Dev Builds » 20230227-0726

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 05:00:40 1133106 1674 693 166 815 +113.22 +/- 7.63 1 23 280 514 19 +245.27 +/- 20.36
ncm-dbt-02 04:58:53 1232178 1658 683 163 812 +112.77 +/- 7.81 1 29 266 515 18 +244.51 +/- 20.93
ncm-dbt-03 05:01:03 1225447 1674 686 160 828 +112.99 +/- 7.81 1 28 273 514 21 +243.3 +/- 20.65
ncm-dbt-04 05:00:39 1225832 1670 676 161 833 +110.75 +/- 7.77 1 29 277 510 18 +238.88 +/- 20.5
ncm-dbt-05 04:59:02 1227612 1658 682 147 829 +116.26 +/- 7.25 0 20 264 535 10 +259.5 +/- 20.97
ncm-dbt-06 04:59:38 1225334 1666 699 160 807 +116.59 +/- 7.48 1 20 267 529 16 +257.05 +/- 20.85
ncm-et-3 06:23:28 1295356 1670 681 158 831 +112.59 +/- 7.93 1 34 260 521 19 +243.44 +/- 21.17
ncm-et-4 06:23:57 1308303 1660 699 185 776 +111.23 +/- 7.67 1 25 280 507 17 +240.82 +/- 20.37
ncm-et-9 06:24:14 1307973 1668 668 172 828 +106.53 +/- 7.77 0 34 286 498 16 +227.84 +/- 20.17
ncm-et-10 06:24:43 1289345 1668 685 167 816 +111.58 +/- 7.67 1 33 257 533 10 +246.48 +/- 21.29
ncm-et-13 06:23:52 1309585 1670 713 150 807 +121.9 +/- 7.77 0 27 242 542 24 +266.68 +/- 21.95
ncm-et-15 06:24:24 1296817 1664 679 175 810 +108.64 +/- 7.79 3 27 279 509 14 +236.81 +/- 20.42
20000 8244 1964 9792 +112.91 +/- 2.22 11 329 3231 6227 202 +245.7 +/- 5.99

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
201305 ncm-dbt-05 1233858 158 70 13 75 +131.24 +/- 25.27 0 2 21 53 3 +290.36 +/- 77.25
201304 ncm-dbt-02 1232575 158 72 7 79 +151.92 +/- 20.48 0 0 16 61 2 +379.25 +/- 90.08
201303 ncm-dbt-01 1134298 174 80 13 81 +141.05 +/- 21.3 0 1 20 64 2 +335.77 +/- 79.64
201302 ncm-dbt-06 1213598 166 69 11 86 +126.72 +/- 19.56 0 0 25 58 0 +300.5 +/- 69.21
201301 ncm-dbt-04 1213916 170 71 10 89 +130.47 +/- 22.2 0 1 24 58 2 +297.36 +/- 71.63
201300 ncm-dbt-03 1228352 174 77 17 80 +124.92 +/- 25.43 0 3 25 55 4 +265.59 +/- 70.17
201299 ncm-dbt-02 1238746 500 208 64 228 +102.97 +/- 14.34 0 12 86 148 4 +219.87 +/- 36.98
201298 ncm-dbt-05 1226969 500 200 48 252 +109.07 +/- 13.73 0 10 80 158 2 +240.82 +/- 38.39
201297 ncm-dbt-03 1217487 500 205 50 245 +111.37 +/- 13.39 1 5 84 158 2 +249.64 +/- 37.33
201296 ncm-dbt-01 1142955 500 205 44 251 +116.0 +/- 14.21 0 9 77 158 6 +251.89 +/- 39.16
201295 ncm-dbt-04 1232645 500 199 51 250 +106.01 +/- 14.82 0 13 82 149 6 +223.94 +/- 37.87
201294 ncm-dbt-06 1222662 500 207 49 244 +113.68 +/- 13.21 0 5 86 155 4 +249.64 +/- 36.79
201293 ncm-dbt-02 1225853 500 202 51 247 +108.3 +/- 14.68 0 11 84 148 7 +228.08 +/- 37.44
201292 ncm-dbt-05 1236191 500 199 42 259 +112.91 +/- 12.69 0 4 87 157 2 +251.89 +/- 36.48
201291 ncm-dbt-06 1217176 500 212 61 227 +108.3 +/- 14.21 1 6 90 147 6 +232.26 +/- 35.99
201290 ncm-dbt-04 1228450 500 204 53 243 +108.3 +/- 14.52 0 9 89 144 8 +226.0 +/- 36.29
201289 ncm-dbt-03 1238293 500 212 42 246 +123.02 +/- 14.82 0 10 69 162 9 +265.78 +/- 41.36
201288 ncm-dbt-01 1126136 500 205 58 237 +105.25 +/- 14.04 1 8 87 151 3 +230.16 +/- 36.73
201287 ncm-dbt-06 1247901 500 211 39 250 +124.6 +/- 14.14 0 9 66 169 6 +277.93 +/- 42.33
201286 ncm-dbt-04 1228319 500 202 47 251 +111.37 +/- 13.56 1 6 82 159 2 +249.64 +/- 37.86
201285 ncm-dbt-02 1231538 500 201 41 258 +115.23 +/- 14.05 1 6 80 158 5 +254.16 +/- 38.36
201284 ncm-dbt-05 1213431 500 213 44 243 +122.24 +/- 12.76 0 4 76 167 3 +277.93 +/- 39.29
201283 ncm-dbt-01 1129038 500 203 51 246 +109.07 +/- 13.89 0 5 96 141 8 +228.08 +/- 34.59
201282 ncm-dbt-03 1217658 500 192 51 257 +100.7 +/- 14.32 0 10 95 139 6 +209.91 +/- 35.06
167630 ncm-et-4 1308182 160 72 21 67 +114.74 +/- 24.44 0 2 27 49 2 +247.69 +/- 67.04
167629 ncm-et-15 1295771 164 65 21 78 +95.55 +/- 24.72 0 3 34 43 2 +196.54 +/- 58.94
167628 ncm-et-9 1303807 168 68 16 84 +111.18 +/- 25.34 0 3 29 49 3 +231.91 +/- 64.64
167627 ncm-et-3 1280249 170 72 21 77 +107.54 +/- 22.66 0 3 28 54 0 +240.82 +/- 65.93
167626 ncm-et-10 1298395 168 68 20 80 +102.11 +/- 25.25 1 3 27 53 0 +231.91 +/- 67.16
167625 ncm-et-13 1309953 170 73 23 74 +105.29 +/- 23.49 0 3 30 51 1 +228.32 +/- 63.44
167624 ncm-et-4 1315291 500 212 61 227 +108.3 +/- 14.05 1 7 86 152 4 +236.51 +/- 36.93
167623 ncm-et-15 1299392 500 193 54 253 +99.2 +/- 13.67 1 7 96 144 2 +215.85 +/- 34.78
167622 ncm-et-13 1319517 500 217 51 232 +119.89 +/- 14.35 0 11 67 167 5 +265.78 +/- 41.9
167621 ncm-et-3 1314465 500 213 44 243 +122.24 +/- 14.17 0 8 72 163 7 +268.17 +/- 40.54
167620 ncm-et-9 1309987 500 197 65 238 +93.95 +/- 14.38 0 14 93 140 3 +198.34 +/- 35.52
167619 ncm-et-10 1290970 500 210 51 239 +114.45 +/- 13.55 0 8 78 161 3 +254.16 +/- 38.89
167618 ncm-et-4 1298062 500 207 51 242 +112.14 +/- 13.56 0 6 87 152 5 +243.0 +/- 36.62
167617 ncm-et-15 1304820 500 212 54 234 +113.68 +/- 13.89 0 7 84 153 6 +245.2 +/- 37.37
167616 ncm-et-9 1305600 500 201 43 256 +113.68 +/- 13.55 0 8 79 160 3 +251.89 +/- 38.63
167615 ncm-et-3 1294821 500 198 58 244 +99.95 +/- 14.91 1 12 88 144 5 +211.87 +/- 36.55
167614 ncm-et-13 1306890 500 206 36 258 +123.02 +/- 14.97 0 9 73 157 11 +261.07 +/- 40.24
167613 ncm-et-10 1283759 500 196 47 257 +106.77 +/- 14.21 0 12 80 155 3 +232.26 +/- 38.36
167612 ncm-et-3 1291891 500 198 35 267 +117.55 +/- 14.69 0 11 72 160 7 +254.16 +/- 40.45
167611 ncm-et-13 1301982 500 217 40 243 +128.55 +/- 13.38 0 4 72 167 7 +288.06 +/- 40.46
167610 ncm-et-4 1311678 500 208 52 240 +112.14 +/- 14.38 0 10 80 154 6 +240.82 +/- 38.39
167609 ncm-et-9 1312499 500 202 48 250 +110.6 +/- 14.38 0 9 85 149 7 +234.38 +/- 37.19
167608 ncm-et-15 1287286 500 209 46 245 +117.55 +/- 15.0 2 10 65 169 4 +265.78 +/- 42.44
167607 ncm-et-10 1284257 500 211 49 240 +116.77 +/- 14.04 0 10 72 164 4 +258.75 +/- 40.49

Commit

Commit ID 98dafda6c8d432924821d085fd958c89bc8834c3
Author Alfredo Menezes
Date 2023-02-27 07:26:29 UTC
Simplify condition in step 15 Remove 'ttValue <= alpha' check for negative extension in singular search. Also apply some small code style changes. STC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 127888 W: 33766 L: 33651 D: 60471 Ptnml(0-2): 303, 14082, 35089, 14137, 333 https://tests.stockfishchess.org/tests/view/63f79528e74a12625bcd8c05 LTC: LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 89048 W: 23924 L: 23782 D: 41342 Ptnml(0-2): 27, 8635, 27065, 8763, 34 https://tests.stockfishchess.org/tests/view/63f82177e74a12625bcda6f4 LTC (retest): LLR: 2.94 (-2.94,2.94) <-1.75,0.25> Total: 196360 W: 52514 L: 52475 D: 91371 Ptnml(0-2): 103, 19066, 59780, 19151, 80 https://tests.stockfishchess.org/tests/view/63f934bfe74a12625bcdd929 closes https://github.com/official-stockfish/Stockfish/pull/4407 Bench: 5310866
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