Dev Builds » 20230911-2030

You are viewing an old NCM Stockfish dev build test. You may find the most recent dev build tests using Stockfish 15 as the baseline here.

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 09:55:24 1218395 3332 1422 258 1652 +126.71 ± 5.21 0 35 472 1119 40 +284.64 ± 15.68
ncm-dbt-02 09:52:19 1194464 3314 1423 283 1608 +124.6 ± 5.28 2 41 461 1121 32 +281.61 ± 15.88
ncm-dbt-03 09:56:01 1233532 3346 1439 308 1599 +122.25 ± 5.29 0 41 501 1090 41 +270.28 ± 15.22
ncm-dbt-04 09:55:37 1229678 3344 1421 278 1645 +123.73 ± 5.35 1 47 470 1116 38 +276.37 ± 15.73
ncm-dbt-05 09:51:36 1228929 3312 1414 276 1622 +124.44 ± 5.29 0 41 474 1103 38 +278.08 ± 15.66
ncm-dbt-06 09:54:29 1230125 3352 1446 317 1589 +121.77 ± 5.46 1 50 491 1087 47 +267.08 ± 15.39
20000 8565 1720 9715 +123.91 ± 2.17 4 255 2869 6636 236 +276.25 ± 6.36

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
202910 ncm-dbt-05 1230002 312 142 28 142 +133.09 ± 17.6 0 2 45 102 7 +291.9 ± 51.44
202909 ncm-dbt-02 1193613 314 131 24 159 +123.32 ± 16.67 0 3 47 104 3 +276.95 ± 50.36
202908 ncm-dbt-01 1228155 332 146 28 158 +129.12 ± 17.61 0 5 44 111 6 +284.66 ± 52.23
202907 ncm-dbt-06 1253089 352 160 41 151 +122.26 ± 16.73 0 4 55 111 6 +264.62 ± 46.43
202906 ncm-dbt-03 1238764 346 147 31 168 +121.16 ± 17.79 0 7 49 111 6 +260.98 ± 49.3
202905 ncm-dbt-04 1242759 344 145 27 172 +124.21 ± 15.73 0 4 48 118 2 +284.48 ± 49.93
202904 ncm-dbt-05 1223104 500 204 54 242 +107.54 ± 13.89 0 11 80 157 2 +236.51 ± 38.38
202903 ncm-dbt-01 1187033 500 222 39 239 +133.34 ± 13.26 0 4 66 173 7 +304.07 ± 42.38
202902 ncm-dbt-02 1195738 500 215 39 246 +127.76 ± 13.39 0 6 67 172 5 +290.66 ± 42.08
202901 ncm-dbt-06 1220632 500 209 45 246 +118.33 ± 14.68 0 10 74 158 8 +254.16 ± 39.94
202900 ncm-dbt-04 1220306 500 214 39 247 +126.97 ± 14.28 1 8 61 175 5 +290.66 ± 44.0
202899 ncm-dbt-03 1225140 500 219 47 234 +124.6 ± 13.8 0 8 67 170 5 +280.42 ± 42.05
202898 ncm-dbt-05 1239266 500 204 45 251 +114.45 ± 14.69 0 11 76 156 7 +245.2 ± 39.38
202897 ncm-dbt-01 1234183 500 217 27 256 +138.99 ± 12.7 0 3 60 181 6 +327.18 ± 44.54
202896 ncm-dbt-02 1193555 500 220 44 236 +127.76 ± 13.02 0 6 65 176 3 +295.94 ± 42.75
202895 ncm-dbt-06 1236773 500 222 56 222 +119.89 ± 13.16 0 6 75 166 3 +270.57 ± 39.67
202894 ncm-dbt-03 1247212 500 221 48 231 +125.38 ± 12.89 0 3 76 166 5 +282.94 ± 39.21
202893 ncm-dbt-04 1224763 500 213 37 250 +127.76 ± 13.21 0 6 66 174 4 +293.29 ± 42.41
202892 ncm-dbt-05 1235663 500 225 44 231 +131.74 ± 12.93 0 4 66 175 5 +304.07 ± 42.38
202891 ncm-dbt-01 1194706 500 212 35 253 +128.55 ± 12.82 0 5 66 176 3 +298.62 ± 42.41
202890 ncm-dbt-06 1215000 500 207 56 237 +108.3 ± 15.13 1 12 78 153 6 +232.26 ± 38.82
202889 ncm-dbt-02 1191320 500 216 36 248 +130.94 ± 13.69 1 3 68 171 7 +298.62 ± 41.71
202888 ncm-dbt-04 1236493 500 208 38 254 +123.02 ± 13.82 0 7 72 165 6 +273.0 ± 40.54
202887 ncm-dbt-03 1241640 500 213 44 243 +122.24 ± 13.83 0 7 73 164 6 +270.57 ± 40.25
202886 ncm-dbt-05 1238758 500 203 39 258 +118.33 ± 12.06 0 2 83 164 1 +270.57 ± 37.24
202885 ncm-dbt-02 1195497 500 202 48 250 +110.6 ± 14.53 1 9 80 155 5 +240.82 ± 38.39
202884 ncm-dbt-04 1208844 500 219 48 233 +123.81 ± 14.48 0 8 72 161 9 +268.17 ± 40.54
202883 ncm-dbt-06 1224711 500 213 45 242 +121.45 ± 13.84 0 8 71 166 5 +270.57 ± 40.83
202882 ncm-dbt-01 1228820 500 215 39 246 +127.76 ± 13.75 0 3 78 159 10 +277.93 ± 38.66
202881 ncm-dbt-03 1220430 500 207 50 243 +112.91 ± 13.73 0 5 90 148 7 +240.82 ± 35.87
202880 ncm-dbt-05 1208388 500 213 36 251 +128.55 ± 13.73 0 6 68 169 7 +288.06 ± 41.76
202879 ncm-dbt-04 1240697 500 210 38 252 +124.6 ± 13.27 0 6 70 170 4 +282.94 ± 41.13
202878 ncm-dbt-02 1191097 500 220 40 240 +130.94 ± 13.14 0 5 65 175 5 +301.33 ± 42.75
202877 ncm-dbt-06 1242046 500 221 32 247 +138.18 ± 12.33 0 1 65 178 6 +324.17 ± 42.47
202876 ncm-dbt-03 1217815 500 213 38 249 +126.97 ± 13.94 0 6 71 165 8 +280.42 ± 40.83
202875 ncm-dbt-01 1225289 500 208 48 244 +115.22 ± 13.88 0 9 76 161 4 +254.16 ± 39.42
202874 ncm-dbt-06 1218630 500 214 42 244 +124.6 ± 15.28 0 9 73 155 13 +261.07 ± 40.24
202873 ncm-dbt-05 1227323 500 223 30 247 +141.44 ± 13.59 0 5 56 180 9 +327.18 ± 46.19
202872 ncm-dbt-02 1200429 500 219 52 229 +120.67 ± 13.84 0 9 69 168 4 +270.57 ± 41.4
202871 ncm-dbt-04 1233890 500 212 51 237 +116.0 ± 14.37 0 8 81 153 8 +247.41 ± 38.13
202870 ncm-dbt-01 1230582 500 202 42 256 +115.22 ± 13.38 0 6 82 158 4 +254.16 ± 37.82
202869 ncm-dbt-03 1243726 500 219 50 231 +122.24 ± 13.12 0 5 75 166 4 +275.45 ± 39.63

Commit

Commit ID 6d85f43e26cb8632337e67cea5ef88bab78121f3
Author cj5716
Date 2023-09-11 20:30:57 UTC
Simplify cutnode depth condition With this patch, the depth condition for the cutnodes reduction is loosened from tte->depth() >= depth + 3 to just tte->depth() >= depth. Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 101152 W: 25830 L: 25682 D: 49640 Ptnml(0-2): 312, 11788, 26258, 11876, 342 https://tests.stockfishchess.org/tests/view/64fd15635dab775b5359eaa6 Passed LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 82542 W: 20980 L: 20824 D: 40738 Ptnml(0-2): 42, 8795, 23440, 8953, 41 https://tests.stockfishchess.org/tests/view/64fda3545dab775b5359fbf1 closes https://github.com/official-stockfish/Stockfish/pull/4780 Bench: 1479029
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