# 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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### Unusual chess notation

I recently bought a chess book that had unusual chess notation, such as B x KP; P X B, Q - R5 Does anyone know what type of notation this is and how to read it?
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### Notation for ambiguous moves with three pieces or more

Given three knights that can move to d2, one on b1, one on b3 and one on f3, how would you notate knight on b3 moves to d2? N3d2 is ambiguous, so would it be correct to write Nb3d2? Presume that a ...
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### 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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### 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....
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### Two knights can move to e7, but the move is only specified as Ne7 [duplicate]

In the diagram below, Black makes the move denoted as “Ne7” which moves the black knight on g8 move to e7. [StartFlipped "0"] [FEN "r1bqkbnr/pp3ppp/2n1p3/1BPpP3/8/4B3/PPP2PPP/RN1QK1NR b ...
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### How do I find people to play chess with me through correspondence?

I really would like to play chess, nevertheless, I do not have access to physical chess players. My question is, how do I find people to play chess with me by email? I have not been successful in ...
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### What is the algebraic notation for the bishop?

Let's say that I have a pawn at b2 and a bishop at d2 and I want to capture the pawn on c3 with my bishop. The expression I used is bc3. However, it uses my pawn at b2 to capture the pawn at c3. I ...
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### Help! I cannot understand this game’s notations!

I was surfing across Tim Krabbe’s website, as I usually do on occasion, and I found his article DE KOEWEITSE ONSTERFELIJKE," a very interesting tidbit. A game of 34 moves is mentioned in the last ...
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### What does this algebraic notation expression mean?

What does this algebraic notation expression mean? exd5 There is no such notation as x. There is only a, b, c, d, e, f, g, and h. I don't know how this algebraic notation works.
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### 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?
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### On Lichess, how do you promote to a rook with algebraic notation?

I am a blind chess player on Lichess. I came across a position in which I wanted to promote to a rook. I learned that you can promote by writing like this: a8=n // promote the pawn at a8 to a knight. ...
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### Long algebraic notation-piece promotion

I am building a chess engine with the use of Artificial Intelligence, and I am almost done as long as the AI and the internal game mechanics are concerned. Currently I am training the AI and I want to ...
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### How do you write “castles” in algebraic?

Sorry if this question is a duplicate one, but I can't find the algebraic notation for castling. What is it?
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### Ambiguity in notation resolved by +

In the board position both knights can move to e4. To distinguish which knight moved one would normally write Nce4 or Nfe4. However in this special situation only Nce4 is check. Would it be ...
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### 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 ...
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### Chess problem by A. G. Kopnin - Russian notation explanation needed

[Title "Alexey Grigorievich Kopnin - mate in two - 1948"] [FEN "nR1rB3/2PPPN2/bbk1N3/1p2p3/1p2P1nq/1K1Pp3/7B/8 w - - 0 1"] (source) In this problem, it’s white to move and mate in ...
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### In verbally describing a move, can you simply say: “B4f to Q5e?”

I don’t have a picture to upload.
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### Is algebraic notation unique? [duplicate]

Can the same move be written two different ways that are both correct? In the following game when the black knight on g6 takes the pawn on e5, would it be "Ngxe5" or just "Nxe5" (...
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### When are both the rank and file required for disambiguation of a move in PGN/SAN?

The PGN "Standard" (if you want to call it that, because it is very flawed and seems out of date), states: First, if the moving pieces can be distinguished by their originating files, the ...
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### Why are the symbols 0-0 and 0-0-0 used for castling in algebraic notation?

I'm curious about why the symbols O-O and O-O-O are used for castling in algebraic notation. Why not use the consistent and logical Kg1/Kc1 for White and Kg8/Kc8 for Black? Why adopt the less than ...
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### How can one easily learn chess board coordinates?

I am relatively new to chess, and I wonder, what is a fast (and hopefully easy) way to learn chess board coordinates? This is so when I am watching a video where the commentator says, for example, &...
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### Does practising Lichess coordinates help with reading chess books chess games faster?

Some strong players are able to read entire chess games from a book, as they are very familiar with the notation of the chessboard and theory. For amateur online players, this can be a difficult task ...
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### What if you messed up your notation a lot?

While playing in an OTB game where both players take notation, it's not uncommon for people to make a mistake here and there. Is there any rule regarding having a lot of mistakes? Furthermore, what if ...
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### Tools for automated notation: webcam movie to PGN

Sometimes during blitz games over the board, or when in zeitnot, it gets very difficult to annotate them. I've seen several software / hardware to help in writing the notation, even one that's FIDE ...
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### Are there studies showing that descriptive notation is easier to use for blindfold than algebraic notation?

What studies have compared effectiveness for thinking by chess players using descriptive vs algebraic notation?
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### Blindfold chess games

Are blindfold chess games playable for chess world champions and grandmasters? Does the ability to do so show mastery for a player? Blindfold chess is, without looking at board, the player will just ...
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### Building up a dataset for image recognition of hand-written scoresheets

I am trying to build up a training dataset to train a convolutional neural network (well, the pipeline will probably be a little more complex, but probably a CNN will be at its core) to convert ...
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### Is there any other notation system other than algebraic notation?

Other than the current coordinate notations used in chess, are there any other notations that anybody knows about? I am looking for anything that does not employ the coordinate system like naming all ...
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### Question on chess commentary in written form

I'm new to English chess notation and have never read or heard chess commentary in a broadcast or publication form. I'm trying to decipher the following commentary ICGA's footnote to caption: ACM CCC,...
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### How to correct reversed game notation?

My son and I are rank chess amateurs, and we wanted to play our first "real" game where we keep track of moves to analyze later. We started the game but then realized that the board was reversed (i.e....
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### Why are chess.com opening names and notations seemingly mismatched?

I often see something like the above when playing chess online. When I played Ruy Lopez and my opponent played Classical Variation, but I transposed us to Four Knights Game Spanish Variation, I had ...
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### What does the †† notation mean?

I am reading a book on chess openings called 51 Chess Openings for Beginners by Bruce Albertson and the author uses notation like so: ...†† Kxf7 What does the †† mean? I know a single † ...
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### Does FIDE or USCF allow ICCF type numerical notation instead of the so called algebraic?

ICCF uses pure numerical notation counting each square by row and column eg 11 to 88. So Pd4 often written just d4 - would be 2224 so there can never be any confusion should two pieces be able to ...
363 views

### What is the origin of descriptive notation?

Algebraic Notation is the modern standard for recording chess games. It is easily human-readable, yet it can be parsed by computers without difficulty. Descriptive notation predates algebraic ...
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### Did any other language than English ever use Descriptive notation? Which languages have always used Algebraic?

Descriptive notation seems to be limited to certain languages like English, and I found a Wikipedia article that mentions Spanish and French. I have never seen a Russian book that uses Descriptive, ...
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### How to disambiguate checking moves in descriptive notation?

Question: In general, is noting a check/checkmate sufficient to disambiguate moves in descriptive notation? If for example two of the same type of piece could move to the same square, but one giving ...
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### Why is offering draw not recorded but giving a check recorded?

In recording a game, one typically does not record offering draws (if yes, how and is it required?) while one does indicate that a particular move gives a check by using + (or ++ for double checks). ...
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### What does the annotation symbol “TR” mean?

I've seen commentators use this symbol at the end of their analysis but I don't know what it means. Does anyone know?
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### What do D and +— mean in chess annotation?

When using Stockfish to annotate some of my games, I will often get the symbols D and +--, which I can't find definitions for. I think that +- means “decisive advantage” for White, and that +-- might ...
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### What happened in this game between Hong Li and Sandor Farago in the FSIM November 2018?

I downloaded a bunch of games from Kingbase which included the below game. [Event "FSIM November 2018"] [Site "Budapest HUN"] [Date "2018.11.06"] [Round "4.4"] [White "Farago, Sandor"] [Black "Li, ...
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### How many moves can be expressed with algebraic chess notation?

I am wanting to write a chess engine (see here: Creating chess engine, machine learning vs. traditional engine?). The first step I am doing is taking a position in as an FEN and converting this ...
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### Alternatives to the FEN notation

Apart from the FEN notation, are there other even more compact known chess-position notations? One that would of course also entail castling rights, and en passant possibilities. One really missing ...
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### Converting from Algebraic notation to Coordinate notation

I saw this thread: Converting square notation to algebraic notation programmatically Unfortunately, it's the reverse of what I need to do. Given a FEN and an Algebraic move, I need to generate the ...
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### Why is the algebraic notation not just two numbers?

Instead of 'a1', why not '11'? First file, first rank. Instead of 'g6', why not '76'? Seventh file, sixth rank. And so on. Why not just use two numbers to represent the square, as opposed to 1 ...
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### 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?
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### Is it possible to configure SCID to use English descriptive notation? [closed]

I'm going through a classic book (Reti's Modern Ideas in Chess), which uses English descriptive notation rather than algebraic notation. I see there is an online resource which has converted the book ...
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### 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? ...
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### How to record these moves?

Suppose a complete hypothetical positions that white has 6 queens and they are at a1, a4, a7, g1, g4, g7, respectively. How to record the following move in the standard algebraic notation? Moving the ...