Dev Builds » 20190427-0931

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 06:26:07 585046 4000 44 2753 1203 -286.29 ± 7.55 768 1173 59 0 0 -729.9 ± 45.28
ncm-dbt-02 06:27:01 586886 3998 39 2704 1255 -279.53 ± 7.17 717 1231 51 0 0 -755.47 ± 48.88
ncm-dbt-03 06:26:21 585222 4004 38 2757 1209 -287.46 ± 7.43 763 1194 44 1 0 -773.89 ± 52.82
ncm-dbt-04 06:25:05 568715 4000 54 2731 1215 -281.21 ± 7.44 742 1195 61 2 0 -712.81 ± 44.45
ncm-dbt-05 06:26:57 585472 3998 35 2750 1213 -287.48 ± 7.48 766 1183 50 0 0 -758.96 ± 49.39
20000 210 13695 6095 -284.37 ± 3.31 3756 5976 265 3 0 -744.85 ± 21.01

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
474031 ncm-dbt-03 584790 4 0 3 1 -336.56 ± 527.33 1 1 0 0 0 -1199.83 ± 312.71
474030 ncm-dbt-02 585843 498 6 318 174 -255.58 ± 17.91 71 170 8 0 0 -714.8 ± 146.53
474029 ncm-dbt-05 580987 498 3 348 147 -296.45 ± 21.59 100 145 4 0 0 -836.58 ± 241.29
474028 ncm-dbt-04 568196 500 7 351 142 -293.28 ± 23.02 104 136 10 0 0 -676.04 ± 124.55
474027 ncm-dbt-01 584622 500 5 336 159 -276.68 ± 19.86 87 157 6 0 0 -766.17 ± 188.02
474026 ncm-dbt-03 583866 500 6 344 150 -285.49 ± 21.79 96 147 6 1 0 -715.55 ± 177.2
474025 ncm-dbt-02 586604 500 5 345 150 -288.06 ± 21.2 96 148 6 0 0 -766.17 ± 188.02
474024 ncm-dbt-05 599362 500 2 340 158 -285.48 ± 19.96 91 156 3 0 0 -887.58 ± 222.18
474023 ncm-dbt-01 585928 500 10 347 143 -284.21 ± 22.22 98 141 11 0 0 -659.13 ± 116.77
474022 ncm-dbt-04 568872 500 2 337 161 -281.67 ± 19.84 89 157 4 0 0 -837.28 ± 240.94
474021 ncm-dbt-03 584117 500 5 348 147 -291.96 ± 21.34 98 147 5 0 0 -798.18 ± 231.48
474020 ncm-dbt-05 584958 500 3 343 154 -288.06 ± 20.58 94 152 4 0 0 -837.28 ± 240.94
474019 ncm-dbt-01 586266 500 5 344 151 -286.77 ± 21.35 96 147 7 0 0 -739.05 ± 163.27
474018 ncm-dbt-02 587070 500 1 338 161 -284.21 ± 19.82 90 157 3 0 0 -887.58 ± 222.18
474017 ncm-dbt-04 569949 500 6 336 158 -275.45 ± 20.3 87 157 5 1 0 -739.1 ± 208.89
474016 ncm-dbt-03 586393 500 5 344 151 -286.77 ± 21.05 95 149 6 0 0 -766.17 ± 188.02
474015 ncm-dbt-05 586097 500 7 351 142 -293.28 ± 22.42 102 140 8 0 0 -715.51 ± 146.53
474014 ncm-dbt-01 585717 500 3 328 169 -269.36 ± 18.08 78 169 3 0 0 -887.58 ± 222.18
474013 ncm-dbt-02 587070 500 5 351 144 -295.93 ± 22.12 102 142 6 0 0 -766.17 ± 188.02
474012 ncm-dbt-04 568315 500 8 342 150 -280.42 ± 21.76 94 147 8 1 0 -676.08 ± 142.43
474011 ncm-dbt-03 585169 500 4 339 157 -281.67 ± 19.84 89 157 4 0 0 -837.28 ± 240.94
474010 ncm-dbt-05 583321 500 8 327 165 -262.24 ± 19.26 79 161 10 0 0 -676.04 ± 124.55
474009 ncm-dbt-01 581194 500 2 340 158 -285.48 ± 21.2 95 148 7 0 0 -739.05 ± 163.27
474008 ncm-dbt-03 585506 500 6 351 143 -294.6 ± 22.27 102 141 7 0 0 -739.05 ± 163.27
474007 ncm-dbt-04 566296 500 8 351 141 -291.96 ± 22.56 102 139 9 0 0 -694.7 ± 134.18
474006 ncm-dbt-02 588302 500 4 322 174 -261.07 ± 17.68 73 172 5 0 0 -798.18 ± 231.48
474005 ncm-dbt-05 583866 500 5 345 150 -288.06 ± 21.8 98 144 8 0 0 -715.51 ± 146.53
474004 ncm-dbt-01 585506 500 5 347 148 -290.65 ± 22.41 101 140 9 0 0 -694.7 ± 134.18
474003 ncm-dbt-03 587282 500 6 343 151 -284.21 ± 21.05 94 149 7 0 0 -739.05 ± 163.27
474002 ncm-dbt-04 570949 500 6 345 149 -286.77 ± 21.05 95 149 6 0 0 -766.17 ± 188.02
474001 ncm-dbt-02 588856 500 4 350 146 -295.93 ± 21.48 100 146 4 0 0 -837.28 ± 240.94
474000 ncm-dbt-01 585548 500 9 359 132 -301.32 ± 23.98 110 130 10 0 0 -676.04 ± 124.55
473999 ncm-dbt-03 585970 500 5 342 153 -284.21 ± 21.05 94 149 7 0 0 -739.05 ± 163.27
473998 ncm-dbt-02 585464 500 7 344 149 -284.21 ± 21.64 96 145 9 0 0 -694.7 ± 134.18
473997 ncm-dbt-05 580987 500 3 355 142 -304.06 ± 22.74 107 138 5 0 0 -798.18 ± 231.48
473996 ncm-dbt-04 569151 500 11 333 156 -265.77 ± 20.24 84 154 12 0 0 -643.67 ± 110.29
473995 ncm-dbt-01 585590 500 5 352 143 -297.27 ± 22.27 103 141 6 0 0 -766.17 ± 188.02
473994 ncm-dbt-03 583908 500 1 343 156 -290.65 ± 20.23 94 154 2 0 0 -958.31 ± 196.57
473993 ncm-dbt-04 567997 500 6 336 158 -275.44 ± 20.01 87 156 7 0 0 -739.05 ± 163.27
473992 ncm-dbt-02 585885 500 7 336 157 -274.22 ± 20.72 89 151 10 0 0 -676.04 ± 124.55
473991 ncm-dbt-05 584201 500 4 341 155 -284.21 ± 21.35 95 147 8 0 0 -715.51 ± 146.53

Commit

Commit ID 9a11a291942a8a7b1ebb36282c666ca8d1be1892
Author Michael Chaly
Date 2019-04-27 09:31:55 UTC
Include bishop protection in king Danger evaluation. #2118 Same idea as fisherman's knight protection. passed STC LLR: 2.96 (-2.94,2.94) [0.50,4.50] Total: 17133 W: 3952 L: 3701 D: 9480 http://tests.stockfishchess.org/tests/view/5cc3550b0ebc5925cf02dada passed LTC LLR: 2.95 (-2.94,2.94) [0.00,3.50] Total: 37316 W: 6470 L: 6188 D: 24658 http://tests.stockfishchess.org/tests/view/5cc3721d0ebc5925cf02dc90 Looking at this 2 ideas being recent clean elo gainers I have a feeling that we can add also rook and queen protection bonuses or overall move this stuff in pieces loop in the same way as we do pieces attacking bonuses on their kingring... :) Thx fisherman for original idea. Bench 3429173
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