Search found 136 matches

by Ignacio
Tue Aug 18, 2020 7:33 pm
Forum: Computer Chess Club: General Topics
Topic: Mate in 19
Replies: 22
Views: 2180

Re: Mate in 19

Here is your mate in 10: FEN: r5kr/pp2q1pp/2pp3B/3n2Q1/3P4/P4R2/6PP/5RK1 w - - 3 8 Chest 5.2: FEN: r5kr/pp2q1pp/2pp3B/3n2Q1/3P4/P4R2/6PP/5RK1 w - - (9+11) Position-Analysis: C0/R0/K1/P7/X32 W:8/41 Search for 1. Special-Mate [C0/R0/K2/P9/X42] in 126 ... (Hash=2044MB) 10 3:08:42 6.085.802.965 1.043.79...
by Ignacio
Tue Aug 18, 2020 12:23 pm
Forum: Computer Chess Club: General Topics
Topic: Mate in 19
Replies: 22
Views: 2180

Re: Mate in 19.

Hello: The proposed lines between mate in 20 and mate in 17 differ in 12. ... a6 and 12. ... b6, respectively. I searched with Chest 5.2 from this discrespancy just after 12. Qg4 (DefenderMoves option checked) but it did not reach the last ply to probe the mate in 17 after 30 minutes or so because ...
by Ignacio
Tue Aug 11, 2020 8:06 pm
Forum: Computer Chess Club: General Topics
Topic: Pesky FEN of the Day
Replies: 32
Views: 3575

Re: Pesky FEN of the Day

FEN: 4r3/2k1p2q/pp1nR1p1/2pP1pP1/2P2P2/1P6/P1K3B1/4Q3 w - - 0 1 Fire_7.1_x64_popcnt: 33 04:29 2.707.822.029 10.105.472 +M29 Te6xd6 Rc7xd6 De1-e6+ Rd6-c7 De6-c6+ Rc7-d8 Dc6xb6+ Rd8-d7 Db6-b7+ Rd7-d8 d5-d6 e7xd6 Db7xh7 Te8-e2+ Rc2-d3 Te2xg2 Dh7xg6 Rd8-c7 Dg6-f7+ Rc7-b8 Df7-d5 Tg2xa2 Dd5xd6+ Rb8-b7 Dd6...
by Ignacio
Thu Jul 09, 2020 10:02 pm
Forum: Computer Chess Club: General Topics
Topic: To Franz Huber, Bug in ChestUCI5.2 ?
Replies: 17
Views: 938

Re: To Franz Huber, Bug in ChestUCI5.2 ?

Try P2/X9.

Best.
Ignacio
by Ignacio
Mon Jun 22, 2020 11:12 am
Forum: Computer Chess Club: General Topics
Topic: Hard Puzzles found on Gameknot
Replies: 51
Views: 6887

Re: Hard Puzzles found on Gameknot

I have been remiss in reporting my results. This is the one that I have not solved yet: 8/2ppK1p1/2pn2pb/p2b2pk/3R2Rn/B2PP2P/P7/5B2 w - - acd 49; bm Bxd6; ce 2043; dm 24; pv Bxd6; These two I am verifying by 80 ply back-to-front searches of the pvs reported by Mike: 8/1ppr4/br6/1pkp4/2p1Qp2/KPp2p2/...
by Ignacio
Mon Jun 22, 2020 10:31 am
Forum: Computer Chess Club: General Topics
Topic: Hard Puzzles found on Gameknot
Replies: 51
Views: 6887

Re: Hard Puzzles found on Gameknot

I have been remiss in reporting my results. This is the one that I have not solved yet: 8/2ppK1p1/2pn2pb/p2b2pk/3R2Rn/B2PP2P/P7/5B2 w - - acd 49; bm Bxd6; ce 2043; dm 24; pv Bxd6; These two I am verifying by 80 ply back-to-front searches of the pvs reported by Mike: 8/1ppr4/br6/1pkp4/2p1Qp2/KPp2p2/...
by Ignacio
Thu Apr 30, 2020 11:27 am
Forum: Computer Chess Club: General Topics
Topic: Other fun mates
Replies: 103
Views: 22138

Re: Other fun mates

Mate in 19.
by Ignacio
Sat Nov 30, 2019 9:15 pm
Forum: Computer Chess Club: General Topics
Topic: Mate in 11 or not?
Replies: 9
Views: 1376

Re: Mate in 11 or not?

Try Fire 7.1
by Ignacio
Tue Oct 17, 2017 9:12 pm
Forum: Computer Chess Club: General Topics
Topic: Godzilla Endgame Chess Puzzles (2)
Replies: 12
Views: 2921

Re: Godzilla Endgame Chess Puzzles (2)

Walter, one correction in number 6: after 1.Nf6 Rxd5 2.Nxd5 f5 now is mate in 8 with 3.Kb6 (no 3.Rc5).

Ignacio