Dev Builds » 20231024-1546

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 09:53:36 1102330 3354 1436 300 1618 +122.51 +/- 5.29 0 41 501 1093 42 +270.79 +/- 15.22
ncm-dbt-02 09:49:58 1200394 3292 1417 273 1602 +125.98 +/- 5.36 0 46 449 1112 39 +282.52 +/- 16.09
ncm-dbt-03 09:56:16 1232955 3360 1448 298 1614 +123.91 +/- 5.38 1 41 494 1095 49 +272.97 +/- 15.33
ncm-dbt-04 09:55:17 1226820 3346 1454 269 1623 +128.62 +/- 5.22 0 37 456 1138 42 +290.14 +/- 15.97
ncm-dbt-05 09:50:46 1222803 3296 1436 251 1609 +130.75 +/- 5.25 0 35 436 1134 43 +296.58 +/- 16.33
ncm-dbt-06 09:53:34 1230582 3352 1466 292 1594 +127.06 +/- 5.37 0 44 463 1120 49 +282.46 +/- 15.85
20000 8657 1683 9660 +126.45 +/- 2.17 1 244 2799 6692 264 +282.38 +/- 6.44

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
207240 ncm-dbt-02 1191913 292 127 27 138 +123.99 +/- 17.84 0 4 41 98 3 +278.16 +/- 54.18
207239 ncm-dbt-05 1236557 296 124 26 146 +119.53 +/- 18.85 0 7 39 99 3 +264.53 +/- 55.25
207238 ncm-dbt-01 1093882 354 152 35 167 +119.31 +/- 17.52 0 4 61 103 9 +246.4 +/- 43.87
207237 ncm-dbt-06 1233203 352 156 27 169 +133.53 +/- 16.81 0 4 46 119 7 +296.73 +/- 51.08
207236 ncm-dbt-04 1234419 346 147 33 166 +118.9 +/- 16.37 0 5 52 113 3 +264.37 +/- 47.87
207235 ncm-dbt-03 1223057 360 158 35 167 +123.68 +/- 16.18 0 3 57 114 6 +269.37 +/- 45.47
207234 ncm-dbt-02 1203614 500 214 39 247 +126.97 +/- 13.76 0 6 70 167 7 +282.94 +/- 41.13
207233 ncm-dbt-05 1213855 500 226 50 224 +127.76 +/- 13.92 0 5 73 163 9 +280.42 +/- 40.21
207232 ncm-dbt-06 1219741 500 221 38 241 +133.34 +/- 12.89 0 5 61 180 4 +312.48 +/- 44.19
207231 ncm-dbt-01 1093687 500 211 40 249 +123.81 +/- 13.63 0 7 70 168 5 +277.93 +/- 41.14
207230 ncm-dbt-04 1224544 500 222 45 233 +128.55 +/- 12.63 0 4 68 175 3 +298.62 +/- 41.71
207229 ncm-dbt-03 1242192 500 217 41 242 +127.76 +/- 13.39 0 6 67 172 5 +290.66 +/- 42.08
207228 ncm-dbt-02 1202460 500 227 40 233 +136.56 +/- 13.73 0 6 59 177 8 +312.48 +/- 44.93
207227 ncm-dbt-05 1231000 500 211 30 259 +131.74 +/- 12.34 0 2 69 175 4 +306.84 +/- 41.23
207226 ncm-dbt-06 1244801 500 220 43 237 +128.55 +/- 14.08 0 9 61 174 6 +290.66 +/- 44.0
207225 ncm-dbt-01 1103124 500 211 51 238 +115.22 +/- 13.03 0 5 83 159 3 +256.44 +/- 37.51
207224 ncm-dbt-04 1218597 500 217 42 241 +126.97 +/- 13.76 0 6 70 167 7 +282.94 +/- 41.13
207223 ncm-dbt-03 1254196 500 223 46 231 +128.55 +/- 13.91 0 9 60 176 5 +293.29 +/- 44.36
207222 ncm-dbt-02 1194666 500 199 52 249 +105.25 +/- 14.35 0 12 83 151 4 +226.0 +/- 37.66
207221 ncm-dbt-05 1221072 500 216 36 248 +130.94 +/- 15.22 0 7 71 157 15 +275.45 +/- 40.84
207220 ncm-dbt-06 1238979 500 227 40 233 +136.56 +/- 13.92 0 2 72 163 13 +298.62 +/- 40.29
207219 ncm-dbt-01 1115517 500 208 48 244 +115.22 +/- 14.05 0 8 80 156 6 +249.64 +/- 38.38
207218 ncm-dbt-04 1228348 500 230 30 240 +147.19 +/- 13.96 0 6 49 184 11 +342.85 +/- 49.35
207217 ncm-dbt-03 1210837 500 213 39 248 +126.17 +/- 12.87 0 1 81 161 7 +280.42 +/- 37.62
207216 ncm-dbt-02 1190768 500 222 38 240 +134.15 +/- 13.61 0 9 52 185 4 +315.35 +/- 47.52
207215 ncm-dbt-05 1212759 500 212 44 244 +121.45 +/- 13.14 0 5 76 165 4 +273.0 +/- 39.35
207214 ncm-dbt-06 1220092 500 213 54 233 +114.45 +/- 14.69 0 12 73 159 6 +247.41 +/- 40.14
207213 ncm-dbt-01 1103199 500 218 42 240 +127.76 +/- 12.84 0 4 70 172 4 +293.29 +/- 41.07
207212 ncm-dbt-04 1233943 500 203 37 260 +119.89 +/- 14.02 0 7 77 159 7 +261.07 +/- 39.14
207211 ncm-dbt-03 1231639 500 211 43 246 +121.45 +/- 14.5 0 7 78 155 10 +258.75 +/- 38.88
207210 ncm-dbt-02 1193034 500 217 38 245 +130.14 +/- 13.34 0 3 73 166 8 +290.66 +/- 40.08
207209 ncm-dbt-05 1218091 500 225 36 239 +138.18 +/- 12.73 0 6 52 189 3 +333.32 +/- 47.9
207208 ncm-dbt-06 1235093 500 214 49 237 +119.11 +/- 13.86 0 6 80 157 7 +258.75 +/- 38.32
207207 ncm-dbt-01 1103405 500 210 38 252 +124.6 +/- 13.97 0 7 71 165 7 +275.45 +/- 40.84
207206 ncm-dbt-03 1236842 500 213 51 236 +116.78 +/- 15.15 1 10 73 158 8 +251.89 +/- 40.18
207205 ncm-dbt-04 1216413 500 221 41 238 +130.94 +/- 14.04 0 6 67 168 9 +290.66 +/- 42.08
207204 ncm-dbt-06 1222167 500 215 41 244 +126.17 +/- 13.6 0 6 70 168 6 +282.94 +/- 41.13
207203 ncm-dbt-02 1226309 500 211 39 250 +124.6 +/- 13.45 0 6 71 168 5 +280.42 +/- 40.83
207202 ncm-dbt-05 1226293 500 222 29 249 +141.44 +/- 12.41 0 3 56 186 5 +339.63 +/- 46.2
207201 ncm-dbt-01 1103499 500 226 46 228 +130.94 +/- 13.87 0 6 66 170 8 +293.29 +/- 42.41
207200 ncm-dbt-04 1231479 500 214 41 245 +125.38 +/- 12.32 0 3 73 172 2 +290.66 +/- 40.08
207199 ncm-dbt-03 1231922 500 213 43 244 +123.02 +/- 13.82 0 5 78 159 8 +268.17 +/- 38.8

Commit

Commit ID 0024133b08777b578c1036eb1e4a36343b7fa1bb
Author Linmiao Xu
Date 2023-10-24 15:46:18 UTC
Update 5 search params for pruning at shallow depth Found by spsa tuning at 45+0.45 with: ``` int fpcEvalOffset = 188; int fpcLmrDepthMult = 206; int histDepthMult = -3232; int histDenom = 5793; int fpEvalOffset = 115; int negSeeDepthMultSq = -27; TUNE(SetRange(0, 394), fpcEvalOffset); TUNE(SetRange(0, 412), fpcLmrDepthMult); TUNE(SetRange(-6464, -1616), histDepthMult); TUNE(SetRange(2896, 11586), histDenom); TUNE(SetRange(0, 230), fpEvalOffset); TUNE(SetRange(-54, 0), negSeeDepthMultSq); ``` Passed STC: https://tests.stockfishchess.org/tests/view/6535551de746e058e6c0165d LLR: 2.98 (-2.94,2.94) <0.00,2.00> Total: 109056 W: 28025 L: 27599 D: 53432 Ptnml(0-2): 357, 12669, 28038, 13119, 345 Passed LTC: https://tests.stockfishchess.org/tests/view/65364c6ff127f3553505175d LLR: 2.94 (-2.94,2.94) <0.50,2.50> Total: 61290 W: 15316 L: 14941 D: 31033 Ptnml(0-2): 34, 6849, 16498, 7236, 28 closes https://github.com/official-stockfish/Stockfish/pull/4847 bench 1167412
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