Dev Builds » 20240217-1610

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 14:33:19 1138318 5000 2176 374 2450 +131.1 ± 4.34 2 60 638 1734 66 +298.08 ± 13.5
ncm-dbt-03 14:33:41 1198667 5018 2176 367 2475 +131.14 ± 4.32 2 56 651 1731 69 +297.48 ± 13.36
ncm-dbt-04 14:33:42 1187519 5014 2218 377 2419 +133.81 ± 4.32 0 50 650 1723 84 +301.9 ± 13.37
ncm-dbt-06 14:34:20 1189946 4968 2128 364 2476 +128.98 ± 4.29 0 58 664 1702 60 +291.96 ± 13.23
20000 8698 1482 9820 +131.26 ± 2.16 4 224 2603 6890 279 +297.34 ± 6.68

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
327297 ncm-dbt-04 1188234 14 5 1 8 +102.08 ± 106.14 0 1 1 5 0 +225.71 ± 594.39
327296 ncm-dbt-03 1201000 18 8 1 9 +142.54 ± 56.5 0 0 2 7 0 +361.06 ± 503.16
327295 ncm-dbt-06 1190609 468 193 32 243 +124.6 ± 14.04 0 7 63 160 4 +282.27 ± 43.41
327294 ncm-dbt-01 1136539 500 226 39 235 +136.56 ± 13.73 0 6 59 177 8 +312.48 ± 44.93
327293 ncm-dbt-04 1190604 500 228 36 236 +140.62 ± 13.43 0 4 59 178 9 +324.17 ± 44.97
327292 ncm-dbt-03 1197828 500 213 36 251 +128.55 ± 13.38 0 7 63 176 4 +295.94 ± 43.42
327291 ncm-dbt-06 1192988 500 217 43 240 +126.17 ± 13.24 0 3 77 163 7 +280.42 ± 38.93
327290 ncm-dbt-01 1140975 500 224 49 227 +126.97 ± 14.28 0 8 67 167 8 +280.42 ± 42.05
327289 ncm-dbt-04 1182914 500 216 35 249 +131.74 ± 13.49 0 4 69 169 8 +295.94 ± 41.39
327288 ncm-dbt-03 1197356 500 219 41 240 +129.35 ± 14.07 0 6 69 166 9 +285.49 ± 41.44
327287 ncm-dbt-06 1185526 500 215 35 250 +130.94 ± 13.69 0 6 65 172 7 +295.94 ± 42.75
327286 ncm-dbt-01 1141879 500 216 33 251 +133.34 ± 13.08 0 3 68 172 7 +304.07 ± 41.65
327285 ncm-dbt-04 1186808 500 235 39 226 +143.89 ± 14.07 0 4 59 174 13 +324.17 ± 44.97
327284 ncm-dbt-03 1202558 500 201 35 264 +119.89 ± 13.16 0 6 75 166 3 +270.57 ± 39.67
327283 ncm-dbt-06 1190169 500 207 45 248 +116.77 ± 12.83 0 4 83 160 3 +261.07 ± 37.44
327282 ncm-dbt-04 1191761 500 223 30 247 +141.44 ± 13.78 0 6 54 181 9 +327.18 ± 47.0
327281 ncm-dbt-01 1146598 500 215 37 248 +129.35 ± 14.24 0 12 52 182 4 +298.62 ± 47.02
327280 ncm-dbt-03 1199333 500 220 43 237 +128.55 ± 14.08 0 7 67 168 8 +285.49 ± 42.08
327279 ncm-dbt-06 1194077 500 212 28 260 +134.15 ± 13.61 0 6 61 176 7 +306.84 ± 44.17
327278 ncm-dbt-01 1141183 500 221 33 246 +137.37 ± 13.15 1 4 55 186 4 +330.23 ± 46.62
327277 ncm-dbt-04 1193554 500 213 40 247 +125.38 ± 13.43 0 5 73 166 6 +280.42 ± 40.21
327276 ncm-dbt-03 1198909 500 226 29 245 +144.71 ± 13.08 0 2 59 179 10 +336.46 ± 44.87
327275 ncm-dbt-06 1194933 500 213 35 252 +129.35 ± 13.54 0 8 60 178 4 +298.62 ± 44.44
327274 ncm-dbt-01 1137553 500 215 34 251 +131.74 ± 13.67 0 7 61 176 6 +301.33 ± 44.13
327273 ncm-dbt-04 1189913 500 228 43 229 +134.95 ± 13.59 0 4 66 171 9 +304.07 ± 42.38
327272 ncm-dbt-03 1199894 500 213 43 244 +123.02 ± 14.49 1 8 67 168 6 +275.45 ± 42.01
327271 ncm-dbt-06 1191411 500 219 35 246 +134.15 ± 12.67 0 2 68 174 6 +309.64 ± 41.56
327270 ncm-dbt-04 1182679 500 220 44 236 +127.76 ± 14.1 0 7 68 167 8 +282.94 ± 41.76
327269 ncm-dbt-01 1130083 500 209 46 245 +117.55 ± 13.53 0 8 74 165 3 +263.42 ± 39.97
327268 ncm-dbt-03 1199514 500 221 42 237 +130.15 ± 15.23 1 8 63 167 11 +285.49 ± 43.31
327267 ncm-dbt-06 1183535 500 214 38 248 +127.76 ± 14.6 0 10 62 170 8 +282.94 ± 43.58
327266 ncm-dbt-04 1184472 500 209 32 259 +128.55 ± 13.38 0 6 66 173 5 +293.29 ± 42.41
327265 ncm-dbt-03 1202294 500 225 31 244 +142.25 ± 13.37 0 5 54 183 8 +333.32 ± 47.06
327264 ncm-dbt-01 1127606 500 210 31 259 +130.14 ± 14.4 0 7 67 166 10 +285.49 ± 42.08
327263 ncm-dbt-03 1189633 500 212 34 254 +129.35 ± 12.41 0 3 69 175 3 +301.33 ± 41.33
327262 ncm-dbt-06 1186633 500 216 39 245 +128.55 ± 14.26 0 7 68 166 9 +282.94 ± 41.76
327261 ncm-dbt-01 1131177 500 221 37 242 +134.15 ± 13.61 1 3 64 175 7 +309.64 ± 43.08
327260 ncm-dbt-04 1182986 500 217 36 247 +131.74 ± 12.54 0 2 70 173 5 +304.07 ± 40.91
327259 ncm-dbt-03 1197019 500 218 32 250 +135.76 ± 13.2 0 4 63 176 7 +312.48 ± 43.44
327258 ncm-dbt-06 1189585 500 222 34 244 +137.37 ± 12.96 0 5 57 183 5 +324.17 ± 45.77
327257 ncm-dbt-04 1188793 500 224 41 235 +133.34 ± 14.68 0 7 65 166 12 +290.66 ± 42.73
327256 ncm-dbt-01 1149589 500 219 35 246 +134.15 ± 13.24 0 2 71 168 9 +301.33 ± 40.6

Commit

Commit ID f3df0cfb84250f03662a6fd50ea20c9677a0a1d0
Author cj5716
Date 2024-02-17 16:10:13 UTC
Simplify TT PV reduction This also removes some incorrect fail-high logic. Passed STC: https://tests.stockfishchess.org/tests/view/65cb3b641d8e83c78bfd04a9 LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 87968 W: 22634 L: 22468 D: 42866 Ptnml(0-2): 315, 10436, 22323, 10588, 322 Passed LTC: https://tests.stockfishchess.org/tests/view/65cccee21d8e83c78bfd222c LLR: 2.95 (-2.94,2.94) <-1.75,0.25> Total: 70794 W: 17846 L: 17672 D: 35276 Ptnml(0-2): 44, 7980, 19189, 8126, 58 closes https://github.com/official-stockfish/Stockfish/pull/5055 Bench: 1474424
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