Search found 471 matches

by yurikvelo
Wed Mar 16, 2016 8:58 pm
Forum: Computer Chess Club: General Topics
Topic: Mate-in-64
Replies: 29
Views: 4220

Re: Mate-in-64

Syzygy is usually bad in resolving shortest DTM, but I find manual multiPV technique rather good set multiPV=2+ and use line which got +250 last (for defending side) or got +250 first (for attacking side) if hash is full and all PV get +250 from start - Clear hash or restart engine +250,00 4.Qh1 Re5...
by yurikvelo
Wed Mar 16, 2016 8:16 am
Forum: Computer Chess Club: General Topics
Topic: Why did it take so long
Replies: 17
Views: 3650

Re: Why did it take so long

Does anybody know what would be the oldest processor you need to beat human world champion chess. I mean no special chess chips. it depends a lot on match rules 1) what kind of opening book is allowed, if at all 2) what time control for PC and for human, blitz, rapid, LTC, correspondence, Pondering...
by yurikvelo
Thu Mar 10, 2016 8:35 pm
Forum: Computer Chess Club: General Topics
Topic: benchmark new smartphones: (Old Thread)
Replies: 657
Views: 1133934

Re: Budget phone

Smartphone vs Desktop challenge Question is whether Stockfish 7 on LG G3 will beat Houdini 4 Pro on Pentium E5200. LG G3 is capable for about 1,400 Knp/s Pentium E2000 is in the 2,000 range for Stockfish/Komodo and fairly in the 3,000 range for semi-obsolete H4 Pro. CCRL 40/40: +6−44=70, whic...
by yurikvelo
Fri Jan 15, 2016 5:54 am
Forum: Computer Chess Club: General Topics
Topic: Branching Factor of top engines
Replies: 79
Views: 23682

Re: Branching Factor of top engines

tttony wrote:Thanks but the link is wrong because is an old test not 2016
link was updated with 3 new runs (last 3 tables)
by yurikvelo
Thu Jan 14, 2016 9:27 pm
Forum: Computer Chess Club: General Topics
Topic: Branching Factor of top engines
Replies: 79
Views: 23682

Re: Branching Factor of top engines

EvgeniyZh wrote:Are there tests on lstests engines (Komodo 9.2, Stockfish dev, Fire 4, Protector)?
I updated link http://pastebin.com/8mpdgPk8

with K9.2, K9.3 and SF-2016
by yurikvelo
Mon Dec 29, 2014 9:54 pm
Forum: Computer Chess Club: General Topics
Topic: Why engines are clueless about this position ?
Replies: 15
Views: 3323

Re: Why engines are clueless about this position ?

19 .Ng5 Which forces Rxf4 gxf4 h6 leaves black exchange down with no compensation. At low Depth (6 <= D <= 37) 19...Rxf4 seem like forced move with value +0.67 for white @ D=37 From D=38 to D=44 stockfish prefer 19...Qa4 with +0.43 @ Depth: 44/76, 24 559mN, tb=43118 (6-men) 19...Qa4 20.Qxa4 Nxa4 21...
by yurikvelo
Tue Dec 23, 2014 8:14 am
Forum: Computer Chess Club: General Topics
Topic: Why engines are clueless about this position ?
Replies: 15
Views: 3323

Re: Why engines are clueless about this position ?

17. Rd1 Rf7 18. Nh3 Nb6 19. Ng5 here 19. .. Rxf4 20. gxf4 h6 are forced moves than D=32 1. +/= (0.41): 21.h4 Qa4 22.Qd2 Qa5 23.Kg3 Na4 2. =/+ (-0.64): 21.Nh3 Na4 22.Qf2 Qxc3 23.Rhg1 Nb2 21. h4 again the only move D=35 1. +/= (0.56): 21...hxg5 22.hxg5 Qa4 23.Qd2 b4 24.Kg3 bxc 2. +/= (0.67): 21...Qa4 ...
by yurikvelo
Mon Dec 22, 2014 11:07 pm
Forum: Computer Chess Club: General Topics
Topic: Far below Fischer
Replies: 32
Views: 5153

Re: Far below Fischer

Lyudmil Tsvetkov wrote:I just state plain and simple that Fischer is stronger than both Komodo and SF. :)
Fischer is rather Alfil or Araminius, than 2700+ engine

http://pastebin.com/jBYsBusq
by yurikvelo
Mon Dec 22, 2014 10:48 pm
Forum: Computer Chess Club: General Topics
Topic: Why engines are clueless about this position ?
Replies: 15
Views: 3323

Re: Why engines are clueless about this position ?

I must say that I show SF 70-80% of the key moves. It always wants to play something else. use multiPV That does not change the best move, and you want to refute or improve precisely on the best move. that show how close are other candidate moves, and probability they can become best move with more...
by yurikvelo
Mon Dec 22, 2014 5:56 pm
Forum: Computer Chess Club: General Topics
Topic: Why engines are clueless about this position ?
Replies: 15
Views: 3323

Re: Why engines are clueless about this position ?

Lyudmil Tsvetkov wrote: I must say that I show SF 70-80% of the key moves. It always wants to play something else.
use multiPV