Search found 2256 matches

by MikeB
Sat Jul 21, 2018 1:35 pm
Forum: Computer Chess Club: General Topics
Topic: Interesting position, best move b4
Replies: 14
Views: 689

Re: Interesting position, best move b4

1k1r2r1/pb5n/1qpp2pP/1pb1p3/4P3/1PNP1QN1/1PPB4/2K2R1R w - - 0 1 infinite: 0 time: 0 increment: 0 moves to go: 0 [snip] McBrain 9.5 dep score nodes time (not shown: tbhits knps seldep) 36 +1.62 5.34G 4:48.02 b4 Bxb4 Qf7 Rh8 Qxg6 Bc8 Nf5 Rd7 Be3 Qa5 Nb1 Qd8 Nd2 Nf8 Qg5 Qxg5 Bxg5 Ne6 Be7 a5 c3 Bc5 Nb3...
by MikeB
Sat Jul 21, 2018 6:17 am
Forum: Computer Chess Club: General Topics
Topic: Mate in 9, what could be simpler
Replies: 5
Views: 327

Re: Mate in 9, what could be simpler

Chest solves it quickly. Some engines have trouble. r1bk3r/pp6/2nN4/3N2qn/2Kbppp1/P7/1PP1B1P1/R1BQ3R b - - acn 44675735; acs 142; bm Qxd5+; ce 32750; dm 9; pv Qxd5+ Kxd5 Nf6+ Kc4 Be6+ Kb5 a6+ Ka4 b5+ Nxb5 axb5+ Kxb5 Ra5+ Kxc6 Bd5+ Kd6 Ne8#; Houdini 6 Tactical 1 solves it instantly. on very weak Pi ...
by MikeB
Fri Jul 20, 2018 3:22 am
Forum: Computer Chess Club: General Topics
Topic: Interesting mate in 15
Replies: 9
Views: 378

Re: Interesting mate in 15

8/6p1/1pp5/k7/1p6/1P6/6pK/6Qb w - - bm Qa1+; acd 42; acs 557; bm Qa1+; ce 32738; dm 15; id "yacpdb id 329478"; pm Qa1+; pv Qa1+ Kb5 Kg1 g6 Qh8 Ka6 Qa8+ Kb5 Qa1 g5 Qh8 Ka6 Qa8+ Kb5 Qa1 g4 Qh8 Ka6 Qa8+ Kb5 Qa1 g3 Qh8 Ka6 Qa8+ Kb5 Qa1 Kc5 Qe5+; It is easy to find mate, and even the key move. Finding m...
by MikeB
Thu Jul 19, 2018 12:43 am
Forum: Computer Chess Club: General Topics
Topic: Interesting mate in 15
Replies: 9
Views: 378

Re: Interesting mate in 15

8/6p1/1pp5/k7/1p6/1P6/6pK/6Qb w - - bm Qa1+; acd 42; acs 557; bm Qa1+; ce 32738; dm 15; id "yacpdb id 329478"; pm Qa1+; pv Qa1+ Kb5 Kg1 g6 Qh8 Ka6 Qa8+ Kb5 Qa1 g5 Qh8 Ka6 Qa8+ Kb5 Qa1 g4 Qh8 Ka6 Qa8+ Kb5 Qa1 g3 Qh8 Ka6 Qa8+ Kb5 Qa1 Kc5 Qe5+; It is easy to find mate, and even the key move. Finding m...
by MikeB
Wed Jul 18, 2018 5:02 am
Forum: Computer Chess Club: General Topics
Topic: SF doesn't see mate in 8
Replies: 29
Views: 1510

Re: SF doesn't see mate in 8

current McBrain 9.6 ( not released) sees it in 48 seconds on my machine using a modified Monte Carlo search function written originally by Stefano Cardanobile info depth 27 seldepth 44 multipv 1 score cp -54 nodes 847038041 nps 19471691 hashfull 244 tbhits 0 time 43501 pv c4d3 b8c6 b1d2 g6g7 d3f5 d8...
by MikeB
Wed Jul 18, 2018 4:54 am
Forum: Computer Chess Club: General Topics
Topic: Interesting position, best move b4
Replies: 14
Views: 689

Re: Interesting position, best move b4

1k1r2r1/pb5n/1qpp2pP/1pb1p3/4P3/1PNP1QN1/1PPB4/2K2R1R w - - 0 1 infinite: 0 time: 0 increment: 0 moves to go: 0 [snip] McBrain 9.5 dep score nodes time (not shown: tbhits knps seldep) 36 +1.62 5.34G 4:48.02 b4 Bxb4 Qf7 Rh8 Qxg6 Bc8 Nf5 Rd7 Be3 Qa5 Nb1 Qd8 Nd2 Nf8 Qg5 Qxg5 Bxg5 Ne6 Be7 a5 c3 Bc5 Nb3...
by MikeB
Wed Jul 18, 2018 4:46 am
Forum: Computer Chess Club: General Topics
Topic: Extremely long forced mate from S11 Stockfish vs Chiron match
Replies: 14
Views: 646

Re: Extremely long forced mate from S11 Stockfish vs Chiron match

an 11 minute search with no EGTB with McBrain 9.6 (not yet released) , this version has a modified Monte Carlo search originally written by Stefano Cardanobile, finds the first mate in just over 5 minutes and just over 9 billion nodes searched Mac-Pro:~/cluster.mfb % McBrain-96 McBrain 9.6 64 POPCNT...
by MikeB
Mon Jul 16, 2018 3:47 pm
Forum: Computer Chess Club: General Topics
Topic: how will Leela fare at the WCCC?
Replies: 173
Views: 8049

Re: how will Leela fare at the WCCC?

I m very surprised the Komodo team refused a draw. To me it is very unfair. Leela is not the favorite here, and even if it was, it would have been unfair. Now if Komodo win, who's gonna be happy for the team ? Few people and most won't. Game is a draw. First time Leela play, and they refuse draw be...
by MikeB
Fri Jul 13, 2018 5:10 am
Forum: Computer Chess Club: General Topics
Topic: how will Leela fare at the WCCC?
Replies: 173
Views: 8049

Re: how will Leela fare at the WCCC?

what's your opinion? does anyone know what hardware will it run on? I suspect she will do very well since she will be on the hardware she was designed for. It's going to create quite a stir, if she wins. The progress has been amazing, I used to be able to beat it ( albeit on very weak hardware - re...
by MikeB
Fri Jul 13, 2018 4:59 am
Forum: Computer Chess Club: General Topics
Topic: LcZero as android engine?
Replies: 5
Views: 365

Re: LcZero as android engine?

PeterO wrote:
Thu Jul 12, 2018 3:43 pm
Hi chessfriends,

can somebody make a LcZero engine for android?

Peter
I'm sure somebody could - we already have it for the Raspberry/DGT Pi, with credit and huge thanks to Al Scally!