Hard Position Revisted

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MikeB
Posts: 4889
Joined: Thu Mar 09, 2006 6:34 am
Location: Pen Argyl, Pennsylvania

Hard Position Revisted

Post by MikeB »

Honey XI-r3

Looks like f4 and Bd1 both win ...
[d]4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - -

Code: Select all

s t 60
info string Hash Table: Windows Large Pages, 256 Mb
Confirmation: Threads set to 60
s h 86688
info string Hash Table: Windows Large Pages, 86688 Mb
Confirmation: Hash set to 86688 Mb
s dpa true
Confirmation: Deep Pro Analysis set to true
s prov 63
Confirmation: Pro Value set to 63
g mt 600
<snip>
info 120 seconds
info depth 73 seldepth 78 multipv 1 score cp 111 wdl 466 530 4 sp 731 nodes 16854926281 nps 140455378 hashfull 513 tbhits 0 time 120002 pv e8d7 g5d2 d7e6 g8g7 c2d3 d2c3 f3f4 h6h5 d3f1 c3e1 a2a4 h5h4 e6f5 g7f7 f5g5 f7e7 g5h4 e7f6 h4g4 e1d2 f1d3 d2e1 g4f3 e1d2 f3e2 d2b4 e2e3 f6e6 d3c4 e6f6 e3f3 b4c3 c4d5 f6f5 d5e4 f5f6 f3g4 c3e1 g4g3 e1c3 g3f3 c3a5 f3e3 a5c3 e4d3 c3b4 e3e4 b4d2 e4d5 d2b4 d5c6 b4a5 c6c7 f6e6 d3b1 e6f6 c7b7 f6e7 b1f5 e7f6 f5g4 f6e7 b7c6 e7f6 g4h3 f6f7 c6b7 f7f6 b7c7 f6f7 h3d7 f7f6 d7c8 f6f7 c7d6 a5c3 c8e6 f7f6

info 3 minutes
info depth 73 seldepth 91 multipv 1 score cp 125 wdl 551 446 3 sp 774 nodes 25411392018 nps 141172831 hashfull 678 tbhits 0 time 180002 pv c2d1

info 4 minutes
info depth 73 seldepth 91 multipv 1 score cp 196 wdl 627 365 8 sp 809 nodes 33939954809 nps 141415299 hashfull 785 tbhits 0 time 240002 pv c2d1

info 5 minutes
info depth 73 seldepth 91 multipv 1 score cp 273 wdl 828 169 3 sp 912 nodes 42729359258 nps 142430247 hashfull 846 tbhits 0 time 300002 pv c2d1

info 6 minutes
info depth 73 seldepth 91 multipv 1 score cp 400 wdl 999 1 0 sp 999 nodes 51955023617 nps 144318708 hashfull 879 tbhits 0 time 360002 pv c2d1

info 7 minutes
info depth 73 seldepth 91 multipv 1 score cp 604 wdl 998 2 0 sp 999 nodes 61367158648 nps 146111586 hashfull 914 tbhits 0 time 420002 pv c2d1

info 8 minutes
info depth 73 seldepth 91 multipv 1 score cp 749 wdl 1000 0 0 sp 1000 nodes 70687607357 nps 147265235 hashfull 938 tbhits 0 time 480002 pv c2d1

info 9 minutes
info depth 73 seldepth 91 multipv 1 score cp 930 wdl 1000 0 0 sp 1000 nodes 79872206848 nps 147910946 hashfull 963 tbhits 0 time 540002 pv c2d1
info depth 74 seldepth 91 multipv 1 score cp 930 wdl 1000 0 0 sp 1000 nodes 88900937182 nps 148167981 hashfull 977 tbhits 0 time 600001 pv c2d1
info depth 74 seldepth 77 multipv 1 score cp 1159 wdl 1000 0 0 sp 1000 nodes 88900937182 nps 148167981 hashfull 977 tbhits 0 time 600001 pv f3f4
bestmove f3f4 ponder g5f4
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peter
Posts: 3186
Joined: Sat Feb 16, 2008 7:38 am
Full name: Peter Martan

Re: Hard Position Revisted

Post by peter »

MikeB wrote: Sun Jul 05, 2020 7:13 am Looks like f4 and Bd1 both win ...
[d]4K1k1/8/1p5p/1Pp3b1/8/1P3P2/P1B2P2/8 w - -
That's a study from Ladislav Salai Jr. and it's a known dual.
Peter.