Search found 122 matches

by MOBMAT
Thu Apr 02, 2020 4:44 am
Forum: Computer Chess Club: General Topics
Topic: Honey XIr1 source released
Replies: 13
Views: 818

Re: Honey XIr1 source released

besides lots of hash, syzygy, and threads, what other setting maximize finding mates the quickest?
by MOBMAT
Fri Mar 27, 2020 5:07 pm
Forum: Computer Chess Club: General Topics
Topic: LC0 autoconfigure would be nice.
Replies: 4
Views: 439

Re: LC0 autoconfigure would be nice.

It has so many, I'm afraid to touch them.
by MOBMAT
Thu Mar 12, 2020 2:19 am
Forum: Computer Chess Club: General Topics
Topic: mate test positions
Replies: 32
Views: 3715

Re: mate test positions

Another misprint LOL 8/1p6/p7/3p2k1/3b1pP1/1P3P2/1B2nK2/8 w - - 0 57 published as either Kxe2 or Ke1 as -mate in 16 Kxe2 is -M16 but Ke1 is -M15 FEN: 8/1p6/p7/3p2k1/3b1pP1/1P3P2/1B2nK2/8 w - - 0 57 Stockfish DEV 20030407: --------------------------------------------------------------------------- 83...
by MOBMAT
Tue Mar 10, 2020 5:18 am
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Removing Large Arrays
Replies: 36
Views: 3592

Re: Removing Large Arrays

Without looking at where it is called, i'm guessing that since it relates to endgame positions, the slow-down isn't noticed as much, but then again, how much memory is actually saved? if it is a memory/speed issues, one could use char or uchar to really save space at the expense of a slight slow-dow...
by MOBMAT
Sat Mar 07, 2020 3:01 am
Forum: Computer Chess Club: General Topics
Topic: mate test positions
Replies: 32
Views: 3715

Re: mate test positions

Another... 8/1p4k1/p7/3p2n1/Pb1P1pP1/1P3P2/r3BK1p/B4R2 b - - 3 45 Published as M22 Nh3+ , but that move is actually M20 and there is a better move, Kg6 at M18 FEN: 8/1p4k1/p7/3p2n1/Pb1P1pP1/1P3P2/r3BK1p/B4R2 b - - 3 45 Stockfish DEV 20030407: 64 10:21 5,123,066k 8,247k +M32 45. ... Nh3+ 46.Kg2 Ng5 4...
by MOBMAT
Sat Mar 07, 2020 2:33 am
Forum: Computer Chess Club: General Topics
Topic: mate test positions
Replies: 32
Views: 3715

Re: mate test positions

Brain leak, sorry

I misread the output.

g4+ @ -M13 is correct. the duals are the -M14 moves.

This FEN list has many unsolved mysteries!
by MOBMAT
Fri Mar 06, 2020 4:41 pm
Forum: Computer Chess Club: General Topics
Topic: mate test positions
Replies: 32
Views: 3715

Re: mate test positions

3k3r/R5R1/p3P3/3P2pp/8/5K2/1r5P/8 b - - 2 33 No move given. It is a dual. M14 is correct FEN: 3k3r/R5R1/p3P3/3P2pp/8/5K2/1r5P/8 b - - 2 33 Stockfish DEV 20030407: 8 00:00 104k 7,434k -6.32 33. ... Rb8 34.Rxg5 h4 35.d6 Ke8 36.Ke4 Kd8 8 00:00 104k 7,434k -5.92 33. ... g4+ 34.Ke4 Kc8 35.Ra8+ Rb8 36.Rx...
by MOBMAT
Fri Mar 06, 2020 4:25 pm
Forum: Computer Chess Club: General Topics
Topic: mate test positions
Replies: 32
Views: 3715

Re: mate test positions

3b4/1p6/p7/3p2k1/3P1pP1/1P3P2/1B2n1K1/8 b - - 5 55 Published as M21, but M19 found. FEN: 3b4/1p6/p7/3p2k1/3P1pP1/1P3P2/1B2n1K1/8 b - - 5 55 Stockfish DEV 20030407: 8 00:00 15k 4,893k +6.59 55. ... Bb6 56.Kf2 Nxd4 57.Bxd4 Bxd4+ 58.Ke2 Bb2 59.Kd3 Kh4 9 00:00 18k 4,609k +6.59 55. ... Bb6 56.Kf2 Nxd4 5...
by MOBMAT
Fri Mar 06, 2020 3:54 am
Forum: Computer Chess Club: General Topics
Topic: mate test positions
Replies: 32
Views: 3715

Re: mate test positions

1r1k3r/R5R1/p7/3PP1pp/8/8/6KP/8 w - h6 0 32 In the list, this is published as a M16 starting with e6. Stockfish 20030407 found Rad7+ in 15. FEN: 1r1k3r/R5R1/p7/3PP1pp/8/8/6KP/8 w - h6 0 32 Stockfish DEV 20030407: 8 00:00 74k 4,929k +4.44 32.Rxg5 Rc8 33.e6 h4 34.d6 Rc2+ 35.Kh3 8 00:00 74k 4,929k +4....
by MOBMAT
Wed Mar 04, 2020 5:12 pm
Forum: Computer Chess Club: General Topics
Topic: Published FEN with wrong move
Replies: 2
Views: 418

Published FEN with wrong move

I was going through a list of FENs that were unsolved or had the wrong results/move and found this one... 1br3k1/1p4p1/p3p2r/5pq1/3Nb3/P1B1PpP1/1P1R3P/2R1Q1K1 b - - The published move is f2+. I searched and only found one site that had the correct move, though it is confusing what it means.. http://...