PenumbraBrah
  • Member for 5 years, 5 months
  • Last seen more than a month ago
5 answers
22 votes
2k views
Least number of moves to achieve a complete switchover of nonpawns in starting setup
8 votes

I came up with this, which is 43 moves, but I think it could be optimized further: [fen ""] 1. h4 h5 2. Rh3 Rh6 3. Rg3 Rf6 4. Rg6 Rf3 5. Rh6 Rh3 6. Rh8 Rh1 7. a4 a5 8. Ra3 Ra6 9. Rc3 Rb6 10. Rc6 Rb3 ...

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4 answers
9 votes
11k views
Losing the queen and then winning the game
7 votes

Play the board, not the pieces. Chess is more than just a game of material advantage--much like war. This is why piece sacrifices exist. Take for example the following game: [FEN ""] [White "Fabiano ...

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5 answers
8 votes
12k views
Is there an online chess game or app that allows for custom setup of pieces?
3 votes

Yes, the very popular lichess website has a mobile app with a board editor that would allow you to setup this position and pretend to play. Here's a screenshot of the board editor: You may also want ...

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3 answers
5 votes
1k views
Looking for sound files from a VERY old version of Chessmaster Live
2 votes

On this forum: http://www.chessbanter.com/rec-games-chess-computer-computer/17342-chessmaster-online-sound-effects.html, one member says the same sound effects were used throughout the desktop ...

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3 answers
8 votes
498 views
Who was A. Karu? (played Paul Keres)
2 votes

The best sources I can find reference a Aivi Karu, who Keres played in correspondence chess. Take note (from Wikipedia): [Keres] played about 500 correspondence games, and at one stage had 150 ...

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3 answers
4 votes
842 views
Automated annotation of good moves
1 votes

Lichess has an excellent import tool with computer aided analysis. After uploading a game and analyzing with Stockfish, you can download an annotated PGN of the game. It adds alternate lines and ...

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2 answers
2 votes
552 views
How to create a useful ECO list?
1 votes

I have created this list, but I'm not sure how well it matches your naming convention: http://cricketchess.pcriot.com/opg/ As a programmer, I can tell you it is very difficult to match an opening to ...

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1 answers
3 votes
496 views
Gull engine : Which depth value to set 6 difficulty levels?
1 votes

You may find this post by the developers of the website https://lichess.org/ helpful. Although they use Stockfish as the engine, they set the search depths as such (note that they have eight levels ...

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1 answers
1 votes
8k views
Opening book for stockfish
1 votes

This github post has links to polyglot books; the Komodo book looks especially enticing to me: https://github.com/michaeldv/donna_opening_books Direct link to Komodo downloads: http://komodochess.com/...

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