11
459698 ncm-dbt-04 568355 500 21 246 233 -168.4 ± 13.29 17 193 38 2 0 -415.05 ± 56.74
459697 ncm-dbt-02 584874 500 24 240 236 -160.64 ± 12.01 9 200 39 2 0 -410.58 ± 55.96
459696 ncm-dbt-01 584159 500 24 230 246 -152.18 ± 11.64 3 204 39 4 0 -393.6 ± 55.71
459695 ncm-dbt-05 582193 500 21 240 239 -163.2 ± 10.82 7 205 38 0 0 -433.93 ± 56.58
459694 ncm-dbt-04 570148 500 19 246 235 -170.15 ± 13.18 18 192 39 1 0 -419.61 ± 55.94
459693 ncm-dbt-03 584495 500 18 249 233 -173.66 ± 12.44 15 203 30 2 0 -454.76 ± 64.37
459692 ncm-dbt-02 587113 500 22 245 233 -166.66 ± 12.97 15 195 38 2 0 -415.05 ± 56.74
459691 ncm-dbt-01 583112 500 32 243 225 -156.39 ± 13.15 11 193 42 4 0 -381.7 ± 53.64
459690 ncm-dbt-05 579951 500 30 247 223 -161.49 ± 13.29 15 189 44 2 0 -389.56 ± 52.48
459689 ncm-dbt-03 585759 500 25 248 227 -166.66 ± 13.62 18 189 41 2 0 -401.92 ± 54.49
459688 ncm-dbt-04 568116 500 19 239 242 -164.07 ± 12.0 12 196 42 0 0 -415.04 ± 53.59
459687 ncm-dbt-02 586435 500 14 251 235 -179.0 ± 11.96 17 203 30 0 0 -477.98 ± 64.39
459686 ncm-dbt-01 585759 500 25 248 227 -166.66 ± 12.04 13 197 40 0 0 -424.27 ± 55.03
459685 ncm-dbt-05 581361 500 18 242 240 -167.53 ± 13.13 17 191 41 1 0 -410.58 ± 54.45
459684 ncm-dbt-03 583992 500 17 248 235 -173.66 ± 12.68 17 198 34 1 0 -444.09 ± 60.25
459683 ncm-dbt-04 565705 500 22 247 231 -168.4 ± 12.62 13 202 32 3 0 -433.94 ± 61.95
459682 ncm-dbt-02 585506 500 24 249 227 -168.4 ± 13.29 17 193 38 2 0 -415.05 ± 56.74
459681 ncm-dbt-01 585548 500 20 247 233 -170.15 ± 12.49 14 201 33 2 0 -438.95 ± 61.17
459680 ncm-dbt-03 582402 500 13 250 237 -179.0 ± 12.22 17 204 28 1 0 -477.99 ± 66.98
459679 ncm-dbt-05 582068 500 15 246 239 -173.66 ± 11.95 14 204 31 1 0 -460.32 ± 63.35
459678 ncm-dbt-04 568434 500 19 242 239 -166.66 ± 13.41 16 194 37 3 0 -410.58 ± 57.43
459677 ncm-dbt-02 586223 500 21 250 229 -171.9 ± 13.72 19 194 34 3 0 -424.28 ± 60.03
459676 ncm-dbt-01 585126 500 21 245 234 -167.53 ± 12.91 16 193 40 1 0 -415.05 ± 55.18
459675 ncm-dbt-03 585590 500 30 255 215 -168.4 ± 13.94 19 190 38 3 0 -406.2 ± 56.64
459674 ncm-dbt-05 584916 500 22 262 216 -181.7 ± 12.97 22 196 32 0 0 -466.03 ± 62.14
459673 ncm-dbt-04 566414 500 21 243 236 -165.79 ± 12.34 14 194 42 0 0 -415.04 ± 53.59

Commit

Commit ID 35ab8254b70f62a4e0138c475fad0c77dcc0af2d
Author mckx00
Date 2020-09-15 05:19:02 UTC
Simplify StatSCore Initialization No need to initialize StatScore at rootNode. Current Logic is redundant because at subsequent levels the grandchildren statScore is initialized to zero. closes https://github.com/official-stockfish/Stockfish/pull/3122 Non functional change.
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