Search found 169 matches

by Glarean
Wed Oct 31, 2018 4:55 pm
Forum: Computer Chess Club: General Topics
Topic: The Halloween Chess Puzzle 2018
Replies: 14
Views: 2121

Re: The Halloween Chess Puzzle 2018

Vinvin wrote:
Wed Oct 31, 2018 4:12 pm
Not so hard for SF on 4*4GHz.
If an engine (such as a modern Stockfish on a 4.4Ghz machine) needs almost a minute for the solution, then the puzzle IS hard... ;-)

Thx: Walter

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by Glarean
Wed Oct 31, 2018 2:44 pm
Forum: Computer Chess Club: General Topics
Topic: The Halloween Chess Puzzle 2018
Replies: 14
Views: 2121

The Halloween Chess Puzzle 2018

. Most chess programs don't like Halloween... ;-) https://glarean-magazin.ch/wp-content/uploads/2018/10/Halloween-Chess-Puzzle-Oktober-2018-Glarean-Magazin.png White moves and wins FEN-String: 1N6/2pp4/3k1P2/p7/1pK1P3/5P1P/3r2N1/8 w (I. Akobia & M. Garcia - Studie 2013) Analyses and PGN download her...
by Glarean
Fri Oct 19, 2018 9:45 pm
Forum: Computer Chess Club: General Topics
Topic: ERET-Test-Suite: New Results
Replies: 6
Views: 1524

Re: ERET-Test-Suite: New Results

There is one difficult problem in the set: 2b1r3/r2ppN2/8/1p1p1k2/pP1P4/2P3R1/PP3PP1/2K5 w - - I think that all three of these plans are draws: 2b1r3/r2ppN2/8/1p1p1k2/pP1P4/2P3R1/PP3PP1/2K5 w - - pv Rf3+ Ke6 Nh6 Rh8 Ng4 d6 a3 Ra8 Kd2 Bb7 Re3+ Kd7 Ke2 Rhg8 f3 Raf8 Rd3 Kc6 Ne3 Bc8 Kf2 Rg7 Rd1 Rh8 Kg1...
by Glarean
Thu Oct 18, 2018 6:13 pm
Forum: Computer Chess Club: General Topics
Topic: ERET-Test-Suite: New Results
Replies: 6
Views: 1524

Re: ERET-Test-Suite: New Results

Vinvin wrote:
Thu Oct 18, 2018 11:20 am
Hi, Walter !
Is there the same positions as here : http://rybkaforum.net/cgi-bin/rybkaforu ... #pid573015 ?
Vincent
Hi Vincent
Yes. (However, my tests ran without 6-syzygy tablebases and with 15 seconds per position).
Walter
by Glarean
Thu Oct 18, 2018 8:12 am
Forum: Computer Chess Club: General Topics
Topic: ERET-Test-Suite: New Results
Replies: 6
Views: 1524

Re: ERET-Test-Suite: New Results

My current ERET Ranking looks like this: Engine Solutions Stockfish 9 77/111 Houdini 6.03 76/111 Komodo 12.1.1 75/111 Ethereal 11.12 66/111 Deep Shredder 13 61/111 Booot 6.3 57/111 Andscacs 0.94 54/111 LC0 18.1 (Cuda) 54/111 Fritz 16 53/111 Equinox 3.3 50/111 Critter 1.6a 49/111 Gull 3.1 45/111 Chi...
by Glarean
Wed Oct 17, 2018 8:17 pm
Forum: Computer Chess Club: General Topics
Topic: ERET-Test-Suite: New Results
Replies: 6
Views: 1524

ERET-Test-Suite: New Results

The ERET Chess Test is a collection of 111 easy and difficult puzzles for bad and good chess programs. Its first release was in spring 2017. The ERET collection has the job to test the playing strength of new chess programs within half an hour at the most. Therefore it contains 111 sample positions ...
by Glarean
Sat Apr 14, 2018 10:21 pm
Forum: Computer Chess Club: General Topics
Topic: Glory and Misery of Anti-Computer-Chess
Replies: 8
Views: 2197

Glory and Misery of Anti-Computer-Chess

There is a new computer chess report in "Glarean Magazine": "Glory and misery of anti-computer chess" https://glarean-magazin.ch/2018/04/14/anti-computerschach-human-vs-machine-report-carstens-tsvetkov/ It covers Lyudmil Tsvetkov, "Carl Carstens", Pablo Restrepo ("Grand-Father") and others. (Use the...
by Glarean
Sat Dec 30, 2017 4:50 pm
Forum: Computer Chess Club: General Topics
Topic: AlphaZero: The 10 Top Shots
Replies: 77
Views: 19084

AlphaZero: The 10 Top Shots

Me and my good friends from the Engine Valley have investigated AlphaZero's 10 winning games against Stockfish8.... Here are my most 10 beautiful top shots of AZ. Gentleman, start your engines... Have fun and a wonderful new year! Walter . Game 01 (Black): bm Bc8 [D]3rqbk1/2p3p1/b6p/Q1p5/2N1PP2/1P1P...
by Glarean
Fri Oct 20, 2017 12:30 pm
Forum: Computer Chess Club: General Topics
Topic: Godzilla Endgame Chess Puzzles (2)
Replies: 12
Views: 2302

Re: Godzilla Endgame Chess Puzzles (2)

peter wrote:Thanks a lot, Walter!
Nr. 5, the Garcia- study seems to be "cookable" to me:
Yeah, Pete, GECP 05 is a draw. Too bad about the great cavalry... ; -(
Thx for your effort.
by Glarean
Fri Oct 20, 2017 12:24 pm
Forum: Computer Chess Club: General Topics
Topic: Godzilla Endgame Chess Puzzles (2)
Replies: 12
Views: 2302

Re: Godzilla Endgame Chess Puzzles (2)

Vinvin wrote:I started a test with this 14 positions (GECP1+GECP2+6 old). The set is at the bottom of this post.
Condition 5 min/position, 6 pieces Syzygy (except for StingSF) , 6*4GHz.
Thanks for your tests and results, Vincent.

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