Search found 801 matches

by Norm Pollock
Sun Jun 14, 2020 1:37 pm
Forum: Computer Chess Club: General Topics
Topic: Puzzle of the day
Replies: 2
Views: 182

Re: Puzzle of the day

The 2nd position is 2 moves down from the first position.

1. Nc2-e3+ Kc4-b3 2. c6-c7 b5-b4

Black made a fortress so that if White promotes to a Queen it is a stalemate if 3. R-f1+ Nxf1 is stalemate. (3. Qc1 loses).

White has to do an underpromotion - bishop which will try to get to checkmate at d1.
by Norm Pollock
Sun Jun 07, 2020 2:49 am
Forum: Computer Chess Club: General Topics
Topic: Is there a name for this opening?
Replies: 13
Views: 653

Re: Is there a name for this opening?

This is the closest that I found in scid.eco, which is the database SCID uses for ECO. The only difference is that this position has one more White move ( Nge2 ). rn1qkbnr/pp3ppp/2p1p1b1/3pP3/3P2P1/2N5/PPP1NP1P/R1BQKB1R b KQkq - eco B12w Caro-Kann: Advance, Main Line, 6.Nge2; compared to the origina...
by Norm Pollock
Mon Apr 06, 2020 10:53 pm
Forum: Computer Chess Club: General Topics
Topic: MEA and temere.epd
Replies: 82
Views: 10451

Re: MEA and temere.epd

Is this an error?

1r3rk1/3qbppp/p1npb3/1p1Np3/4P2P/2PBN3/PP3PP1/R2QK2R w KQ - bm a4; c0 "Nf5=10, a4=9, Qf3=9, Bc2=8";
1r3rk1/3qbppp/p1npb3/1p1Np3/4P2P/2PBN3/PP3PP1/R2QK2R w KQ - bm a4; c0 "Nf5=10, a4=3, Qf3=1, Bc2=0";
by Norm Pollock
Mon Mar 30, 2020 4:38 pm
Forum: Computer Chess Club: General Topics
Topic: Advice on book building
Replies: 30
Views: 2423

Re: Advice on book building

I just want to add a few suggestions on filtering pgn games before using them to build a book. 1. Limit games to quality players in quality events. For example, minimum elo 2300+, no exhibitions. 2. Limit games to comparable opponents. For example, elo difference could have a maximum of 100. 3. Do n...
by Norm Pollock
Mon Mar 23, 2020 1:15 am
Forum: Computer Chess Club: General Topics
Topic: Looking for a PGN utility to remove chess960/frc games
Replies: 5
Views: 567

Re: Looking for a PGN utility to remove chess960/frc games

The tool "fenRemove" in 40H-PGN tool box http://komodochess.com/pub/40H-pgn-utilities/ Here is the readme: =========================(18) fenRemove ============================ "fenRemove" removes games containing a "FEN" tag except when the "FEN" position is the standard opening position. The output...
by Norm Pollock
Thu Mar 19, 2020 9:35 pm
Forum: Computer Chess Club: General Topics
Topic: Use the crisis to solve crisis
Replies: 11
Views: 1569

Re: Use the crisis to solve crisis

Do NOT be discouraged if you do not have a GPU computer. FAH accepts CPU based computers. I have 3 CPU-based boxes connected online to them - all are Intel 5's, 2 have 4 cpu and 1 has 6 cpu. The setup asks for you to choose between low/medium/high. High uses all cpus, Medium uses 1 less cpu than hig...
by Norm Pollock
Wed Mar 11, 2020 12:18 pm
Forum: Computer Chess Club: General Topics
Topic: Is there an easy way to...
Replies: 11
Views: 1611

Re: Is there an easy way to...

...strip duplicate EPDs from a file? And is the a program to break a PGN in to EPD records? Regards, Zenmastur To strip duplicate EPDs, use "epdSingle" from "40H-EPD Tools". Readme is below. You can find the download at http://komodochess.com/pub/40H-pgn-utilities/ Breaking a PGN into EPD records i...
by Norm Pollock
Sat Jan 25, 2020 9:06 pm
Forum: Computer Chess Club: General Topics
Topic: Hard-Talkchess-2020 set, final release
Replies: 119
Views: 17075

Re: Hard-Talkchess-2020 set, final release

Each of the following groups essentially contain the same position. Wouldn't just one of each be sufficient? r1b1qr1k/2p3pp/4p3/1pb1PpN1/pn3N1P/6B1/PPP1QPP1/2KR3R w - - bm Rd8; id "Hard-Talkchess-2020.145" ; r1b1qr1k/2p3pp/4p3/1pb1PpN1/pn3N1P/8/PPP1QPP1/2KR3R w - - bm Rd8; id "Hard-Talkchess-2020.14...
by Norm Pollock
Sun Jan 05, 2020 3:04 am
Forum: Computer Chess Club: General Topics
Topic: Popular opening books
Replies: 38
Views: 6253

Re: Popular opening books

Without changing any data, I made an edited version of the popbooks files. I combined the 3 files. I removed most of the opcodes, only keeping ce and pv. I re-ordered the records by descending ce value. I inserted id's. And then I made 2 "pgn" versions, one with the pv moves, and one without. http:/...
by Norm Pollock
Mon Jul 15, 2019 12:52 pm
Forum: Computer Chess Club: General Topics
Topic: Alan Turing (father of computer chess)
Replies: 1
Views: 738

Alan Turing (father of computer chess)

The times, they are a-changing. Computer pioneer and war hero Alan Turing getting some well-deserved recognition. A movie, an apology, now this.

https://www.bbc.com/news/business-48962557