Dev Builds » 20240126-1940

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 14:43:20 1206785 5004 2193 376 2435 +132.19 +/- 4.14 0 45 650 1752 55 +304.23 +/- 13.36
ncm-dbt-03 14:43:50 1199259 4996 2188 366 2442 +132.82 +/- 4.26 1 48 647 1732 70 +302.53 +/- 13.4
ncm-dbt-04 14:44:01 1197761 5000 2192 372 2436 +132.54 +/- 4.34 2 56 634 1736 72 +301.33 +/- 13.54
ncm-dbt-06 14:43:49 1191571 5000 2161 382 2457 +129.27 +/- 4.3 2 52 676 1705 65 +292.23 +/- 13.11
20000 8734 1496 9770 +131.7 +/- 2.13 5 201 2607 6925 262 +300.04 +/- 6.67

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
326090 ncm-dbt-06 1183987 0 0 0 0 -0.0 +/- 1199.83 0 0 0 0 0 -0.0 +/- 1199.83
326089 ncm-dbt-01 1233009 4 2 0 2 +190.27 +/- 27.79 0 0 0 2 0 +1199.83 +/- 312.71
326088 ncm-dbt-03 1203102 496 212 35 249 +129.69 +/- 13.42 0 5 67 170 6 +294.29 +/- 42.07
326087 ncm-dbt-01 1190828 500 219 35 246 +134.15 +/- 13.61 0 5 64 173 8 +304.07 +/- 43.1
326086 ncm-dbt-04 1215772 500 219 33 248 +135.76 +/- 14.12 0 5 65 169 11 +301.33 +/- 42.75
326085 ncm-dbt-06 1189836 500 206 35 259 +123.81 +/- 13.81 0 6 74 163 7 +273.0 +/- 39.95
326084 ncm-dbt-03 1198364 500 217 44 239 +125.38 +/- 14.3 0 9 66 168 7 +277.93 +/- 42.33
326083 ncm-dbt-01 1247272 500 216 27 257 +138.18 +/- 12.33 0 4 56 187 3 +333.32 +/- 46.21
326082 ncm-dbt-04 1193258 500 222 31 247 +139.81 +/- 15.06 1 7 54 176 12 +315.35 +/- 46.8
326081 ncm-dbt-06 1194903 500 210 41 249 +122.24 +/- 14.33 2 6 67 171 4 +280.42 +/- 42.05
326080 ncm-dbt-03 1193114 500 214 28 258 +135.76 +/- 13.01 0 7 53 187 3 +324.17 +/- 47.35
326079 ncm-dbt-01 1189538 500 223 27 250 +143.89 +/- 12.92 0 4 53 186 7 +342.85 +/- 47.56
326078 ncm-dbt-04 1195402 500 207 46 247 +116.0 +/- 13.88 0 10 72 165 3 +258.75 +/- 40.49
326077 ncm-dbt-06 1191981 500 221 33 246 +137.37 +/- 13.9 0 4 65 170 11 +306.84 +/- 42.73
326076 ncm-dbt-03 1195575 500 207 24 269 +133.34 +/- 12.29 0 3 64 180 3 +315.35 +/- 43.03
326075 ncm-dbt-04 1196175 500 229 46 225 +133.34 +/- 13.81 0 6 63 173 8 +301.33 +/- 43.45
326074 ncm-dbt-01 1167775 500 220 40 240 +130.94 +/- 13.51 0 5 67 171 7 +295.94 +/- 42.08
326073 ncm-dbt-06 1191030 500 210 33 257 +128.55 +/- 13.19 0 5 68 172 5 +293.29 +/- 41.75
326072 ncm-dbt-03 1200006 500 219 44 237 +126.97 +/- 12.47 0 1 78 166 5 +288.06 +/- 38.42
326071 ncm-dbt-04 1196750 500 221 38 241 +133.34 +/- 14.34 1 4 66 169 10 +298.62 +/- 42.41
326070 ncm-dbt-01 1236947 500 217 36 247 +131.74 +/- 13.12 0 5 64 176 5 +304.07 +/- 43.1
326069 ncm-dbt-06 1190476 500 230 35 235 +143.07 +/- 13.15 0 3 58 180 9 +333.32 +/- 45.35
326068 ncm-dbt-04 1202361 500 223 36 241 +136.56 +/- 12.59 0 4 59 183 4 +324.17 +/- 44.97
326067 ncm-dbt-03 1201135 500 233 35 232 +145.54 +/- 13.45 0 3 57 179 11 +336.46 +/- 45.77
326066 ncm-dbt-01 1176792 500 209 45 246 +118.33 +/- 13.86 0 6 81 156 7 +256.44 +/- 38.07
326065 ncm-dbt-06 1188670 500 214 48 238 +119.89 +/- 14.51 0 9 74 159 8 +258.75 +/- 39.96
326064 ncm-dbt-03 1198309 500 235 35 230 +147.19 +/- 13.77 0 6 48 186 10 +346.12 +/- 49.86
326063 ncm-dbt-04 1200554 500 211 41 248 +123.02 +/- 13.99 0 8 70 166 6 +273.0 +/- 41.13
326062 ncm-dbt-01 1193961 500 215 44 241 +123.81 +/- 13.28 0 6 71 169 4 +280.42 +/- 40.83
326061 ncm-dbt-06 1185399 500 223 37 240 +135.76 +/- 12.81 0 4 61 180 5 +318.25 +/- 44.18
326060 ncm-dbt-03 1198502 500 215 35 250 +130.94 +/- 13.87 0 5 69 167 9 +290.66 +/- 41.43
326059 ncm-dbt-04 1189441 500 218 42 240 +127.76 +/- 13.02 0 5 68 173 4 +293.29 +/- 41.75
326058 ncm-dbt-01 1199978 500 223 45 232 +129.35 +/- 12.61 0 4 67 176 3 +301.33 +/- 42.04
326057 ncm-dbt-06 1198587 500 221 41 238 +130.94 +/- 13.32 0 7 60 179 4 +304.07 +/- 44.5
326056 ncm-dbt-03 1206405 500 220 39 241 +131.74 +/- 13.67 0 4 70 167 9 +293.29 +/- 41.07
326055 ncm-dbt-01 1188353 500 228 33 239 +143.07 +/- 12.34 0 1 60 182 7 +339.63 +/- 44.35
326054 ncm-dbt-04 1190723 500 223 32 245 +139.81 +/- 13.07 0 3 61 178 8 +324.17 +/- 44.15
326053 ncm-dbt-06 1192967 500 220 39 241 +131.74 +/- 13.3 0 3 71 168 8 +295.94 +/- 40.69
326052 ncm-dbt-06 1199447 500 206 40 254 +119.89 +/- 13.16 0 5 78 163 4 +268.17 +/- 38.8
326051 ncm-dbt-03 1198083 500 216 47 237 +122.24 +/- 14.17 1 5 75 162 7 +270.57 +/- 39.67
326050 ncm-dbt-04 1197176 500 219 27 254 +140.62 +/- 12.84 0 4 56 184 6 +333.32 +/- 46.21
326049 ncm-dbt-01 1250192 500 221 44 235 +128.55 +/- 13.01 0 5 67 174 4 +295.94 +/- 42.08

Commit

Commit ID 2b62c4452db5a02c5ed7d4a2b4c4cb1529fb82b7
Author FauziAkram
Date 2024-01-26 19:40:22 UTC
Remove redundant max operation on lmrDepth Removed a restriction that prohibited history heuristics sum in futility pruning to exceed some negative value. Passed STC: LLR: 2.93 (-2.94,2.94) <-1.75,0.25> Total: 279040 W: 71095 L: 71143 D: 136802 Ptnml(0-2): 949, 33574, 70474, 33622, 901 https://tests.stockfishchess.org/tests/view/65aaef4c79aa8af82b977631 Passed LTC: LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 75156 W: 18884 L: 18715 D: 37557 Ptnml(0-2): 52, 8445, 20408, 8628, 45 https://tests.stockfishchess.org/tests/view/65ae7ef3c865510db026abf5 closes https://github.com/official-stockfish/Stockfish/pull/5004 Bench: 1566543
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