Dev Builds » 20200901-0726

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 06:28:52 583023 4000 177 1944 1879 -164.82 ± 4.41 103 1572 314 11 0 -415.05 ± 19.27
ncm-dbt-02 06:30:25 586009 3998 146 1979 1873 -172.11 ± 4.49 127 1592 268 11 1 -441.41 ± 20.88
ncm-dbt-03 06:28:29 586175 4000 165 1949 1886 -166.66 ± 4.35 101 1594 293 12 0 -426.06 ± 19.96
ncm-dbt-04 06:29:15 567404 4004 176 2015 1813 -172.47 ± 4.51 137 1572 286 7 0 -436.62 ± 20.2
ncm-dbt-05 06:30:20 581526 3998 188 1993 1817 -169.05 ± 4.43 120 1572 300 7 0 -427.76 ± 19.71
20000 852 9880 9268 -169.01 ± 1.99 588 7902 1461 48 1 -429.18 ± 8.91

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
443269 ncm-dbt-04 570589 4 0 0 4 0.0 ± 17.0 0 0 2 0 0 -0.0 ± 15.22
443268 ncm-dbt-02 587113 498 19 246 233 -170.94 ± 11.72 12 204 32 1 0 -454.02 ± 62.27
443267 ncm-dbt-01 581277 500 21 238 241 -161.49 ± 13.91 16 189 41 4 0 -385.59 ± 54.3
443266 ncm-dbt-05 579496 498 22 248 228 -170.07 ± 13.0 17 193 38 1 0 -423.52 ± 56.73
443265 ncm-dbt-03 582068 500 18 247 235 -171.9 ± 13.28 18 195 35 2 0 -429.05 ± 59.28
443264 ncm-dbt-04 567522 500 24 260 216 -178.11 ± 13.03 21 194 35 0 0 -449.34 ± 59.17
443263 ncm-dbt-02 585717 500 17 244 239 -170.15 ± 11.5 11 206 32 1 0 -454.76 ± 62.27
443262 ncm-dbt-01 584117 500 18 239 243 -164.93 ± 11.69 10 202 37 1 0 -429.05 ± 57.55
443261 ncm-dbt-05 579951 500 23 251 226 -171.02 ± 12.89 17 195 37 1 0 -429.05 ± 57.55
443260 ncm-dbt-04 566612 500 22 250 228 -171.02 ± 12.18 14 201 34 1 0 -444.09 ± 60.25
443259 ncm-dbt-03 586139 500 19 250 231 -173.66 ± 11.7 13 206 30 1 0 -466.04 ± 64.5
443258 ncm-dbt-02 587240 500 17 248 235 -173.66 ± 13.6 19 196 32 3 0 -433.94 ± 61.95
443257 ncm-dbt-05 581818 500 20 255 225 -177.21 ± 12.87 20 195 35 0 0 -449.34 ± 59.17
443256 ncm-dbt-01 582652 500 25 241 234 -160.64 ± 11.29 7 203 39 1 0 -419.61 ± 55.94
443255 ncm-dbt-04 567680 500 16 244 240 -171.02 ± 11.68 13 202 35 0 0 -449.34 ± 59.17
443254 ncm-dbt-03 586985 500 16 238 246 -165.79 ± 11.62 9 206 33 2 0 -438.95 ± 61.17
443253 ncm-dbt-01 585337 500 26 248 226 -165.79 ± 12.57 15 192 43 0 0 -410.57 ± 52.91
443252 ncm-dbt-05 581527 500 27 236 237 -154.7 ± 12.17 8 195 45 2 0 -385.59 ± 51.85
443251 ncm-dbt-02 585126 500 21 252 227 -173.67 ± 15.85 29 176 43 1 1 -393.6 ± 53.12
443250 ncm-dbt-04 569709 500 29 246 225 -161.49 ± 11.71 10 197 43 0 0 -410.57 ± 52.91
443249 ncm-dbt-03 587452 500 23 255 222 -174.55 ± 13.76 20 195 32 3 0 -433.94 ± 61.95
443248 ncm-dbt-01 581070 500 19 239 242 -164.07 ± 11.26 9 202 39 0 0 -429.05 ± 55.79
443247 ncm-dbt-04 565705 500 10 254 236 -185.33 ± 11.57 17 211 21 1 0 -526.72 ± 78.6
443246 ncm-dbt-02 583196 500 21 253 226 -174.55 ± 12.61 17 199 33 1 0 -449.35 ± 61.23
443245 ncm-dbt-05 584495 500 23 251 226 -171.02 ± 12.18 15 198 37 0 0 -438.94 ± 57.41
443244 ncm-dbt-03 586774 500 24 242 234 -162.35 ± 12.36 12 195 42 1 0 -406.2 ± 53.75
443243 ncm-dbt-02 586646 500 22 248 230 -169.27 ± 11.83 11 206 31 2 0 -449.35 ± 63.25
443242 ncm-dbt-01 585295 500 19 247 234 -171.02 ± 11.16 11 206 33 0 0 -460.31 ± 61.1
443241 ncm-dbt-04 564958 500 27 249 224 -165.79 ± 14.09 18 190 38 4 0 -397.72 ± 56.46
443240 ncm-dbt-05 580779 500 20 251 229 -173.66 ± 11.95 15 201 34 0 0 -454.75 ± 60.11
443239 ncm-dbt-03 587962 500 22 244 234 -165.79 ± 11.87 11 201 37 1 0 -429.05 ± 57.55
443238 ncm-dbt-01 583950 500 26 241 233 -159.78 ± 14.4 18 183 45 4 0 -370.41 ± 51.77
443237 ncm-dbt-05 580779 500 23 248 229 -168.4 ± 12.14 14 197 39 0 0 -429.05 ± 55.79
443236 ncm-dbt-02 587367 500 18 241 241 -166.66 ± 11.8 10 205 33 2 0 -438.95 ± 61.17
443235 ncm-dbt-03 586858 500 24 232 244 -153.86 ± 11.99 7 196 45 2 0 -385.59 ± 51.85
443234 ncm-dbt-04 565548 500 25 249 226 -167.53 ± 13.57 19 187 43 1 0 -401.92 ± 53.07
443233 ncm-dbt-04 568315 500 23 263 214 -181.7 ± 13.67 25 190 35 0 0 -449.34 ± 59.17
443232 ncm-dbt-05 583363 500 30 253 217 -166.66 ± 12.97 14 198 35 3 0 -419.61 ± 59.12
443231 ncm-dbt-01 580489 500 23 251 226 -171.02 ± 12.89 17 195 37 1 0 -429.05 ± 57.55
443230 ncm-dbt-02 585674 500 11 247 242 -178.11 ± 12.3 18 200 32 0 0 -466.03 ± 62.14
443229 ncm-dbt-03 585169 500 19 241 240 -165.79 ± 11.62 11 200 39 0 0 -429.05 ± 55.79

Commit

Commit ID 61381372ec896ae6b0f139555e6e3f816d8aa570
Author Joost VandeVondele
Date 2020-09-01 07:26:56 UTC
Always print an info line before a bestmove if very few nodes are being searched before a bestmove is reported, an info line might be missing. fixes https://github.com/official-stockfish/Stockfish/issues/2757 closes https://github.com/official-stockfish/Stockfish/pull/3088 no functional change
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