Dev Builds » 20140212-1316

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 06:35:29 1990567 2665 162 1083 1420 -125.23 +/- 8.84
ncm-et-4 06:35:37 1981259 2668 137 1120 1411 -134.32 +/- 8.84
ncm-et-5 01:44:49 2024018 707 39 300 368 -134.62 +/- 17.39
ncm-et-6 01:44:50 2025818 724 39 291 394 -126.2 +/- 16.68
ncm-et-7 01:44:46 2012890 699 41 310 348 -140.96 +/- 18.01
ncm-et-8 01:44:46 1976682 720 34 291 395 -129.73 +/- 16.57
ncm-et-9 02:22:30 2004672 974 52 398 524 -129.05 +/- 14.48
ncm-et-10 06:35:33 1978002 2660 158 1078 1424 -125.33 +/- 8.81
ncm-et-11 01:44:50 2018965 729 43 327 359 -142.9 +/- 17.76
ncm-et-12 01:44:49 1995119 709 38 298 373 -133.63 +/- 17.23
ncm-et-13 06:36:01 1985577 2672 174 1128 1370 -129.76 +/- 9.06
ncm-et-14 01:44:48 2019452 723 51 298 374 -123.67 +/- 17.37
ncm-et-15 06:35:26 1987565 2640 155 1053 1432 -123.08 +/- 8.77
ncm-et-16 01:44:45 2004843 710 39 282 389 -123.91 +/- 16.77
20000 1162 8257 10581 -128.85 +/- 3.24

Test Detail

ID Host Started (UTC) Duration Base NPS Games Wins Losses Draws Elo CLI PGN
95995 ncm-et-3 2019-09-13 22:02 00:37:43 1967101 251 18 106 127 -127.2 +/- 29.95
95994 ncm-et-15 2019-09-13 22:02 00:37:31 1971113 248 16 98 134 -119.36 +/- 28.82
95993 ncm-et-10 2019-09-13 22:02 00:37:43 1963700 256 11 104 141 -132.26 +/- 27.7
95992 ncm-et-9 2019-09-13 22:02 00:37:36 1969411 254 19 102 133 -117.85 +/- 29.17
95991 ncm-et-4 2019-09-13 22:02 00:37:40 1944922 248 7 99 142 -135.34 +/- 27.07
95990 ncm-et-13 2019-09-13 22:02 00:37:51 1964917 256 7 115 134 -156.34 +/- 28.39
95334 ncm-et-15 2019-09-08 00:35 00:29:22 1978254 197 14 83 100 -127.07 +/- 33.77
95333 ncm-et-3 2019-09-08 00:35 00:29:24 1972496 195 16 70 109 -98.79 +/- 31.99
95332 ncm-et-10 2019-09-08 00:35 00:29:09 1958928 191 8 90 93 -159.49 +/- 34.82
95331 ncm-et-4 2019-09-08 00:34 00:29:58 1976704 207 8 93 106 -151.61 +/- 32.31
95330 ncm-et-13 2019-09-08 00:34 00:30:35 1968164 197 11 87 99 -141.35 +/- 33.81
95329 ncm-et-13 2019-09-07 23:20 01:12:19 1968932 500 35 211 254 -127.76 +/- 21.13
95328 ncm-et-3 2019-09-07 23:20 01:14:03 1979035 500 19 214 267 -143.07 +/- 20.16
95327 ncm-et-10 2019-09-07 23:19 01:14:16 1961093 500 41 185 274 -102.97 +/- 20.2
95326 ncm-et-15 2019-09-07 23:19 01:14:50 1977162 500 24 211 265 -136.56 +/- 20.38
95325 ncm-et-4 2019-09-07 23:18 01:15:02 1974837 500 27 209 264 -132.54 +/- 20.49
95324 ncm-et-3 2019-09-07 22:05 01:14:03 1979566 500 41 188 271 -105.25 +/- 20.35
95323 ncm-et-13 2019-09-07 22:04 01:14:54 1970801 500 41 200 259 -114.45 +/- 20.94
95322 ncm-et-10 2019-09-07 22:03 01:15:17 1962162 500 42 197 261 -111.37 +/- 20.85
95321 ncm-et-15 2019-09-07 22:03 01:14:53 1972824 500 30 186 284 -112.14 +/- 19.54
95320 ncm-et-4 2019-09-07 22:03 01:14:24 1972984 500 23 210 267 -136.56 +/- 20.25
95319 ncm-et-3 2019-09-07 20:48 01:15:34 1987412 500 26 203 271 -128.55 +/- 20.11
95318 ncm-et-15 2019-09-07 20:48 01:14:03 1977629 500 26 200 274 -126.18 +/- 19.96
95317 ncm-et-4 2019-09-07 20:48 01:13:51 1969264 500 17 226 257 -154.7 +/- 20.62
95316 ncm-et-13 2019-09-07 20:48 01:15:26 1976389 500 34 206 260 -124.6 +/- 20.81
95315 ncm-et-10 2019-09-07 20:48 01:14:07 1961715 500 26 204 270 -129.35 +/- 20.16
27052 ncm-et-15 2018-05-06 23:18 00:29:05 2018070 195 12 76 107 -118.41 +/- 32.15
27051 ncm-et-7 2018-05-06 23:18 00:29:37 2025245 199 9 84 106 -137.73 +/- 32.22
27050 ncm-et-5 2018-05-06 23:17 00:30:14 2022956 207 10 84 113 -129.94 +/- 31.11
27049 ncm-et-12 2018-05-06 23:17 00:30:39 1975859 209 7 84 118 -134.32 +/- 29.94
27048 ncm-et-16 2018-05-06 23:17 00:30:53 2019861 210 9 79 122 -120.41 +/- 29.43
27047 ncm-et-10 2018-05-06 23:17 00:31:05 2020836 213 8 84 121 -129.67 +/- 29.61
27046 ncm-et-3 2018-05-06 23:16 00:30:56 2024427 219 11 93 115 -136.74 +/- 31.08
27045 ncm-et-4 2018-05-06 23:16 00:31:15 2006494 213 20 72 121 -86.57 +/- 30.37
27044 ncm-et-13 2018-05-06 23:16 00:32:04 2023284 219 15 95 109 -133.06 +/- 32.38
27043 ncm-et-6 2018-05-06 23:15 00:32:22 2025736 224 14 84 126 -112.33 +/- 29.49
27042 ncm-et-14 2018-05-06 23:15 00:32:18 2020021 223 13 93 117 -130.44 +/- 30.93
27041 ncm-et-9 2018-05-06 23:15 00:32:44 2022304 220 11 86 123 -123.38 +/- 29.7
27040 ncm-et-11 2018-05-06 23:14 00:33:12 2017420 229 14 103 112 -142.52 +/- 31.93
27039 ncm-et-8 2018-05-06 23:14 00:33:16 1931225 220 9 91 120 -136.05 +/- 30.06
27038 ncm-et-4 2018-05-06 22:02 01:13:27 2023610 500 35 211 254 -127.76 +/- 21.13
27037 ncm-et-11 2018-05-06 22:02 01:11:38 2020510 500 29 224 247 -143.07 +/- 21.41
27036 ncm-et-16 2018-05-06 22:02 01:13:52 1989825 500 30 203 267 -125.39 +/- 20.39
27035 ncm-et-3 2018-05-06 22:02 01:13:46 2023936 500 31 209 260 -129.35 +/- 20.76
27034 ncm-et-6 2018-05-06 22:02 01:12:28 2025900 500 25 207 268 -132.54 +/- 20.24
27033 ncm-et-13 2018-05-06 22:02 01:12:52 2026555 500 31 214 255 -133.34 +/- 21.02
27032 ncm-et-12 2018-05-06 22:02 01:14:10 2014380 500 31 214 255 -133.34 +/- 21.02
27031 ncm-et-5 2018-05-06 22:02 01:14:35 2025081 500 29 216 255 -136.56 +/- 20.99
27030 ncm-et-7 2018-05-06 22:02 01:15:09 2000536 500 32 226 242 -142.26 +/- 21.71
27029 ncm-et-9 2018-05-06 22:02 01:12:10 2022303 500 22 210 268 -137.37 +/- 20.18
27028 ncm-et-14 2018-05-06 22:02 01:12:30 2018883 500 38 205 257 -120.67 +/- 21.01
27027 ncm-et-10 2018-05-06 22:02 01:13:56 2017583 500 22 214 264 -140.62 +/- 20.38
27026 ncm-et-15 2018-05-06 22:02 01:15:42 2017907 500 33 199 268 -119.89 +/- 20.39
27025 ncm-et-8 2018-05-06 22:02 01:11:30 2022140 500 25 200 275 -126.97 +/- 19.89

Commit

Commit ID b534176d4acc15ca5d7fdf3f44d1afb4e33c899a
Author Marco Costalba
Date 2014-02-12 13:16:21 UTC
Revert "Retire null search verification" Although does not change ELO level, it seems verification is useful in many zugzwang positions as reported by many sources. So revert this simplification. bench: 8430785
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