Questions tagged [notation]

Notation refers to any formalized method of recording chess games so they can be replayed and shared later. Common notations include algebraic, figurine algebraic, descriptive, and the digital PGN format. Descriptive notation is considered obsolete, though familiarity with it allows one to read older books that use it.

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8
votes
5answers
490 views

Is this case considered an ambiguity or not?

From the answer to my question How are PGN ambiguities handled?: In the case of ambiguities (multiple pieces of the same type moving to the same square), the first appropriate disambiguating step ...
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3answers
4k views

How are PGN ambiguities handled?

How are ambiguities handled when writing the PGN when more than one piece of the same type can move into the same square? [FEN "1R4QQ/R1R4Q/8/6pP/5P1P/8/NK1k4/1N1N4 w - g6 0 1"] Note: It isWhite to ...
7
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5answers
640 views

For white's next move, should it be recorded as Nge2 or Ne2 as there is only one knight which can legally move to e2?

[FEN "rnbq1rk1/ppp2ppp/4pn2/3p4/1bPP4/2NBP3/PP3PPP/R1BQK1NR w KQ - 0 6"] If white move his king knight to e2 in the next move, should this move be recorded as Nge2 or Ne2 in the algebraic notation? ...
6
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4answers
7k views

Why do Super GMs still have to write down their moves at tournaments?

I thought that the boards can register the moves electronically. What is the point of writing them down?
9
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3answers
1k views

Move first, record later; or vice-versa?

Is it better to teach young players to record their move first and then make it? Or should they be taught to move first and write later? Is one considered better etiquette over the other?
7
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3answers
1k views

Is “Rdxd2” algebraic chess notation valid?

Is the algebraic notation Rdxd2 valid? If there is a problem with this notation, then how can it be corrected?
6
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1answer
998 views

Parsing PGN files - when can a move be shortened?

I'm writing a PGN file parser, and need to know in which situations you don't need to write the rank/file of a piece that makes the move. I can think of the following: only one piece can conduct the ...
5
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2answers
737 views

Moves to test a notation generator

I've made a small program that takes a list of moves in ICCF notation and translates them to the following: SAN FAN LAN MAN RAN CRAN Smith Descriptive Coordinate ICCF For example, a starting move of ...
4
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2answers
2k views

How many times can the same pawn move be made in a game?

How many times in a game can "the same pawn move" be made? By "the same pawn move", I mean, a move made by a pawn that would be notated the same way. For instance, after 1.e4 e5 2....
3
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1answer
2k views

Converting square notation to algebraic notation programmatically

I'm not sure if this is the right place to put this question, but it requires a fair amount of chess background so I decided to post it here. Square notation describes moves by simply noting the ...
1
vote
1answer
59 views

How many unoriginal pawn moves can be made in a single game?

Consider an "unoriginal pawn move" to be a pawn move whose notation matches a move already played in the game. For instance, after 1.e4 e5 2.d4 exd5 3.e5, there is one unoriginal pawn move, ...
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2answers
414 views

Numerical FEN writing

What is the most compressed way to "write" a chessboard as an integer considering en passant and castling as always possible no matter what.