Search found 67 matches

by fishpov
Sat Apr 24, 2021 12:54 am
Forum: Computer Chess Club: General Topics
Topic: Any compositions like this?
Replies: 75
Views: 15279

Re: Any compositions like this?


.. Rb3+
by fishpov
Sun Mar 14, 2021 1:27 am
Forum: Computer Chess Club: General Topics
Topic: Honey 13
Replies: 32
Views: 8553

Re: Honey 13

I'm pretty sure : Bluefish v13 with fortress detect will become the chess solver champion.
Is it complicated to implement it again ? (Even if we lose a little bit in Elo).
Thanks.
by fishpov
Wed Feb 24, 2021 3:18 pm
Forum: Computer Chess Club: General Topics
Topic: Bluefish v13
Replies: 2
Views: 914

Re: Bluefish v13 (another position)

f3 ! q1N5/b1pB4/1pP5/pP2k1p1/P1P5/6P1/1K3P2/8 w - - 0 1 Only Bluefish can find this (I think) I didn't try yet Deep Pro Analysis and Pro Analysis what is this ? Analysis by Bluefish v13: ..... 10.Kc3 Ke4 11.Bg4 Bb8 12.Kd2 Kd4 13.Be6 Ke5 14.Bd7 Kf6 15.Ke3 Kg7 16.f3 Kf7 17.Kd4 Kf6 18.Kd5 Ba7 19.Bg4 Bb...
by fishpov
Wed Feb 24, 2021 12:36 pm
Forum: Computer Chess Club: General Topics
Topic: Bluefish v13
Replies: 2
Views: 914

Bluefish v13

b5 ! 8/p6p/4P2p/p3K1pP/pPk5/p2r2p1/P5R1/8 w - - 0 1 Bluefish v13 is the first engine to find, in short time, this position ! I think if the fortress detection will be implemented again for bluefish it should be the champion for Hard-Talkchess-2020 Analysis by Bluefish v13: ..... 1.bxa5 Re3+ 2.Kd6 Rd...
by fishpov
Wed Feb 24, 2021 12:42 am
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2020 set, final release
Replies: 207
Views: 92630

Re: Hard-Talkchess-2020 set, final release

Nd4! trap queen, 2009 3k4/2pq3p/pp5R/4P3/P6P/2PN4/1PN3K1/8 w - - 0 1 Bluefish 13 seems good, this is the second engine after Sting which is able to find Nd4. But here in 1h 49mn (Core I5 9600K, 16Go hash) Analysis by Bluefish v13: ...... 1.Kf3 Qxd3+ 2.Ne3 b5 3.Rxa6 b4 4.c4 Qb1 5.e6 Qh1+ 6.Kf4 Qxh4+ ...
by fishpov
Tue Feb 23, 2021 1:07 am
Forum: Computer Chess Club: General Topics
Topic: Honey 13
Replies: 32
Views: 8553

Re: Honey 13

Just if you know what are the engine which have Fortress Detect
Black Diamond : Ok I think
BlueFish : before yes but now no ?
harmon : ?
honey : ?
oki maguro : ?
by fishpov
Wed Feb 17, 2021 2:33 pm
Forum: Computer Chess Club: General Topics
Topic: Crystal 3.1 AVX2 or BMI2 for Intel Core ?
Replies: 2
Views: 772

Crystal 3.1 AVX2 or BMI2 for Intel Core ?

g8B! 2009 kb6/p5P1/P6p/1K3P1P/3p3P/3P4/1p1N4/qB6 w - - 0 1 Something strange in Crystal 3.1 : AVX2 seems better even for Intel Core !? When, I run this position on my Core I5 9600K (6 cores) + 16 Go Hash With AVX2 optimize I get 3 mn 36s With BMI2 optimize I get 22mn 02s With BMI2 optimize (only 1 c...
by fishpov
Mon Feb 15, 2021 3:01 pm
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2020 set, final release
Replies: 207
Views: 92630

Re: Hard-Talkchess-2020 set, final release

Ah sorry, I copied and pasted from a bad location..
Thanks a lot.
by fishpov
Mon Feb 15, 2021 10:53 am
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2020 set, final release
Replies: 207
Views: 92630

Re: Hard-Talkchess-2020 set, final release

This position should be added



1. Nd4 ! Qg7+ 2. Kh3 Qxh6 3. Nf4 ...
Only Sting 27 is able to find it.
by fishpov
Tue Jan 12, 2021 5:52 pm
Forum: Computer Chess Club: General Topics
Topic: Interesting Puzzle for Engines
Replies: 10
Views: 2875

Re: Interesting Puzzle for Engines

Deep Shredder 13 seems very strong for this kind of position.
Found in less than 1 mn.