ETD
  • Member for 9 years, 8 months
  • Last seen more than a week ago
  • Pittsburgh, PA
Overprotection Of A Piece
Accepted answer
8 votes

From the cited Wikipedia article: The strategy of protecting a pawn or specific square of the chessboard more than is immediately necessary. This serves to dissuade the opponent from attacking that ...

View answer
Where can I find Pauls' 1874 article on the n-queens problem?
8 votes

The only old documents I find available online from the Deutsche Schachzeitung periodical are from Volumes 20, 21, 44, 45, 56, 57, which are available at the Internet Archive. So if you really are ...

View answer
Yusupov - Spiridonov training question
Accepted answer
8 votes

After the moves 1. ... Kh8 2. Ra1 from your diagram position, the black queen is attacked and the only "safe" squares it has available (where it wouldn't be immediately captured on the following move) ...

View answer
A resource that shows how many ways an opening can be reached?
Accepted answer
8 votes

The point from chubbycantorset's answer about the futility of seeking the number of all ways to reach a position is a good one. Scid has a way of offering more limited (and more practically useful ...

View answer
How do you search a chess database for exchange sacrifices?
8 votes

Chess Query Language does do this very well. The following short .cql file works like a charm to find all games in input.pgn in which one side is up an exchange (while allowing a difference in the ...

View answer
How bad is this reverse Trompowsky?
Accepted answer
8 votes

My database has 1603 games in the line 1.d4 d5 2.Nf3 Bg4, with Black scoring a poor 41.3%. (Contrast this with White scoring 54% over 38,587 games in the Trompowsky.) In particular, White does very ...

View answer
Where can I get a nice set for Capablanca chess?
Accepted answer
8 votes

I'm recording this answer here because it took me quite a bit of searching to find something, primarily because I never found any sets going under the actual name "Capablanca chess." I did find ...

View answer
What's the most prestigious chess competition broadcasted on TV?
Accepted answer
8 votes

Update to add a list of top regular events, per request: These are some of the annual tournaments that are regularly made up largely of elite players (say, from the top 10 in the world). Dortmund ...

View answer
Did Indian systems really have fianchettos?
Accepted answer
8 votes

The page you linked to mentions that "Mohishunder originally played traditional Indian chess, in which pawns did not have the option of moving two squares from the starting row." I think that ...

View answer
What software is good for deliberate practice in specific areas?
Accepted answer
8 votes

I'm confident in saying that there is no such software; though engines are of course incredibly strong players, and their numerical evaluations can certainly pinpoint poor individual moves that you ...

View answer
Bobby Fischer and the U.S
Accepted answer
7 votes

It is not so much that Fischer got exiled as much as it was that he chose to exile himself (though yes, out of a certain necessity). He was indicted by a U.S. court for ignoring sanctions against ...

View answer
Why is white in trouble in the following endgame?
Accepted answer
7 votes

What's bad for White in this position is that his structure is already slightly worse (isolated a-pawn), and that Black can worsen it further. White's advanced d-pawn is actually a liability that ...

View answer
Did Richard Teichmann fail to take his "bishop pair" idea to its logical conclusion?
Accepted answer
7 votes

I'm not going to claim in a black-and-white way that your idea of 20...Bf8 is strictly inferior to Teichmann's 20...Kf8 in objective terms, but I can think of two solid reasons not to play into the ...

View answer
Tools for helping to learn openings by heart
7 votes

Two well-known programs that are meant specifically to aid in the memorization of opening variations are Chess Position Trainer Chess Openings Wizard (formerly Bookup) Both programs are designed to ...

View answer
Wedge pawn formation with slight differences
Accepted answer
7 votes

While it's true that your 10. ... Qg5 prevents the freeing break 11. f3?? (due to 11. ... Qxe3+ followed by ... Qxc3), White could get away with 11. f4 in response if so inclined. If you respond by ...

View answer
When was the term 'Super Grandmaster' first used?
Accepted answer
7 votes

As pointed out in the comments, it's nigh impossible to pin down the very first usage, but since you're after a rough idea, I'll get the ball rolling with an initial answer of the oldest definite use ...

View answer
Which openings give a winning pawn-structure in the endgame?
Accepted answer
7 votes

Here's a somewhat cheap answer: the Nimzowitsch Variation of the Caro-Kann Defense, given by 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6. In the resulting position, if we were to remove ...

View answer
How to play the Albin Counter Gambit
7 votes

This answer is a counterpoint to Prucha's principles, as given in xaisoft's answer, in particular the first principle: The Albin is playable only if it is treated as a pure gambit. Black should not ...

View answer
How can I find games from grandmasters that end in threefold repetition?
6 votes

If you have a collection of games in PGN format, you could probably search for threefold repetitions using the Chess Query Language. In particular, you might look in the "Matching positions: the ...

View answer
Pawn Promotion to Queen
6 votes

You may do so only if the pawn is capturing one of the opponent's pieces; that is the only way a pawn ever moves diagonally. So here you can do what you describe: [fen "3Rn3/k2P4/8/8/8/K7/8/8 w - - 0 ...

View answer
Queen with Knight capabilities
Accepted answer
6 votes

Are there any obscure chess variations where this is allowed? There are. One name for the queen+knight hybrid piece is the Amazon. As noted in the Wikipedia entry on the Amazon piece I just linked to,...

View answer
What are the setups/patterns useful in defence?
Accepted answer
6 votes

Yes, there are some standard setups/patterns that are useful specifically for defense, and the most "absolute" such defensive setups in chess go under the term fortress, which are setups in which the ...

View answer
Is there chess software to play against that rates your skill through actual games?
6 votes

I realize what I'm about to suggest isn't exactly what you have in mind, but still, it is technically software, and it rates your skill through actual games: play games online against other people, e....

View answer
A chess story about three sailors
Accepted answer
6 votes

The story is "The Three Sailors' Gambit" (1916) by Lord Dunsany, who was an interesting character. Besides being a prolific writer, he was a winner of the Irish chess championship, and he managed a ...

View answer
Does the chess community have a problem with manners and sportsmanship?
6 votes

I would say that the chess community does very well in terms of sportsmanship as compared to other competitive endeavors. I think it's a mistake to compare the behavior witnessed in online chess with ...

View answer
Kasparov quote reference
5 votes

The following passage is from Botvinnik's foreword to his 100 Selected Games. The text here doesn't single out one's own games as the specific object of analysis, but it leaves no doubt about ...

View answer
Evans Gambit b4 loss
5 votes

Compare the position after 3...Bc5 to that after 4.b4 Bxb4 5.c3 Bc5 6.d4. [fen ""] 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5 4.b4 Bxb4 5.c3 Bc5 6.d4` It's true that the Black bishop has simply returned to c5 and ...

View answer
What is the maximum DTM with K+J vs K?
5 votes

I don't know the exact answer for the 10x8 board (used e.g. in Capablanca Chess, where your Janus is called the Archbishop), but I have something that could get you well along toward an exact answer, ...

View answer
Can someone explain how this pawn endgame works?
Accepted answer
5 votes

I think considering an intermediate position first helps clarify what is going on. Consider the following position with Black to move. The white king is on d4, poised to head for infiltration on ...

View answer
Is it better to take the knight in this position?
Accepted answer
5 votes

In the initial diagram position, Black is already so much material ahead that either 1...Bxa1 or 1...Bxe5 keeps an overwhelming advantage. But 1...Bxa1 is the most straightforward, and in any case ...

View answer