Dev Builds » 20240421-1250

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 11:47:31 1207772 4012 1758 306 1948 +131.71 +/- 4.81 0 43 528 1375 60 +297.22 +/- 14.84
ncm-dbt-02 11:43:38 1227612 4002 1775 292 1935 +135.18 +/- 4.71 0 35 506 1402 58 +309.75 +/- 15.16
ncm-dbt-03 11:48:25 1232822 4000 1734 338 1928 +126.57 +/- 4.8 0 50 550 1354 46 +284.85 +/- 14.54
ncm-dbt-05 11:45:06 1229301 3978 1725 314 1939 +128.83 +/- 4.78 1 40 545 1353 50 +291.16 +/- 14.6
ncm-dbt-06 11:48:04 1225962 4008 1742 302 1964 +130.66 +/- 4.87 0 44 541 1354 65 +292.06 +/- 14.66
20000 8734 1552 9714 +130.58 +/- 2.15 1 212 2670 6838 279 +294.88 +/- 6.59

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
346856 ncm-dbt-03 1236709 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
346855 ncm-dbt-02 1233061 2 2 0 0 +1041.08 +/- 395.59 0 0 0 0 1 +1129.65 +/- 376.02
346854 ncm-dbt-06 1235265 8 2 1 5 +43.64 +/- 153.21 0 1 1 2 0 +88.74 +/- 710.5
346853 ncm-dbt-01 1174531 12 4 0 8 +120.31 +/- 75.55 0 0 2 4 0 +279.41 +/- 548.26
346852 ncm-dbt-05 1252233 478 205 45 228 +120.96 +/- 14.26 0 6 74 152 7 +263.52 +/- 39.92
346851 ncm-dbt-03 1251257 500 218 52 230 +119.89 +/- 13.85 0 7 76 161 6 +263.42 +/- 39.41
346850 ncm-dbt-02 1229459 500 225 44 231 +131.74 +/- 12.93 0 3 69 172 6 +301.33 +/- 41.33
346849 ncm-dbt-01 1231447 500 229 38 233 +139.81 +/- 13.64 0 5 58 178 9 +321.19 +/- 45.36
346848 ncm-dbt-06 1229558 500 214 33 253 +131.74 +/- 12.93 0 4 66 175 5 +304.07 +/- 42.38
346847 ncm-dbt-05 1248272 500 214 42 244 +124.6 +/- 12.9 1 2 74 170 3 +288.06 +/- 39.79
346846 ncm-dbt-03 1224836 500 221 37 242 +134.15 +/- 13.8 0 7 59 177 7 +306.84 +/- 44.88
346845 ncm-dbt-02 1230083 500 222 27 251 +143.07 +/- 11.69 0 1 57 188 4 +349.43 +/- 45.6
346844 ncm-dbt-01 1226921 500 223 44 233 +130.14 +/- 14.9 0 8 67 163 12 +280.42 +/- 42.05
346843 ncm-dbt-06 1227506 500 220 43 237 +128.55 +/- 14.08 0 7 67 168 8 +285.49 +/- 42.08
346842 ncm-dbt-05 1232511 500 214 40 246 +126.17 +/- 13.77 0 9 62 175 4 +288.06 +/- 43.65
346841 ncm-dbt-03 1222494 500 214 40 246 +126.17 +/- 13.42 0 5 72 167 6 +282.94 +/- 40.5
346840 ncm-dbt-01 1187065 500 215 44 241 +123.81 +/- 13.98 0 6 75 161 8 +270.57 +/- 39.67
346839 ncm-dbt-02 1239116 500 216 41 243 +126.97 +/- 13.94 0 7 68 168 7 +282.94 +/- 41.76
346838 ncm-dbt-06 1240141 500 210 34 256 +127.76 +/- 14.1 0 7 68 167 8 +282.94 +/- 41.76
346837 ncm-dbt-05 1225330 500 213 37 250 +127.76 +/- 13.02 0 3 74 167 6 +288.06 +/- 39.79
346836 ncm-dbt-03 1220342 500 203 33 264 +123.02 +/- 13.47 0 8 67 172 3 +280.42 +/- 42.05
346835 ncm-dbt-01 1205223 500 210 38 252 +124.6 +/- 14.14 0 9 66 169 6 +277.93 +/- 42.33
346834 ncm-dbt-06 1199729 500 215 47 238 +121.45 +/- 14.01 0 5 81 155 9 +261.07 +/- 38.02
346833 ncm-dbt-02 1214334 500 223 36 241 +136.56 +/- 13.73 0 7 56 180 7 +315.35 +/- 46.07
346832 ncm-dbt-05 1212610 500 209 37 254 +124.6 +/- 13.62 0 7 69 169 5 +280.42 +/- 41.44
346831 ncm-dbt-03 1229390 500 220 43 237 +128.55 +/- 13.38 0 4 72 167 7 +288.06 +/- 40.46
346830 ncm-dbt-02 1234804 500 227 36 237 +139.81 +/- 13.64 0 4 61 175 10 +318.25 +/- 44.18
346829 ncm-dbt-01 1187004 500 218 31 251 +136.56 +/- 13.17 0 4 62 177 7 +315.35 +/- 43.81
346828 ncm-dbt-06 1236884 500 218 36 246 +132.54 +/- 13.47 0 5 65 173 7 +301.33 +/- 42.75
346827 ncm-dbt-05 1220542 500 223 40 237 +133.34 +/- 13.99 0 4 70 165 11 +293.29 +/- 41.07
346826 ncm-dbt-03 1243880 500 220 45 235 +126.97 +/- 13.41 0 4 74 165 7 +282.94 +/- 39.86
346825 ncm-dbt-02 1235818 500 218 35 247 +133.34 +/- 13.26 0 4 66 173 7 +304.07 +/- 42.38
346824 ncm-dbt-01 1223012 500 221 41 238 +130.94 +/- 12.76 0 3 69 173 5 +301.33 +/- 41.33
346823 ncm-dbt-06 1227806 500 228 37 235 +139.81 +/- 13.45 0 5 57 180 8 +324.17 +/- 45.77
346822 ncm-dbt-05 1214031 500 222 35 243 +136.56 +/- 12.79 0 3 63 178 6 +318.25 +/- 43.39
346821 ncm-dbt-02 1208287 500 218 40 242 +129.35 +/- 13.54 0 6 66 172 6 +293.29 +/- 42.41
346820 ncm-dbt-03 1229054 500 215 44 241 +123.81 +/- 13.46 0 8 66 173 3 +282.94 +/- 42.37
346819 ncm-dbt-01 1246234 500 224 35 241 +138.18 +/- 13.32 0 4 61 177 8 +318.25 +/- 44.18
346818 ncm-dbt-06 1219335 500 206 26 268 +130.94 +/- 14.22 0 7 65 169 9 +290.66 +/- 42.73
346817 ncm-dbt-01 1188518 500 214 35 251 +130.14 +/- 12.97 0 4 68 173 5 +298.62 +/- 41.71
346816 ncm-dbt-02 1223549 500 224 33 243 +139.81 +/- 13.45 0 3 63 174 10 +318.25 +/- 43.39
346815 ncm-dbt-05 1228879 500 225 38 237 +136.56 +/- 13.73 0 6 59 177 8 +312.48 +/- 44.93
346814 ncm-dbt-06 1217434 500 229 45 226 +134.15 +/- 13.8 0 3 71 165 11 +295.94 +/- 40.69
346813 ncm-dbt-03 1237436 500 223 44 233 +130.14 +/- 13.88 0 7 64 172 7 +293.29 +/- 43.07

Commit

Commit ID d47aa639bd614b37a59f87e6ab68496580f0cf3e
Author cj5716
Date 2024-04-21 12:50:04 UTC
Tweak TT aging and replacement strategies We change the definition of "age" from "age of this position" to "age of this TT entry". In this way, despite being on the same position, when we save into TT, we always prefer the new entry as compared to the old one. Passed STC: LLR: 2.94 (-2.94,2.94) <0.00,2.00> Total: 152256 W: 39597 L: 39110 D: 73549 Ptnml(0-2): 556, 17562, 39398, 18063, 549 https://tests.stockfishchess.org/tests/view/6620faee3fe04ce4cefbf215 Passed LTC: LLR: 2.95 (-2.94,2.94) <0.50,2.50> Total: 51564 W: 13242 L: 12895 D: 25427 Ptnml(0-2): 24, 5464, 14463, 5803, 28 https://tests.stockfishchess.org/tests/view/66231ab53fe04ce4cefc153e closes #5184 Bench 1479416
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