Dev Builds » 20230101-1124

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 14. 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 05:02:11 1195636 1666 663 161 842 +108.04 +/- 7.7 0 33 279 507 14 +233.23 +/- 20.43
ncm-dbt-02 04:59:53 1239500 1660 675 175 810 +108.0 +/- 7.64 0 31 281 505 13 +233.72 +/- 20.35
ncm-dbt-03 05:01:49 1226521 1668 658 178 832 +102.89 +/- 7.66 0 36 292 496 10 +221.67 +/- 19.96
ncm-dbt-04 05:01:04 1235988 1672 663 181 828 +103.08 +/- 7.87 0 38 295 486 17 +217.96 +/- 19.86
ncm-dbt-05 04:59:46 1226743 1662 680 172 810 +109.7 +/- 7.56 0 28 280 510 13 +238.48 +/- 20.38
ncm-dbt-06 05:02:42 1227536 1672 678 188 806 +104.89 +/- 7.52 0 30 297 498 11 +226.5 +/- 19.77
ncm-et-3 06:23:40 1306726 1668 681 174 813 +109.05 +/- 7.65 0 30 282 507 15 +235.41 +/- 20.31
ncm-et-4 06:24:15 1296502 1658 636 160 862 +102.63 +/- 7.84 1 32 303 476 17 +217.29 +/- 19.57
ncm-et-9 06:24:48 1301293 1670 676 193 801 +103.44 +/- 8.44 0 56 262 495 22 +215.89 +/- 20.98
ncm-et-10 06:23:38 1299593 1674 683 179 812 +107.95 +/- 7.91 0 38 275 506 18 +230.5 +/- 20.58
ncm-et-13 06:23:38 1302179 1660 674 174 812 +108.0 +/- 8.11 1 34 284 486 25 +226.78 +/- 20.25
ncm-et-15 06:23:57 1300773 1670 665 195 810 +100.49 +/- 7.97 0 39 307 469 20 +209.38 +/- 19.46
20000 8032 2130 9838 +105.67 +/- 2.26 2 425 3437 5941 195 +225.44 +/- 5.81

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
194950 ncm-dbt-02 1244012 160 63 18 79 +100.42 +/- 25.24 0 5 25 50 0 +221.14 +/- 69.63
194949 ncm-dbt-05 1218225 162 62 21 79 +89.88 +/- 27.85 0 7 28 44 2 +182.37 +/- 65.31
194948 ncm-dbt-03 1223080 168 62 13 93 +104.36 +/- 25.28 0 5 26 52 1 +225.71 +/- 68.26
194947 ncm-dbt-06 1211973 172 75 18 79 +119.65 +/- 23.25 0 3 24 58 1 +270.07 +/- 71.72
194946 ncm-dbt-01 1204364 166 71 16 79 +119.62 +/- 24.68 0 4 21 57 1 +269.73 +/- 76.45
194945 ncm-dbt-04 1233227 172 62 18 92 +90.89 +/- 26.0 0 5 35 43 3 +180.24 +/- 58.38
194944 ncm-dbt-06 1229877 500 199 48 253 +108.3 +/- 13.06 0 7 86 156 1 +240.82 +/- 36.9
194943 ncm-dbt-02 1233650 500 210 60 230 +107.54 +/- 13.56 0 7 90 149 4 +232.26 +/- 35.99
194942 ncm-dbt-01 1208803 500 198 51 251 +105.25 +/- 14.2 0 8 94 141 7 +219.87 +/- 35.19
194941 ncm-dbt-05 1214755 500 202 56 242 +104.49 +/- 13.39 0 7 93 147 3 +226.0 +/- 35.35
194940 ncm-dbt-03 1224273 500 194 51 255 +102.22 +/- 13.54 0 10 88 151 1 +223.94 +/- 36.53
194939 ncm-dbt-04 1245832 500 206 56 238 +107.54 +/- 15.42 0 16 75 152 7 +226.0 +/- 39.42
194938 ncm-dbt-05 1225218 500 205 54 241 +108.3 +/- 13.06 0 7 86 156 1 +240.82 +/- 36.9
194937 ncm-dbt-02 1227474 500 198 51 251 +105.25 +/- 13.88 0 10 86 151 3 +228.08 +/- 36.98
194936 ncm-dbt-03 1233412 500 197 53 250 +102.97 +/- 14.49 0 12 87 146 5 +217.85 +/- 36.77
194935 ncm-dbt-06 1240241 500 197 54 249 +102.22 +/- 14.63 0 13 86 146 5 +215.85 +/- 36.98
194934 ncm-dbt-04 1240384 500 196 44 260 +109.07 +/- 13.56 0 8 85 154 3 +238.66 +/- 37.17
194933 ncm-dbt-01 1176396 500 194 46 260 +106.01 +/- 14.36 0 13 79 155 3 +230.16 +/- 38.58
194932 ncm-dbt-04 1224511 500 199 63 238 +96.94 +/- 13.81 0 9 100 137 4 +204.07 +/- 34.04
194931 ncm-dbt-02 1252864 500 204 46 250 +113.68 +/- 14.22 0 9 80 155 6 +245.2 +/- 38.39
194930 ncm-dbt-05 1248775 500 211 41 248 +123.02 +/- 13.99 0 7 73 163 7 +270.57 +/- 40.25
194929 ncm-dbt-03 1225320 500 205 61 234 +102.97 +/- 13.71 0 9 91 147 3 +221.9 +/- 35.86
194928 ncm-dbt-06 1228056 500 207 68 225 +99.2 +/- 13.51 0 7 101 138 4 +209.91 +/- 33.74
194927 ncm-dbt-01 1192984 500 200 48 252 +109.07 +/- 13.56 0 8 85 154 3 +238.66 +/- 37.17
166934 ncm-et-13 1304057 160 64 20 76 +98.06 +/- 29.13 0 8 22 48 2 +202.63 +/- 72.33
166933 ncm-et-4 1295764 158 60 10 88 +113.85 +/- 23.69 0 2 26 50 1 +252.04 +/- 68.48
166932 ncm-et-9 1301170 170 74 19 77 +116.59 +/- 27.44 0 6 21 55 3 +247.28 +/- 75.05
166931 ncm-et-15 1302840 170 70 21 79 +103.06 +/- 21.77 0 2 32 51 0 +228.32 +/- 60.92
166930 ncm-et-10 1300572 174 71 23 80 +98.39 +/- 28.02 0 8 26 50 3 +198.93 +/- 67.11
166929 ncm-et-3 1301570 168 63 15 90 +102.11 +/- 21.92 0 2 32 50 0 +225.71 +/- 60.88
166928 ncm-et-13 1295319 500 203 58 239 +103.73 +/- 13.71 0 8 93 145 4 +221.9 +/- 35.4
166927 ncm-et-4 1297311 500 200 53 247 +105.25 +/- 14.96 0 10 93 137 10 +213.85 +/- 35.47
166926 ncm-et-9 1298214 500 204 65 231 +99.2 +/- 15.04 0 17 81 148 4 +209.91 +/- 37.98
166925 ncm-et-10 1297210 500 204 49 247 +111.37 +/- 14.06 0 9 82 154 5 +240.82 +/- 37.9
166924 ncm-et-15 1289676 500 198 59 243 +99.2 +/- 15.04 0 13 93 136 8 +202.15 +/- 35.52
166923 ncm-et-3 1311773 500 208 50 242 +113.68 +/- 13.38 0 7 81 159 3 +251.89 +/- 38.11
166922 ncm-et-13 1308706 500 221 56 223 +119.11 +/- 15.0 0 8 81 149 12 +247.41 +/- 38.13
166921 ncm-et-9 1301286 500 203 55 242 +106.01 +/- 15.12 0 15 78 151 6 +223.94 +/- 38.75
166920 ncm-et-4 1295401 500 182 56 262 +89.48 +/- 13.84 0 11 105 131 3 +187.16 +/- 33.21
166919 ncm-et-10 1298234 500 205 56 239 +106.77 +/- 13.89 0 9 87 150 4 +230.16 +/- 36.73
166918 ncm-et-15 1305599 500 202 56 242 +104.49 +/- 14.96 0 12 88 142 8 +215.85 +/- 36.55
166917 ncm-et-3 1312635 500 219 58 223 +116.0 +/- 14.21 0 8 80 155 7 +249.64 +/- 38.38
166916 ncm-et-13 1300634 500 186 40 274 +104.49 +/- 14.95 1 10 88 144 7 +219.87 +/- 36.54
166915 ncm-et-9 1304505 500 195 54 251 +100.7 +/- 15.91 0 18 82 141 9 +204.07 +/- 37.72
166914 ncm-et-15 1304980 500 195 59 246 +96.94 +/- 14.27 0 12 94 140 4 +204.07 +/- 35.31
166913 ncm-et-3 1300928 500 191 51 258 +99.95 +/- 14.61 0 13 89 143 5 +209.91 +/- 36.34
166912 ncm-et-10 1302358 500 203 51 246 +109.07 +/- 14.68 0 12 80 152 6 +232.26 +/- 38.36
166911 ncm-et-4 1297535 500 194 41 265 +109.83 +/- 14.21 1 9 79 158 3 +243.0 +/- 38.64

Commit

Commit ID f09b391ceb5ea282538b721b069db67e3b6e098f
Author Sebastian Buchwald
Date 2023-01-01 11:24:42 UTC
Fix comparison with uninitialized variable In both modified methods, the variable 'result' is checked to detect whether the probe operation failed. However, the variable is not initialized on all paths, so the check might test an uninitialized value. A test position (with TB) is given by: position fen 3K1k2/R7/8/8/8/8/8/R6Q w - - 0 1 moves a1b1 f8g8 b1a1 g8f8 a1b1 f8g8 b1a1 This is now fixed by always initializing the variable. closes https://github.com/official-stockfish/Stockfish/pull/4309 No functional change
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