Dev Builds » 20200413-0716

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 7. This yields an approximate Elo difference and establishes confidence in the strength of the dev builds.

Summary

Host Duration Avg Base NPS Games Wins Losses Draws Elo
ncm-et-3 08:19:26 1964678 3337 2120 74 1143 +248.04 +/- 10.03
ncm-et-4 08:19:43 1964372 3313 2073 47 1193 +247.15 +/- 9.75
ncm-et-9 08:19:34 1968415 3350 2078 60 1212 +242.12 +/- 9.69
ncm-et-10 08:19:37 1964227 3332 2065 63 1204 +241.28 +/- 9.73
ncm-et-13 08:19:32 1961955 3335 2100 61 1174 +247.08 +/- 9.87
ncm-et-15 08:19:48 1972106 3333 2116 61 1156 +249.96 +/- 9.95
20000 12552 366 7082 +245.92 +/- 4.01

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
129364 ncm-et-4 2020-04-14 11:04 00:46:35 1968211 313 198 1 114 +257.24 +/- 31.39
129363 ncm-et-10 2020-04-14 11:01 00:49:46 1965853 332 203 6 123 +237.25 +/- 30.54
129362 ncm-et-15 2020-04-14 11:00 00:50:28 1974824 333 211 4 118 +252.81 +/- 31.14
129361 ncm-et-13 2020-04-14 11:00 00:50:38 1964764 335 215 6 114 +254.09 +/- 31.87
129360 ncm-et-3 2020-04-14 10:59 00:51:25 1963227 337 209 12 116 +232.57 +/- 31.76
129359 ncm-et-9 2020-04-14 10:57 00:52:53 1970485 350 207 5 138 +228.67 +/- 28.63
129358 ncm-et-4 2020-04-14 09:47 01:15:33 1965380 500 307 10 183 +237.58 +/- 25.04
129357 ncm-et-10 2020-04-14 09:45 01:14:04 1963087 500 325 10 165 +257.59 +/- 26.5
129356 ncm-et-13 2020-04-14 09:44 01:14:39 1961846 500 320 13 167 +248.53 +/- 26.39
129355 ncm-et-9 2020-04-14 09:44 01:12:25 1972040 500 311 6 183 +246.3 +/- 24.91
129354 ncm-et-15 2020-04-14 09:44 01:15:16 1972493 500 322 8 170 +256.44 +/- 26.02
129353 ncm-et-3 2020-04-14 09:43 01:14:30 1963073 500 331 7 162 +268.17 +/- 26.68
129352 ncm-et-3 2020-04-14 08:29 01:12:38 1964455 500 332 12 156 +263.42 +/- 27.34
129351 ncm-et-10 2020-04-14 08:29 01:15:05 1964789 500 306 10 184 +236.51 +/- 24.97
129350 ncm-et-4 2020-04-14 08:29 01:16:59 1956248 500 304 3 193 +241.91 +/- 24.04
129349 ncm-et-13 2020-04-14 08:28 01:14:50 1961382 500 322 10 168 +254.16 +/- 26.24
129348 ncm-et-9 2020-04-14 08:28 01:15:12 1963994 500 320 13 167 +248.53 +/- 26.39
129347 ncm-et-15 2020-04-14 08:28 01:14:59 1971265 500 292 14 194 +217.85 +/- 24.34
129346 ncm-et-13 2020-04-14 07:14 01:12:47 1962917 500 322 4 174 +261.07 +/- 25.54
129345 ncm-et-3 2020-04-14 07:14 01:14:08 1962920 500 318 9 173 +250.77 +/- 25.8
129344 ncm-et-4 2020-04-14 07:14 01:14:20 1966620 500 323 4 173 +262.24 +/- 25.63
129343 ncm-et-15 2020-04-14 07:13 01:13:22 1973595 500 312 12 176 +240.82 +/- 25.63
129342 ncm-et-10 2020-04-14 07:12 01:15:51 1968314 500 297 9 194 +228.08 +/- 24.2
129341 ncm-et-9 2020-04-14 07:11 01:15:07 1962303 500 304 5 191 +239.74 +/- 24.27
129340 ncm-et-10 2020-04-14 05:57 01:14:30 1964459 500 314 5 181 +250.77 +/- 25.03
129339 ncm-et-4 2020-04-14 05:57 01:16:03 1963388 500 322 13 165 +250.77 +/- 26.56
129338 ncm-et-3 2020-04-14 05:56 01:16:54 1963840 500 306 5 189 +241.91 +/- 24.42
129337 ncm-et-9 2020-04-14 05:56 01:14:18 1968183 500 312 16 172 +236.51 +/- 26.02
129336 ncm-et-15 2020-04-14 05:56 01:16:01 1963994 500 327 8 165 +262.24 +/- 26.45
129335 ncm-et-13 2020-04-14 05:56 01:17:12 1956941 500 307 6 187 +241.91 +/- 24.61
129334 ncm-et-13 2020-04-14 04:40 01:14:29 1963535 500 304 12 184 +232.26 +/- 25.02
129333 ncm-et-3 2020-04-14 04:40 01:15:03 1975381 500 320 10 170 +251.89 +/- 26.08
129332 ncm-et-15 2020-04-14 04:40 01:14:55 1972345 500 321 7 172 +256.44 +/- 25.82
129331 ncm-et-9 2020-04-14 04:40 01:15:01 1971876 500 326 9 165 +259.91 +/- 26.48
129330 ncm-et-4 2020-04-14 04:40 01:15:43 1965379 500 317 11 172 +247.41 +/- 25.93
129329 ncm-et-10 2020-04-14 04:40 01:16:01 1958628 500 299 11 190 +228.08 +/- 24.55
129328 ncm-et-13 2020-04-14 03:24 01:14:57 1962306 500 310 10 180 +240.82 +/- 25.27
129327 ncm-et-9 2020-04-14 03:24 01:14:38 1970026 500 298 6 196 +232.26 +/- 23.95
129326 ncm-et-4 2020-04-14 03:24 01:14:30 1965379 500 302 5 193 +237.58 +/- 24.13
129325 ncm-et-10 2020-04-14 03:24 01:14:20 1964464 500 321 12 167 +250.77 +/- 26.37
129324 ncm-et-3 2020-04-14 03:24 01:14:48 1959852 500 304 19 177 +224.97 +/- 25.65
129323 ncm-et-15 2020-04-14 03:24 01:14:47 1976226 500 331 8 161 +266.97 +/- 26.8

Commit

Commit ID db59696aaf91641ade911c4a6ca393a1691d78a8
Author Vizvezdenec
Date 2020-04-13 07:16:54 UTC
Scale up space weight with number of blocked pawns This idea is loosely based on stockfish losses in closed positions in different tournaments. Space weight symmetrically increases for both sides the more blocked position is. passed STC https://tests.stockfishchess.org/tests/view/5e919eefaf0a0143109dc8ce LLR: 2.94 (-2.94,2.94) {-0.50,1.50} Total: 16994 W: 3389 L: 3172 D: 10433 Ptnml(0-2): 277, 1931, 3918, 2040, 331 passed LTC https://tests.stockfishchess.org/tests/view/5e91d04faf0a0143109dc8ea LLR: 2.94 (-2.94,2.94) {0.25,1.75} Total: 133386 W: 17316 L: 16763 D: 99307 Ptnml(0-2): 945, 12407, 39524, 12784, 1033 closes https://github.com/official-stockfish/Stockfish/pull/2626 Bench: 4966867
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