Dev Builds » 20240518-0724

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 11:36:50 1211727 4006 1804 284 1918 +138.76 +/- 4.7 1 38 460 1448 56 +323.72 +/- 15.9
ncm-dbt-02 11:33:49 1227317 3960 1801 291 1868 +139.53 +/- 4.8 0 30 485 1390 75 +318.8 +/- 15.48
ncm-dbt-03 11:36:47 1234824 4032 1808 334 1890 +133.17 +/- 4.71 1 32 534 1390 59 +302.96 +/- 14.74
ncm-dbt-05 11:33:56 1197924 3990 1783 312 1895 +134.42 +/- 4.74 0 37 508 1392 58 +307.03 +/- 15.13
ncm-dbt-06 11:36:53 1233179 4012 1760 306 1946 +131.91 +/- 4.76 1 40 523 1388 54 +300.25 +/- 14.91
20000 8956 1527 9517 +135.54 +/- 2.12 3 177 2510 7008 302 +310.35 +/- 6.8

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
368153 ncm-dbt-01 1194474 6 3 0 3 +190.46 +/- 18.51 0 0 0 3 0 +1199.83 +/- 276.48
368152 ncm-dbt-06 1237356 12 4 1 7 +88.66 +/- 75.75 0 0 3 3 0 +190.73 +/- 238.47
368151 ncm-dbt-03 1232152 32 12 2 18 +112.3 +/- 46.07 0 0 6 10 0 +254.67 +/- 155.1
368150 ncm-dbt-02 1243588 460 212 33 215 +142.72 +/- 14.58 0 2 60 155 13 +316.61 +/- 44.39
368149 ncm-dbt-05 1197526 490 214 41 235 +128.18 +/- 13.74 0 7 63 170 5 +291.78 +/- 43.42
368148 ncm-dbt-01 1247158 500 226 32 242 +142.25 +/- 12.78 0 3 57 183 7 +336.46 +/- 45.77
368147 ncm-dbt-06 1229433 500 224 40 236 +134.15 +/- 13.8 0 8 56 180 6 +309.64 +/- 45.98
368146 ncm-dbt-03 1247263 500 223 32 245 +139.81 +/- 13.07 0 3 61 178 8 +324.17 +/- 44.15
368145 ncm-dbt-02 1222564 500 238 38 224 +147.19 +/- 13.18 0 1 60 177 12 +339.63 +/- 44.35
368144 ncm-dbt-05 1197652 500 217 32 251 +134.95 +/- 13.03 0 4 63 177 6 +312.48 +/- 43.44
368143 ncm-dbt-01 1199780 500 224 46 230 +129.35 +/- 13.9 1 5 65 173 6 +295.94 +/- 42.75
368142 ncm-dbt-06 1227340 500 229 37 234 +140.62 +/- 13.04 0 3 60 179 8 +327.18 +/- 44.54
368141 ncm-dbt-03 1243061 500 223 33 244 +138.99 +/- 13.48 0 6 55 182 7 +324.17 +/- 46.56
368140 ncm-dbt-02 1214828 500 217 43 240 +126.17 +/- 13.6 0 5 73 165 7 +280.42 +/- 40.21
368139 ncm-dbt-01 1241963 500 228 31 241 +144.71 +/- 12.68 0 4 51 189 6 +349.43 +/- 48.52
368138 ncm-dbt-05 1198508 500 231 47 222 +134.15 +/- 13.43 0 4 66 172 8 +304.07 +/- 42.38
368137 ncm-dbt-06 1226138 500 224 34 242 +138.99 +/- 13.29 0 5 57 181 7 +324.17 +/- 45.77
368136 ncm-dbt-03 1248387 500 218 45 237 +125.38 +/- 12.32 0 1 79 166 4 +285.49 +/- 38.15
368135 ncm-dbt-02 1229074 500 233 36 231 +144.71 +/- 13.67 0 5 53 182 10 +336.46 +/- 47.52
368134 ncm-dbt-01 1228200 500 231 30 239 +148.02 +/- 12.94 0 3 52 186 9 +352.8 +/- 48.05
368133 ncm-dbt-05 1198490 500 214 46 240 +121.45 +/- 12.77 0 2 83 160 5 +270.57 +/- 37.24
368132 ncm-dbt-03 1227504 500 235 36 229 +146.36 +/- 13.22 0 2 58 179 11 +339.63 +/- 45.29
368131 ncm-dbt-06 1236115 500 217 32 251 +134.95 +/- 13.78 0 6 61 175 8 +306.84 +/- 44.17
368130 ncm-dbt-02 1214590 500 223 33 244 +138.99 +/- 14.03 0 5 61 173 11 +312.48 +/- 44.19
368129 ncm-dbt-01 1196239 500 222 44 234 +129.35 +/- 14.07 0 7 66 169 8 +288.06 +/- 42.4
368128 ncm-dbt-05 1194376 500 228 31 241 +144.71 +/- 13.28 0 4 54 183 9 +339.63 +/- 47.1
368127 ncm-dbt-06 1207699 500 219 48 233 +123.81 +/- 13.98 1 5 72 166 6 +277.93 +/- 40.53
368126 ncm-dbt-03 1231619 500 232 40 228 +140.62 +/- 12.02 0 1 61 183 5 +336.46 +/- 43.96
368125 ncm-dbt-02 1227564 500 228 33 239 +143.07 +/- 12.95 0 3 57 182 8 +336.46 +/- 45.77
368124 ncm-dbt-01 1184745 500 220 35 245 +134.95 +/- 13.41 0 6 59 179 6 +312.48 +/- 44.93
368123 ncm-dbt-05 1201090 500 220 39 241 +131.74 +/- 14.03 0 9 57 178 6 +301.33 +/- 45.48
368122 ncm-dbt-06 1256075 500 224 41 235 +133.34 +/- 13.45 0 3 70 168 9 +298.62 +/- 41.01
368121 ncm-dbt-03 1242348 500 226 59 215 +120.67 +/- 14.01 0 8 73 163 6 +265.78 +/- 40.25
368120 ncm-dbt-01 1187870 500 225 36 239 +138.18 +/- 14.06 0 7 56 178 9 +315.35 +/- 46.07
368119 ncm-dbt-02 1237279 500 228 34 238 +142.25 +/- 13.18 0 5 53 185 7 +336.46 +/- 47.52
368118 ncm-dbt-05 1198264 500 228 35 237 +141.44 +/- 13.59 0 2 65 171 12 +318.25 +/- 42.59
368117 ncm-dbt-03 1220658 500 215 52 233 +117.55 +/- 14.53 1 7 77 158 7 +256.44 +/- 39.15
368116 ncm-dbt-06 1230578 500 209 36 255 +125.38 +/- 12.89 0 3 76 166 5 +282.94 +/- 39.21
368115 ncm-dbt-02 1229055 500 222 41 237 +131.74 +/- 13.3 0 4 68 171 7 +298.62 +/- 41.71
368114 ncm-dbt-03 1220432 500 224 35 241 +138.18 +/- 13.87 0 4 64 171 11 +309.64 +/- 43.08
368113 ncm-dbt-05 1197489 500 231 41 228 +138.99 +/- 13.29 0 5 57 181 7 +324.17 +/- 45.77
368112 ncm-dbt-06 1247878 500 210 37 253 +125.38 +/- 13.61 0 7 68 170 5 +282.94 +/- 41.76
368111 ncm-dbt-01 1225120 500 225 30 245 +143.07 +/- 12.34 0 3 54 188 5 +346.12 +/- 47.1

Commit

Commit ID f5e15441b8e3b8087024d309313e8a4d6c48bba7
Author FauziAkram
Date 2024-05-18 07:24:23 UTC
Early Exit in Bitboards::sliding_attack() he original code checks for occupancy within the loop condition. By moving this check inside the loop and adding an early exit condition, we can avoid unnecessary iterations if a blocking piece is encountered. Passed stc: LLR: 2.95 (-2.94,2.94) <0.00,2.00> Total: 127200 W: 33129 L: 32700 D: 61371 Ptnml(0-2): 424, 13243, 35826, 13694, 413 https://tests.stockfishchess.org/tests/view/664646006dcff0d1d6b05bca closes https://github.com/official-stockfish/Stockfish/pull/5256 No functional change
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