Dev Builds » 20250228-0850

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 06:43:54 583951 4000 1658 469 1873 +106.49 ± 4.7 0 55 722 1202 21 +232.26 ± 12.62
ncm-dbt-02 06:45:51 585931 4000 1659 471 1870 +106.39 ± 4.92 0 80 678 1216 26 +230.69 ± 13.08
ncm-dbt-03 06:46:44 586654 4010 1636 485 1889 +102.61 ± 4.8 1 62 753 1163 26 +220.68 ± 12.36
ncm-dbt-04 06:46:04 570720 4000 1607 471 1922 +101.46 ± 4.86 1 77 726 1177 19 +219.36 ± 12.63
ncm-dbt-05 06:46:42 584017 3990 1590 489 1911 +98.42 ± 4.82 0 74 765 1137 19 +211.06 ± 12.27
20000 8150 2385 9465 +103.07 ± 2.16 2 348 3644 5895 111 +222.72 ± 5.63

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
402075 ncm-dbt-03 586350 10 5 1 4 +147.0 ± 148.24 0 0 2 2 1 +240.65 ± 570.11
402074 ncm-dbt-05 582611 490 198 65 227 +96.73 ± 13.33 0 7 100 136 2 +207.31 ± 33.9
402073 ncm-dbt-04 571592 500 214 66 220 +106.01 ± 14.04 0 10 86 150 4 +228.08 ± 36.98
402072 ncm-dbt-02 587452 500 209 63 228 +104.49 ± 14.19 0 13 80 155 2 +228.08 ± 38.34
402071 ncm-dbt-03 584958 500 206 67 227 +99.2 ± 13.99 1 7 98 140 4 +211.87 ± 34.38
402070 ncm-dbt-01 586604 500 213 61 226 +109.07 ± 13.56 0 9 82 157 2 +240.82 ± 37.9
402069 ncm-dbt-05 586223 500 208 65 227 +102.22 ± 13.54 0 5 103 136 6 +213.85 ± 33.21
402068 ncm-dbt-02 585253 500 193 55 252 +98.44 ± 13.98 0 10 96 140 4 +207.95 ± 34.86
402067 ncm-dbt-03 584706 500 206 62 232 +102.97 ± 13.54 0 7 96 143 4 +219.87 ± 34.73
402066 ncm-dbt-04 572679 500 207 58 235 +106.77 ± 13.23 0 6 92 149 3 +232.26 ± 35.5
402065 ncm-dbt-01 584790 500 205 57 238 +106.01 ± 14.2 0 9 90 145 6 +223.94 ± 36.07
402064 ncm-dbt-05 584706 500 200 56 244 +102.97 ± 13.38 0 10 86 154 0 +228.08 ± 36.98
402063 ncm-dbt-02 586774 500 217 51 232 +119.89 ± 13.68 0 10 66 172 2 +273.0 ± 42.27
402062 ncm-dbt-03 586350 500 189 65 246 +88.0 ± 13.81 0 12 104 132 2 +185.33 ± 33.42
402061 ncm-dbt-04 570029 500 203 62 235 +100.7 ± 13.36 0 10 89 151 0 +221.9 ± 36.31
402060 ncm-dbt-01 584285 500 199 63 238 +96.94 ± 13.0 0 7 101 141 1 +209.91 ± 33.74
402059 ncm-dbt-05 582485 500 197 62 241 +96.19 ± 13.8 0 12 92 145 1 +207.95 ± 35.71
402058 ncm-dbt-02 586774 500 207 63 230 +102.97 ± 14.02 0 10 90 146 4 +219.87 ± 36.1
402057 ncm-dbt-01 581610 500 213 63 224 +107.54 ± 12.53 0 4 93 152 1 +238.66 ± 35.13
402056 ncm-dbt-04 569071 500 198 57 245 +100.7 ± 13.53 0 10 90 149 1 +219.87 ± 36.1
402055 ncm-dbt-03 586350 500 207 60 233 +105.25 ± 14.04 0 10 87 149 4 +226.0 ± 36.75
402054 ncm-dbt-05 585548 500 184 61 255 +87.26 ± 14.1 0 12 107 127 4 +179.9 ± 32.89
402053 ncm-dbt-02 584664 500 214 56 230 +113.68 ± 14.38 0 11 75 159 5 +247.41 ± 39.65
402052 ncm-dbt-01 580406 500 201 58 241 +102.22 ± 14.18 0 10 92 143 5 +215.85 ± 35.68
402051 ncm-dbt-04 570268 500 194 52 254 +101.46 ± 13.53 0 9 92 147 2 +219.87 ± 35.65
402050 ncm-dbt-03 586393 500 204 55 241 +106.77 ± 13.39 0 6 93 147 4 +230.16 ± 35.29
402049 ncm-dbt-05 581194 500 198 61 241 +97.69 ± 14.13 0 13 89 146 2 +209.91 ± 36.34
402048 ncm-dbt-01 586604 500 217 52 231 +119.11 ± 12.99 0 6 75 167 2 +270.57 ± 39.67
402047 ncm-dbt-02 583154 500 212 62 226 +107.54 ± 13.06 0 4 96 146 4 +232.26 ± 34.5
402046 ncm-dbt-03 588260 500 211 66 223 +103.73 ± 13.22 0 6 96 145 3 +223.94 ± 34.66
402045 ncm-dbt-04 570029 500 203 58 239 +103.73 ± 14.5 0 12 86 147 5 +219.87 ± 36.98
402044 ncm-dbt-05 585759 500 205 55 240 +107.54 ± 13.06 0 6 90 152 2 +236.51 ± 35.94
402043 ncm-dbt-01 583028 500 199 53 248 +104.49 ± 12.88 0 6 93 150 1 +230.16 ± 35.29
402042 ncm-dbt-02 585970 500 205 53 242 +109.07 ± 13.89 0 11 78 159 2 +240.82 ± 38.87
402041 ncm-dbt-04 571070 500 198 70 232 +90.97 ± 14.47 1 12 98 136 3 +192.71 ± 34.55
402040 ncm-dbt-03 587197 500 199 46 255 +109.83 ± 13.4 0 7 86 154 3 +240.82 ± 36.9
402039 ncm-dbt-01 584285 500 211 62 227 +106.77 ± 12.88 0 4 96 147 3 +232.26 ± 34.5
402038 ncm-dbt-05 583614 500 200 64 236 +96.94 ± 13.49 0 9 98 141 2 +207.95 ± 34.43
402037 ncm-dbt-04 571029 500 190 48 262 +101.46 ± 13.2 0 8 93 148 1 +221.9 ± 35.4
402036 ncm-dbt-03 589326 500 209 63 228 +104.49 ± 13.05 0 7 91 151 1 +230.16 ± 35.78
402035 ncm-dbt-02 587409 500 202 68 230 +95.44 ± 13.94 0 11 97 139 3 +202.15 ± 34.7

Commit

Commit ID f3bfce353168b03e4fedce515de1898c691f81ec
Author xu-shawn
Date 2025-02-28 08:50:59 UTC
Revert "Replace aligned() function with line_bb() and simplify king piece detection" (#5915) closes https://github.com/official-stockfish/Stockfish/pull/5915 No functional change Co-authored-by: Robert Nürnberg <robert.nurnberg@gmx.de>
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