Dev Builds » 20200826-0519

Use this dev build

NCM plays each Stockfish dev build 20,000 times against Stockfish 15. 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 06:27:58 583380 4000 178 1980 1842 -168.62 ± 4.65 135 1545 307 13 0 -416.75 ± 19.49
ncm-dbt-02 06:26:47 586846 4012 152 1983 1877 -171.19 ± 4.51 129 1585 280 12 0 -434.51 ± 20.42
ncm-dbt-03 06:28:03 585263 4012 159 2001 1852 -172.4 ± 4.36 116 1624 252 14 0 -449.91 ± 21.53
ncm-dbt-04 06:25:54 568171 4000 183 1973 1844 -167.31 ± 4.5 115 1573 300 11 1 -421.93 ± 19.72
ncm-dbt-05 06:28:42 581588 3976 131 1969 1876 -173.79 ± 4.4 130 1583 270 5 0 -448.23 ± 20.79
20000 803 9906 9291 -170.65 ± 2.01 625 7910 1409 55 1 -433.82 ± 9.08

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
460621 ncm-dbt-02 585548 12 0 9 3 -337.54 ± 212.51 3 3 0 0 0 -1199.83 ± 215.27
460620 ncm-dbt-03 586520 12 0 5 7 -154.02 ± 64.21 0 5 1 0 0 -416.21 ± 496.36
460619 ncm-dbt-05 576946 476 16 241 219 -178.41 ± 13.08 19 187 32 0 0 -456.88 ± 62.1
460618 ncm-dbt-01 581777 500 28 249 223 -164.93 ± 12.17 13 195 42 0 0 -415.04 ± 53.59
460617 ncm-dbt-03 585084 500 19 250 231 -173.66 ± 12.2 15 202 32 1 0 -454.76 ± 62.27
460616 ncm-dbt-04 570829 500 36 236 228 -147.19 ± 14.15 15 172 62 0 1 -333.32 ± 43.57
460615 ncm-dbt-02 587367 500 24 247 229 -166.66 ± 12.97 14 198 35 3 0 -419.61 ± 59.12
460614 ncm-dbt-05 580779 500 14 256 230 -183.51 ± 13.29 23 197 29 1 0 -471.92 ± 65.71
460613 ncm-dbt-01 580572 500 30 246 224 -160.64 ± 14.36 19 181 47 3 0 -370.41 ± 50.67
460612 ncm-dbt-03 584832 500 22 253 225 -173.66 ± 12.92 17 199 32 2 0 -444.09 ± 62.18
460611 ncm-dbt-04 568077 500 24 244 232 -164.07 ± 11.76 10 201 38 1 0 -424.28 ± 56.73
460610 ncm-dbt-02 588217 500 17 251 232 -176.32 ± 12.94 18 200 30 2 0 -454.76 ± 64.37
460609 ncm-dbt-05 583531 500 17 248 235 -173.66 ± 11.44 13 205 32 0 0 -466.03 ± 62.14
460608 ncm-dbt-01 581402 500 21 253 226 -174.55 ± 13.76 22 189 38 1 0 -424.28 ± 56.73
460607 ncm-dbt-03 583740 500 15 246 239 -173.66 ± 13.15 17 200 30 3 0 -444.09 ± 64.08
460606 ncm-dbt-04 564880 500 12 250 238 -179.9 ± 12.39 17 206 25 2 0 -484.25 ± 70.99
460605 ncm-dbt-02 587664 500 22 246 232 -167.53 ± 12.45 15 194 41 0 0 -419.6 ± 54.3
460604 ncm-dbt-05 583028 500 17 246 237 -171.9 ± 11.07 11 207 32 0 0 -466.03 ± 62.14
460603 ncm-dbt-01 583950 500 18 249 233 -173.66 ± 11.95 15 201 34 0 0 -454.75 ± 60.11
460602 ncm-dbt-04 569230 500 25 256 219 -173.66 ± 12.92 17 199 32 2 0 -444.09 ± 62.18
460601 ncm-dbt-03 585717 500 17 244 239 -170.15 ± 11.24 10 208 31 1 0 -460.32 ± 63.35
460600 ncm-dbt-02 587367 500 15 237 248 -165.79 ± 13.03 14 197 36 3 0 -415.05 ± 58.26
460599 ncm-dbt-05 579083 500 13 256 231 -184.42 ± 11.94 19 205 26 0 0 -504.31 ± 69.71
460598 ncm-dbt-04 568077 500 23 243 234 -164.07 ± 14.18 18 188 40 4 0 -389.56 ± 55.0
460597 ncm-dbt-02 587877 500 26 254 220 -171.02 ± 13.11 16 199 32 3 0 -433.94 ± 61.95
460596 ncm-dbt-03 586054 500 26 246 228 -164.07 ± 12.23 11 200 37 2 0 -419.61 ± 57.55
460595 ncm-dbt-01 584622 500 21 250 229 -171.9 ± 12.35 15 200 34 1 0 -444.09 ± 60.25
460594 ncm-dbt-02 585084 500 15 248 237 -175.43 ± 12.78 19 195 36 0 0 -444.08 ± 58.27
460593 ncm-dbt-04 566414 500 22 249 229 -170.15 ± 12.25 14 200 35 1 0 -438.95 ± 59.31
460592 ncm-dbt-05 581485 500 17 234 249 -161.49 ± 12.86 13 193 42 2 0 -397.72 ± 53.79
460591 ncm-dbt-01 586520 500 22 248 230 -169.27 ± 13.24 17 194 37 2 0 -419.61 ± 57.55
460590 ncm-dbt-03 584495 500 20 252 228 -174.55 ± 12.37 15 204 29 2 0 -460.32 ± 65.55
460589 ncm-dbt-04 569190 500 18 250 232 -174.55 ± 12.37 16 201 32 1 0 -454.76 ± 62.27
460588 ncm-dbt-02 586520 500 15 249 236 -176.32 ± 12.46 17 201 31 1 0 -460.32 ± 63.35
460587 ncm-dbt-05 583279 500 16 248 236 -174.55 ± 12.85 18 197 34 1 0 -444.09 ± 60.25
460586 ncm-dbt-03 586477 500 17 249 234 -174.55 ± 13.08 17 201 29 3 0 -449.35 ± 65.22
460585 ncm-dbt-01 585253 500 16 246 238 -172.78 ± 14.3 22 189 36 3 0 -415.05 ± 58.26
460584 ncm-dbt-02 585970 500 18 242 240 -167.53 ± 11.97 13 198 39 0 0 -429.05 ± 55.79
460583 ncm-dbt-04 568673 500 23 245 232 -165.79 ± 10.85 8 206 36 0 0 -444.08 ± 58.27
460582 ncm-dbt-03 584453 500 23 256 221 -175.43 ± 11.53 14 205 31 0 0 -471.91 ± 63.24
460581 ncm-dbt-05 584579 500 21 240 239 -163.21 ± 12.75 14 192 43 1 0 -401.92 ± 53.07
460580 ncm-dbt-01 582945 500 22 239 239 -161.49 ± 12.86 12 196 39 3 0 -401.92 ± 55.87

Commit

Commit ID 242a7d9fead561488ca176a4687deef8859918f2
Author VoyagerOne
Date 2020-08-26 05:19:35 UTC
Simplify MCP in QS Simplify moveCount pruning in QS by removing depth dependency. STC LLR: 2.94 (-2.94,2.94) {-1.25,0.25} Total: 42960 W: 4741 L: 4661 D: 33558 Ptnml(0-2): 218, 3574, 13804, 3678, 206 https://tests.stockfishchess.org/tests/view/5f42e3f75089a564a10d8493 LTC LLR: 2.94 (-2.94,2.94) {-0.75,0.25} Total: 66672 W: 3563 L: 3508 D: 59601 Ptnml(0-2): 71, 3064, 26996, 3149, 56 https://tests.stockfishchess.org/tests/view/5f4353285089a564a10d84d0 closes https://github.com/official-stockfish/Stockfish/pull/3067 Bench: 4074430
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