Search found 1518 matches

by Ajedrecista
Mon Nov 09, 2020 11:43 am
Forum: Computer Chess Club: General Topics
Topic: Engine depth during endgame
Replies: 3
Views: 465

Re: Engine depth during endgame.

Hello Richard: I agree with Dann. Just to bring some numbers into the scene, perft can be useful as well as the number of unique positions. Please imagine the starting position with well-known numbers: rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1 Plies Perft(Plies) Positions(Plies) 0 1 1...
by Ajedrecista
Sun Nov 08, 2020 6:56 pm
Forum: Computer Chess Club: General Topics
Topic: Chess can be dangerous for kids
Replies: 5
Views: 980

Re: Chess can be dangerous for kids.

Hello Ian: Hello Álvaro: https://www.youtube.com/watch?v=iCG5lVDZWmc There are gaps in the video. I found a longer video: https://www.youtube.com/watch?v=HhrvwHrceRg They also featured three three-movers: 2) Very old problem: [Result "1-0"] [Setup "1"] [FEN "5K2/7r/4k1rn/4p3/4P3/5N2/8/3R1R2 w - - 0 ...
by Ajedrecista
Tue Nov 03, 2020 7:18 pm
Forum: Computer Chess Club: Programming and Technical Discussions
Topic: Ancient olithink fossils
Replies: 1
Views: 510

Re: Ancient OliThink fossils.

Hello Dann: Thanks to the CPW article and an old archived post from the CCC , I found the URL of OliThink of those days and let the WayBack Machine to do its magic: http://www.phy.uni-bayreuth.de/~btp434/ http://web.archive.org/*/http://www.phy.uni-bayreuth.de/~btp434/ http://web.archive.org/*/http:...
by Ajedrecista
Thu Oct 29, 2020 7:58 pm
Forum: Computer Chess Club: General Topics
Topic: Chess can be dangerous for kids
Replies: 5
Views: 980

Re: Chess can be dangerous for kids.

Hello Álvaro: https://www.youtube.com/watch?v=iCG5lVDZWmc There are gaps in the video. I found a longer video: https://www.youtube.com/watch?v=HhrvwHrceRg Possible sequence of moves: [Event "TV show"] [Site "Russia"] [Date "2016.11.??"] [White "Osipov, Misha"] [Black "Karpov, Anatoly"] [Result "0-1"...
by Ajedrecista
Thu Oct 29, 2020 6:32 pm
Forum: Computer Chess Club: General Topics
Topic: RoundRobin competition among SF+NNUEs
Replies: 4
Views: 967

Re: Round Robin competition among SF + NNUEs.

Hello: The relative performance of each engine with respect to the winning engine should be: Round Robin with 5 engines and 400 games per engine. Total number of games: 1000 games. Engines: Performance: Score: SF+NNUE (201005) net: nn-baeb9ef2d183: 0.00 51.38 % SF+NNUE (201014) net: nn-04cf2b4ed1da:...
by Ajedrecista
Mon Oct 26, 2020 7:51 pm
Forum: Computer Chess Club: General Topics
Topic: What in the world can that be?!
Replies: 15
Views: 1377

Re: What in the world can that be?!

Hello Dann: I get: A86 Dutch: Hort-Antoshin System After playing 1.- d4, f5; 2.- c4, Nf6; 3.- g3, d6; 4.- Bg2, c6 in Arena 2.0.1 GUI. 'Hort-Antoshin System' search in Google returns lots of results. It is possible that Arena uses a list similar to the next one, which contains: *Version=1.17 *Author=...
by Ajedrecista
Sun Oct 25, 2020 10:49 am
Forum: Computer Chess Club: General Topics
Topic: Looking for Nero source code
Replies: 17
Views: 1865

Re: Looking for Nero source code.

Hello: I could not find Nero 6.x source code. The most I could find were: ------------------------ 1.- The unnamed version cited by Günther seems to be Nero 5 because this web links to the unnamed version source code (there are older versions in the same page). There is a screenshot of Nero 5 here ....
by Ajedrecista
Tue Oct 20, 2020 4:41 pm
Forum: Computer Chess Club: General Topics
Topic: Looking for solutions with predicted variations for these...
Replies: 36
Views: 10410

Re: Looking for solutions with predicted variations for these...

Hello: ChestUCI.epd mates that I do not have a worked out solution for: 4K2k/rr2p1R1/1p4BB/1p3pp1/4p1P1/pb1p4/2n5/1n5R w - - bm #46; 00:36+ @ C2/R0/K3/P4/X7; seen this one published as #46, but Crystal found a M41. 4K2k/rr2p1R1/1p4BB/1p3pp1/4p1P1/pb1p4/2n5/1n5R w - - 0 1 [...] Chest 5.2 with C2/R0/K...
by Ajedrecista
Mon Oct 19, 2020 7:00 pm
Forum: Computer Chess Club: General Topics
Topic: Looking for solutions with predicted variations for these...
Replies: 36
Views: 10410

Re: Looking for solutions with predicted variations for these...

Hello: ChestUCI.epd mates that I do not have a worked out solution for: 8/p3p2p/p4p2/p3b3/Pp6/kP6/Pp5N/1K6 w - - bm #39; 00:23+ @ C2/R0/K1/P4/X16; I didn't see a solution published for this one...so here is one offering. 8/p3p2p/p4p2/p3b3/Pp6/kP6/Pp5N/1K6 w - - 0 1 [...] This problem is listed in YA...
by Ajedrecista
Fri Oct 16, 2020 6:59 pm
Forum: Computer Chess Club: General Topics
Topic: Funny positional piece sacrifice
Replies: 5
Views: 881

Re: Funny positional piece sacrifice.

Hello: Possible continuation in the Carlsen Tari game. See -> https://youtu.be/lOzbuVz7SbI?t=2576 Thank you for the source. Answering Peter, my intention was giving a sequence of moves that reaches the position although any transposition of the sequence could be valid, so my line was a proposed line...