Dev Builds » 20200808-0633

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 06:30:35 582550 3988 66 2530 1392 -250.68 ± 6.44 561 1343 89 1 0 -652.68 ± 36.59
ncm-dbt-02 06:30:21 586538 4000 82 2487 1431 -241.5 ± 6.27 517 1373 109 0 1 -617.81 ± 32.97
ncm-dbt-03 06:30:23 586080 4012 75 2565 1372 -252.25 ± 6.52 578 1335 92 1 0 -647.97 ± 35.97
ncm-dbt-04 06:30:09 568404 4000 64 2534 1402 -250.48 ± 6.42 562 1346 92 0 0 -651.26 ± 35.96
ncm-dbt-05 06:29:31 581333 4000 70 2548 1382 -251.61 ± 6.53 574 1331 94 1 0 -643.7 ± 35.57
20000 357 12664 6979 -249.28 ± 2.88 2792 6728 476 3 1 -642.22 ± 15.64

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
450013 ncm-dbt-03 585379 12 1 8 3 -231.68 ± 168.47 2 3 1 0 0 -416.21 ± 496.36
450012 ncm-dbt-01 580530 488 7 288 193 -227.98 ± 16.38 52 177 15 0 0 -599.48 ± 95.88
450011 ncm-dbt-02 587197 500 9 314 177 -246.3 ± 18.04 68 169 13 0 0 -629.41 ± 104.8
450010 ncm-dbt-04 568196 500 11 338 151 -271.78 ± 21.25 90 147 13 0 0 -629.41 ± 104.8
450009 ncm-dbt-05 579331 500 8 320 172 -254.15 ± 17.97 71 170 9 0 0 -694.7 ± 134.18
450008 ncm-dbt-03 585084 500 6 330 164 -268.16 ± 19.42 82 160 8 0 0 -715.51 ± 146.53
450007 ncm-dbt-01 583531 500 5 331 164 -270.57 ± 19.71 83 161 5 1 0 -739.1 ± 208.89
450006 ncm-dbt-02 586097 500 11 315 174 -245.19 ± 18.16 68 168 14 0 0 -616.18 ± 100.06
450005 ncm-dbt-05 579001 500 10 321 169 -253.02 ± 19.17 74 164 11 1 0 -629.43 ± 115.29
450004 ncm-dbt-04 567601 500 10 298 192 -228.07 ± 15.84 52 184 14 0 0 -616.18 ± 100.06
450003 ncm-dbt-03 586308 500 13 308 179 -235.44 ± 17.12 60 175 15 0 0 -603.84 ± 95.91
450002 ncm-dbt-01 582527 500 6 318 176 -254.15 ± 17.68 70 172 8 0 0 -715.51 ± 146.53
450001 ncm-dbt-05 583279 500 8 321 171 -255.29 ± 19.19 76 161 13 0 0 -629.41 ± 104.8
450000 ncm-dbt-02 588089 500 13 304 183 -231.21 ± 17.05 58 175 17 0 0 -581.38 ± 88.96
449999 ncm-dbt-03 587028 500 12 330 158 -261.07 ± 20.96 85 148 17 0 0 -581.38 ± 88.96
449998 ncm-dbt-04 568395 500 5 312 183 -248.52 ± 16.68 64 179 7 0 0 -739.05 ± 163.27
449997 ncm-dbt-01 582611 500 13 319 168 -247.41 ± 18.96 72 162 16 0 0 -592.27 ± 92.24
449996 ncm-dbt-02 584159 500 6 322 172 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
449995 ncm-dbt-05 580613 500 7 310 183 -244.09 ± 18.01 67 169 14 0 0 -616.18 ± 100.06
449994 ncm-dbt-03 588984 500 11 316 173 -246.3 ± 18.3 69 167 14 0 0 -616.18 ± 100.06
449993 ncm-dbt-04 569789 500 11 303 186 -232.26 ± 16.42 56 180 14 0 0 -616.18 ± 100.06
449992 ncm-dbt-01 581610 500 9 327 164 -261.07 ± 18.83 77 164 9 0 0 -694.7 ± 134.18
449991 ncm-dbt-05 581485 500 7 326 167 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
449990 ncm-dbt-02 587834 500 17 308 175 -231.21 ± 17.54 60 171 19 0 0 -561.34 ± 83.33
449989 ncm-dbt-03 585379 500 7 312 181 -246.3 ± 16.68 63 179 8 0 0 -715.51 ± 146.53
449988 ncm-dbt-04 567839 500 7 323 170 -258.74 ± 20.15 81 154 15 0 0 -603.84 ± 95.91
449987 ncm-dbt-01 583908 500 11 326 163 -257.59 ± 18.95 76 163 11 0 0 -659.13 ± 116.77
449986 ncm-dbt-05 583489 500 11 319 170 -249.64 ± 18.47 71 166 13 0 0 -629.41 ± 104.8
449985 ncm-dbt-02 584537 500 9 299 192 -230.16 ± 15.6 52 186 12 0 0 -643.67 ± 110.29
449984 ncm-dbt-03 585000 500 10 319 171 -250.76 ± 19.13 73 164 12 1 0 -616.2 ± 109.19
449983 ncm-dbt-04 572034 500 4 317 179 -255.29 ± 17.25 69 175 6 0 0 -766.17 ± 188.02
449982 ncm-dbt-05 581277 500 10 308 182 -238.65 ± 16.49 59 180 11 0 0 -659.13 ± 116.77
449981 ncm-dbt-01 581652 500 8 316 176 -249.64 ± 18.21 70 168 12 0 0 -643.67 ± 110.29
449980 ncm-dbt-02 587622 500 7 314 179 -248.52 ± 18.06 69 169 12 0 0 -643.67 ± 110.29
449979 ncm-dbt-03 585674 500 4 329 167 -269.36 ± 18.69 80 165 5 0 0 -798.18 ± 231.48
449978 ncm-dbt-04 567482 500 8 316 176 -249.64 ± 17.94 69 170 11 0 0 -659.13 ± 116.77
449977 ncm-dbt-05 582193 500 9 323 168 -256.44 ± 19.34 77 160 13 0 0 -629.41 ± 104.8
449976 ncm-dbt-01 584034 500 7 305 188 -238.65 ± 17.03 61 176 13 0 0 -629.41 ± 104.8
449975 ncm-dbt-03 585885 500 11 313 176 -243.0 ± 17.34 64 174 12 0 0 -643.67 ± 110.29
449974 ncm-dbt-02 586774 500 10 311 179 -241.91 ± 18.73 66 171 12 0 1 -616.2 ± 109.19
449973 ncm-dbt-04 565902 500 8 327 165 -262.24 ± 19.8 81 157 12 0 0 -643.67 ± 110.29

Commit

Commit ID f4c27cda1a6874550fcbf6cf991b0b9abe43ff39
Author SFisGOD
Date 2020-08-08 06:33:24 UTC
Reintroduce late irreversible move extension Reintroduce vondele's late irreversible move extension for fortress keeping. This was removed when we only had classical eval. Now that we have the NNUE net, it seems that this is useful again. STC: LLR: 2.93 (-2.94,2.94) {-0.50,1.50} Total: 5352 W: 787 L: 653 D: 3912 Ptnml(0-2): 34, 451, 1579, 571, 41 https://tests.stockfishchess.org/tests/view/5f2dc8ad61e3b6af64881ff0 LTC: LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 14416 W: 1013 L: 891 D: 12512 Ptnml(0-2): 15, 722, 5623, 822, 26 https://tests.stockfishchess.org/tests/view/5f2e0e3661e3b6af6488201e closes https://github.com/official-stockfish/Stockfish/pull/2936 Bench: 4154696
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