Dev Builds » 20200125-0844

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 06:27:08 583501 4010 47 2583 1380 -258.99 ± 6.53 601 1335 68 1 0 -700.16 ± 42.05
ncm-dbt-02 06:24:54 585441 4000 55 2578 1367 -258.03 ± 6.56 599 1325 76 0 0 -685.16 ± 39.69
ncm-dbt-03 06:26:28 585994 4000 40 2584 1376 -261.07 ± 6.43 599 1346 55 0 0 -742.27 ± 46.97
ncm-dbt-04 06:27:13 567797 4022 55 2624 1343 -262.67 ± 6.85 641 1289 79 2 0 -670.52 ± 38.89
ncm-dbt-05 06:26:24 580817 3968 52 2538 1378 -255.59 ± 6.52 580 1327 76 1 0 -679.14 ± 39.69
20000 249 12907 6844 -259.27 ± 2.94 3020 6622 354 4 0 -693.76 ± 18.16

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
452009 ncm-dbt-01 585379 10 0 6 4 -240.47 ± 101.72 1 4 0 0 0 -1199.83 ± 231.31
452008 ncm-dbt-04 566217 22 0 15 7 -289.03 ± 98.49 4 7 0 0 0 -1199.83 ± 162.17
452007 ncm-dbt-05 577889 468 2 322 144 -290.5 ± 20.94 88 144 2 0 0 -946.77 ± 202.36
452006 ncm-dbt-03 586731 500 1 325 174 -268.16 ± 18.24 78 168 4 0 0 -837.28 ± 240.94
452005 ncm-dbt-01 582235 500 3 329 168 -270.57 ± 18.53 80 166 4 0 0 -837.28 ± 240.94
452004 ncm-dbt-02 582402 500 3 308 189 -246.3 ± 15.8 60 185 5 0 0 -798.18 ± 231.48
452003 ncm-dbt-04 567126 500 8 330 162 -265.77 ± 19.69 82 158 10 0 0 -676.04 ± 124.55
452002 ncm-dbt-05 581402 500 8 316 176 -249.64 ± 18.73 72 164 14 0 0 -616.18 ± 100.06
452001 ncm-dbt-03 587749 500 12 327 161 -257.59 ± 19.75 79 157 14 0 0 -616.18 ± 100.06
452000 ncm-dbt-02 587537 500 7 324 169 -259.9 ± 19.24 78 161 11 0 0 -659.13 ± 116.77
451999 ncm-dbt-01 583363 500 9 322 169 -255.29 ± 19.19 76 161 13 0 0 -629.41 ± 104.8
451998 ncm-dbt-04 568196 500 8 325 167 -259.9 ± 19.24 77 164 8 1 0 -676.08 ± 142.43
451997 ncm-dbt-05 580489 500 5 329 166 -268.16 ± 19.13 81 162 7 0 0 -739.05 ± 163.27
451996 ncm-dbt-02 581277 500 5 327 168 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
451995 ncm-dbt-03 584916 500 2 321 177 -262.24 ± 17.52 73 173 4 0 0 -837.28 ± 240.94
451994 ncm-dbt-01 583572 500 4 322 174 -261.07 ± 18.26 75 168 7 0 0 -739.05 ± 163.27
451993 ncm-dbt-04 566414 500 10 322 168 -254.15 ± 19.05 75 162 13 0 0 -629.41 ± 104.8
451992 ncm-dbt-05 577356 500 10 308 182 -238.66 ± 18.05 64 171 14 1 0 -592.29 ± 99.42
451991 ncm-dbt-02 587325 500 5 318 177 -255.29 ± 17.54 70 173 7 0 0 -739.05 ± 163.27
451990 ncm-dbt-01 582360 500 4 319 177 -257.59 ± 17.83 72 171 7 0 0 -739.05 ± 163.27
451989 ncm-dbt-03 587155 500 2 319 179 -259.9 ± 16.93 70 177 3 0 0 -887.58 ± 222.18
451988 ncm-dbt-04 568395 500 6 328 166 -265.78 ± 20.77 85 153 11 1 0 -629.43 ± 115.29
451987 ncm-dbt-05 583112 500 5 318 177 -255.29 ± 18.11 72 169 9 0 0 -694.7 ± 134.18
451986 ncm-dbt-02 586901 500 6 333 161 -271.78 ± 19.28 83 161 6 0 0 -766.17 ± 188.02
451985 ncm-dbt-03 584874 500 7 312 181 -246.3 ± 16.39 62 181 7 0 0 -739.05 ± 163.27
451984 ncm-dbt-01 583531 500 10 321 169 -253.02 ± 18.64 73 165 12 0 0 -643.67 ± 110.29
451983 ncm-dbt-04 570228 500 6 331 163 -269.36 ± 20.13 85 155 10 0 0 -676.04 ± 124.55
451982 ncm-dbt-05 581569 500 10 326 164 -258.74 ± 19.36 78 160 12 0 0 -643.67 ± 110.29
451981 ncm-dbt-02 585843 500 6 322 172 -258.74 ± 18.82 76 164 10 0 0 -676.04 ± 124.55
451980 ncm-dbt-03 583112 500 6 321 173 -257.59 ± 18.4 74 167 9 0 0 -694.7 ± 134.18
451979 ncm-dbt-01 584916 500 5 330 165 -269.36 ± 19.28 82 161 7 0 0 -739.05 ± 163.27
451978 ncm-dbt-04 567363 500 3 327 170 -268.16 ± 18.84 80 164 6 0 0 -766.17 ± 188.02
451977 ncm-dbt-05 582569 500 5 312 183 -248.52 ± 17.25 66 175 9 0 0 -694.7 ± 134.18
451976 ncm-dbt-02 587664 500 13 334 153 -264.59 ± 21.4 88 145 17 0 0 -581.38 ± 88.96
451975 ncm-dbt-03 586520 500 6 328 166 -265.77 ± 19.13 80 162 8 0 0 -715.51 ± 146.53
451974 ncm-dbt-01 581070 500 6 322 172 -258.74 ± 17.98 73 170 7 0 0 -739.05 ± 163.27
451973 ncm-dbt-04 568752 500 6 329 165 -266.96 ± 19.56 82 159 9 0 0 -694.7 ± 134.18
451972 ncm-dbt-05 582152 500 7 307 186 -240.82 ± 16.23 59 182 9 0 0 -694.7 ± 134.18
451971 ncm-dbt-02 584579 500 10 312 178 -243.0 ± 17.34 64 174 12 0 0 -643.67 ± 110.29
451970 ncm-dbt-01 585084 500 6 312 182 -247.41 ± 18.44 69 169 11 1 0 -629.43 ± 115.29
451969 ncm-dbt-03 586901 500 4 331 165 -271.78 ± 19.28 83 161 6 0 0 -766.17 ± 188.02
451968 ncm-dbt-04 567482 500 8 317 175 -250.76 ± 18.35 71 167 12 0 0 -643.67 ± 110.29

Commit

Commit ID 0ae00454ba6928d181b46103e5c83e6d58fcebe5
Author Lolligerhans
Date 2020-01-25 08:44:09 UTC
Tweak RestrictedPiece bonus Double the "RestrictedPiece" bonus for restricted moves targeting occupied squares. STC LLR: 3.58 (-2.94,2.94) {-1.00,3.00} Total: 25504 W: 4887 L: 4697 D: 15920 Ptnml(0-2): 387, 2935, 5947, 3051, 422 https://tests.stockfishchess.org/tests/view/5e2aa15dab2d69d58394f94d LTC LLR: 2.94 (-2.94,2.94) {0.00,2.00} Total: 28572 W: 3826 L: 3621 D: 21125 Ptnml(0-2): 224, 2609, 8403, 2791, 239 https://tests.stockfishchess.org/tests/view/5e2ae7f4ab2d69d58394f9a6 Bench: 4719086
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