Dev Builds » 20200826-0516

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 06:29:59 582076 3998 161 1960 1877 -168.39 ± 4.4 110 1591 286 12 0 -430.17 ± 20.2
ncm-dbt-02 06:29:55 586395 4002 145 1983 1874 -172.46 ± 4.53 128 1599 258 15 1 -442.88 ± 21.26
ncm-dbt-03 06:30:08 585738 4000 154 1952 1894 -168.18 ± 4.24 100 1605 288 7 0 -435.18 ± 20.12
ncm-dbt-04 06:30:05 567874 4012 175 1981 1856 -168.47 ± 4.64 129 1566 293 18 0 -419.6 ± 19.95
ncm-dbt-05 06:30:54 583148 3988 176 1952 1860 -166.38 ± 4.4 100 1592 286 16 0 -424.9 ± 20.2
20000 811 9828 9361 -168.77 ± 1.99 567 7953 1411 68 1 -430.39 ± 9.07

Test Detail

ID Host Base NPS Games WLD Standard Elo Ptnml(0-2) Gamepair Elo CLI PGN
448800 ncm-dbt-02 584537 2 0 1 1 -189.7 ± 55.98 0 1 0 0 0 -1129.65 ± 376.02
448799 ncm-dbt-04 570029 12 0 7 5 -231.63 ± 82.16 1 5 0 0 0 -1199.83 ± 215.27
448798 ncm-dbt-05 581735 488 20 237 231 -166.09 ± 12.55 12 195 35 2 0 -424.47 ± 59.27
448797 ncm-dbt-01 579372 498 23 247 228 -168.31 ± 13.12 15 197 34 3 0 -423.52 ± 60.02
448796 ncm-dbt-03 586139 500 26 240 234 -158.93 ± 12.13 11 192 47 0 0 -393.59 ± 50.43
448795 ncm-dbt-02 586520 500 16 243 241 -170.15 ± 13.18 15 201 30 4 0 -433.94 ± 63.67
448794 ncm-dbt-04 565981 500 26 246 228 -164.07 ± 13.14 15 192 41 2 0 -401.92 ± 54.49
448793 ncm-dbt-01 582987 500 23 244 233 -164.93 ± 12.17 11 201 36 2 0 -424.28 ± 58.4
448792 ncm-dbt-03 585379 500 23 237 240 -158.93 ± 12.35 10 196 42 2 0 -397.72 ± 53.79
448791 ncm-dbt-05 585253 500 21 252 227 -173.66 ± 12.2 14 205 29 2 0 -460.32 ± 65.55
448790 ncm-dbt-04 568395 500 26 249 225 -166.66 ± 14.04 17 194 34 5 0 -406.2 ± 59.41
448789 ncm-dbt-02 587325 500 21 247 232 -169.27 ± 12.55 16 194 40 0 0 -424.27 ± 55.03
448788 ncm-dbt-01 583489 500 23 246 231 -166.66 ± 12.28 13 198 38 1 0 -424.28 ± 56.73
448787 ncm-dbt-03 586646 500 19 251 230 -174.55 ± 12.12 15 203 31 1 0 -460.32 ± 63.35
448786 ncm-dbt-05 585295 500 25 243 232 -162.35 ± 13.45 15 191 41 3 0 -393.6 ± 54.43
448785 ncm-dbt-04 568554 500 21 248 231 -170.15 ± 13.18 17 195 36 2 0 -424.28 ± 58.4
448784 ncm-dbt-02 586901 500 17 255 228 -179.9 ± 11.88 17 204 29 0 0 -484.24 ± 65.6
448783 ncm-dbt-01 582027 500 18 245 237 -170.15 ± 12.49 15 198 36 1 0 -433.94 ± 58.41
448782 ncm-dbt-03 586646 500 16 241 243 -168.4 ± 11.9 12 202 35 1 0 -438.95 ± 59.31
448781 ncm-dbt-05 576088 500 19 243 238 -167.53 ± 11.73 9 209 29 3 0 -449.35 ± 65.22
448780 ncm-dbt-02 586139 500 19 246 235 -170.15 ± 12.25 13 203 32 2 0 -444.09 ± 62.18
448779 ncm-dbt-04 565194 500 18 245 237 -170.15 ± 12.72 13 205 28 4 0 -444.09 ± 65.93
448778 ncm-dbt-01 582611 500 18 246 236 -171.02 ± 13.11 15 202 29 4 0 -438.95 ± 64.77
448777 ncm-dbt-03 586181 500 13 241 246 -171.02 ± 12.42 16 196 38 0 0 -433.93 ± 56.58
448776 ncm-dbt-05 583028 500 24 239 237 -159.78 ± 12.75 11 196 40 3 0 -397.72 ± 55.14
448775 ncm-dbt-02 588132 500 15 249 236 -176.32 ± 12.7 17 202 29 2 0 -460.32 ± 65.55
448774 ncm-dbt-04 569111 500 23 244 233 -164.93 ± 11.93 11 200 38 1 0 -424.28 ± 56.73
448773 ncm-dbt-01 582360 500 19 245 236 -169.27 ± 11.32 11 204 35 0 0 -449.34 ± 59.17
448772 ncm-dbt-03 585843 500 15 255 230 -181.7 ± 10.57 13 214 23 0 0 -526.7 ± 74.68
448771 ncm-dbt-02 581527 500 20 243 237 -166.66 ± 13.62 16 195 35 4 0 -410.58 ± 58.88
448770 ncm-dbt-05 580738 500 27 243 230 -160.63 ± 12.01 11 194 45 0 0 -401.91 ± 51.63
448769 ncm-dbt-04 567561 500 21 253 226 -174.55 ± 13.53 19 197 31 3 0 -438.95 ± 62.99
448768 ncm-dbt-01 583112 500 20 242 238 -165.79 ± 12.57 15 192 43 0 0 -410.57 ± 52.91
448767 ncm-dbt-03 584285 500 17 246 237 -171.9 ± 11.34 11 208 30 1 0 -466.04 ± 64.5
448766 ncm-dbt-04 566099 500 16 248 236 -174.55 ± 13.31 21 190 39 0 0 -429.05 ± 55.79
448765 ncm-dbt-05 588217 500 20 252 228 -174.55 ± 12.37 16 201 32 1 0 -454.76 ± 62.27
448764 ncm-dbt-02 587494 500 21 254 225 -175.43 ± 13.24 19 197 32 2 0 -444.09 ± 62.18
448763 ncm-dbt-01 580655 500 17 245 238 -171.02 ± 12.42 15 199 35 1 0 -438.95 ± 59.31
448762 ncm-dbt-04 569949 500 24 241 235 -161.49 ± 13.08 15 188 46 1 0 -389.56 ± 51.18
448761 ncm-dbt-02 588984 500 16 245 239 -171.9 ± 13.05 15 202 31 1 1 -449.35 ± 63.25
448760 ncm-dbt-03 584790 500 25 241 234 -160.64 ± 12.69 12 194 42 2 0 -397.72 ± 53.79
448759 ncm-dbt-05 584832 500 20 243 237 -166.66 ± 12.28 12 201 35 2 0 -429.05 ± 59.28

Commit

Commit ID 95b8f3f8005598fc3ad07a7a8f6440d828cabc29
Author VoyagerOne
Date 2020-08-26 05:16:50 UTC
Remove Reduce Depth Remove Reduce Depth at PV nodes. STC: LLR: 2.94 (-2.94,2.94) {-1.25,0.25} Total: 56760 W: 6299 L: 6236 D: 44225 Ptnml(0-2): 286, 4843, 18076, 4872, 303 https://tests.stockfishchess.org/tests/view/5f41356087a5c3c63d8f53c9 LTC: LLR: 2.95 (-2.94,2.94) {-0.75,0.25} Total: 17496 W: 954 L: 865 D: 15677 Ptnml(0-2): 13, 768, 7098, 855, 14 https://tests.stockfishchess.org/tests/view/5f41bb7687a5c3c63d8f53f9 closes https://github.com/official-stockfish/Stockfish/pull/3055 Bench: 3555051
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