Search found 1015 matches

by George Tsavdaris
Mon Sep 17, 2018 11:37 am
Forum: Computer Chess Club: General Topics
Topic: Chess.com 2018 computer chess championship
Replies: 279
Views: 49917

Re: Chess.com 2018 computer chess championship

They need to implement tablebase adjudication for this tournament to cut down o the number of times we end up watching engines messing about for 100+ moves of pointless crap. It works perfectly fine for TCEC. I don't see why CCCC couldn't do it as well. At least 6 man if not 7 man adjudication. It ...
by George Tsavdaris
Thu Sep 13, 2018 7:45 pm
Forum: Computer Chess Club: General Topics
Topic: Chess.com 2018 computer chess championship
Replies: 279
Views: 49917

Re: Chess.com 2018 computer chess championship

Nirvana-Fire game: Nirvana found 24.Qd1!! that draws. Most engines want to play Kh2 that must lose as i've analyzed, even though it's a tough endgame(Queen endgame with black to have 1 more Pawn and black King to have a good shelter for checks). How much time for Qd1? [d]6k1/2p2pp1/p4qp1/1P6/2pP1n2/...
by George Tsavdaris
Tue Sep 11, 2018 10:57 pm
Forum: Computer Chess Club: General Topics
Topic: interesting endgame in CCCC
Replies: 11
Views: 2182

Re: interesting endgame in CCCC

Speaking of interesting endgames, I found this gem in the Fritz-Ethereal game. 8/5B2/8/B2n1P2/3n2Pb/p7/4k3/1K6 b - - 1 70 The key 70...Bd8!! was a bolt from the blue! Fritz-Ethereal went like this so i wonder for what game you are talking about. :D [Event "CCCC 1: Rapid Rumble (15|5) Stage 1"] [Sit...
by George Tsavdaris
Sun Sep 09, 2018 9:01 am
Forum: Computer Chess Club: General Topics
Topic: interesting endgame in CCCC
Replies: 11
Views: 2182

Re: interesting endgame in CCCC

Problem is that after 168.Ka7 black instead of 168...Kg5 can play 168...Qa2+ And then after the forced: 169.Kb6 Qb3+ 170.Ka6 Qa4+ 171.Kb6 Qb4+ 172.Ka6 Kf4 and is this a draw? Maybe. [d]2Q5/1P6/K7/2P1bp2/1q3k2/8/8/8 w - - 0 173 I got someone on Leela's discord(Aloril) with full 7 TBs on SSDs with Cf...
by George Tsavdaris
Sun Sep 09, 2018 8:00 am
Forum: Computer Chess Club: General Topics
Topic: interesting endgame in CCCC
Replies: 11
Views: 2182

Re: interesting endgame in CCCC

After 168. Ka7 Kg5 we have 2Q5/KP6/8/2Pqbpk1/8/8/8/8 w - - 31 169 and all moves lose except for one cute one. Yes b8N!! draws. [d]1NQ5/K7/8/2Pqbpk1/8/8/8/8 b - - 0 169 Problem is that after 168.Ka7 black instead of 168...Kg5 can play 168...Qa2+ And then after the forced: 169.Kb6 Qb3+ 170.Ka6 Qa4+ 1...
by George Tsavdaris
Thu Sep 06, 2018 1:28 pm
Forum: Computer Chess Club: General Topics
Topic: No chance
Replies: 178
Views: 32071

Re: No chance

this thread has already 16 sites and we still have no conclusion about the correctness of LT's queensac...the positions inbetween (with mate in 30 or whatever) are very interesting and there are a lot of testpositions in there were engines are blind for very long time but the main-question remains ...
by George Tsavdaris
Wed Sep 05, 2018 12:28 pm
Forum: Computer Chess Club: General Topics
Topic: Testposition and HUGE fail high from Stockfish!!
Replies: 32
Views: 4604

Re: Testposition and HUGE fail high from Stockfish!!

Uri Blass wrote:
Wed Sep 05, 2018 8:31 am

In this case try this trivial mate in 7 that I composed



Stockfish_18090410_x64_modern:
26/14 09:41 3,941,668k 6,782k +M7 1.Ke2 Bd2 2.Kd3 Bda5 3.Kc4 Bgc3 4.Kb5 Bhd4 5.Bc8 Bfg7 6.Ka6 Bg3 7.Bb7+
Nice! :D
by George Tsavdaris
Fri Aug 31, 2018 12:53 pm
Forum: Computer Chess Club: General Topics
Topic: Analysis needed
Replies: 7
Views: 880

Re: Analysis needed

Even after taking a pawn, the EGTB says it's draw : https://lichess.org/analysis/standard/8/8/5K2/k1p1N3/2PbP3/8/8/8_w_-_-_1_7_ What? :D After Nc6+ and then e5 white is winning. I guess you misplaced the King. With King on e6, it's a draw indeed. Well, Nc6 is an illegal move in Vincents position ;-...
by George Tsavdaris
Fri Aug 31, 2018 12:13 pm
Forum: Computer Chess Club: General Topics
Topic: Analysis needed
Replies: 7
Views: 880

Re: Analysis needed

Vinvin wrote:
Fri Aug 31, 2018 11:57 am
Even after taking a pawn, the EGTB says it's draw :
https://lichess.org/analysis/standard/8 ... _w_-_-_1_7_
What? :D
After Nc6+ and then e5 white is winning.

I guess you misplaced the King. With King on e6, it's a draw indeed.
by George Tsavdaris
Fri Aug 31, 2018 11:54 am
Forum: Computer Chess Club: General Topics
Topic: Something goes wrong with lc0 since yesterday?
Replies: 272
Views: 40466

Re: Something goes wrong with lc0 since yesterday?

There's an interesting ongoing match between lc0 on 1 P100 and SFdev on 57 threads here: http://tcecbeta.chessdb.cn/bonusbeta/live.html So far after 11 games, SF is +1. Not counting the disconnect at the start of the 15th game, which was counted as loss for SF, after 14 games: +2 -0 =12 for SF dev....