# Questions tagged [en-passant]

En passant is a rule allowing a pawn to make a special-case capture.

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### Seeking a particular problem

I recall seeing a problem in Games magazine, probably in the early 1990s, that required the solver to deduce that a capture en passant was possible (not just because that's the only way to get a ...
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### Games with consecutive en passants

Games with consecutive en passants, that is one side makes two en passats captures in a row, are few and far between to my knowlegde. I only know of one example thanks to Tim Krabbe. Kudrin vs R ...
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### Games with three en passants

Games with two en passants in them are are uncommon, and games with three are exceeding rare, and four has never been achieved as far as I know. I only know of four games with three en passant ...
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### Rules: How does right to castle and en passant get considered for the purpose of calculating a threefold repetition?

I'm writing a chess app, and have some questions regarding the intricacies of the threefold repetition rules. As of 2018, the FIDE handbook has this to say about what constitutes identical positions ...
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### When capturing en passant, is a position possible such that there is a pin over the square of the taken pawn, rather than the taking pawn?

I am trying to write a simple chess program, and as part of this I am writing methods to find all valid moves. I can detect pins and have no trouble leaving out the moves that would result in the ...
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### What’s the difference between Partial Retrograde Analysis and Retro Strategy?

What’s the difference between Partial Retrograde Analysis (PRA) and Retro Strategy (RS) which are different ways of interpreting retrograde analysis chess problems?
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### In the case of en passant, should I move my pawn first or remove my opponent's one?

I know that, according to chess rules, every move should be made with a single hand. However, this does not clarify if, when making an en passant capture, I should move my pawn first or remove the ...
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### Two questions about how the en passant capture works

I am still confused about the en passant rule. There are two possibilities regarding the capture itself that are not clear to me. [FEN ""] 1. d4 d6 2. d5 c5 3. dxc6 b5 (3. c4 e5 4. dxc6) Scenario 1: ...
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### What should be defined as an en passant checkmate?

Is there a general consensus among composers, players, and/or organizations for what exactly defines an en passant checkmate, or any history to it? As far as I know, there are two possibilities for ...
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### Can a player capture en passant two times in a row?

Suppose that there are only two pawns that White can use to put the Black king in check that are on the board. But in both cases, the pawns need to move past Black pawns, risking en passant capture to ...
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### What is quickest way for an en passant checkmate after all other such captures?

Here’s a dumb challenge: What is the fastest way for an en passant checkmate after all other seven en passant captures have been done?
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### Fastest possible checkmate by en passant

En passant is somewhat of a rare move in chess. Checkmating by en passant, however, is an even rarer occurrence. But suppose both sides had the same goal to help cause a checkmate to their opponent ...
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### Checkmate via en passant capture [duplicate]

I tried to get the smallest sequence of moves that would result in a checkmate*( or rather Helpmate)* with the last move being a en passant . This is the shortest I could get : [Title "Shortest En ...
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### What serious use of en passant has been made recently?

I'm a (very) amateur player and have seen the use of en-passant only a couple of times in club games. Chess books I've read (Soltis, Weeramantry, Pandolfini,etc.) feature hardly any games having en-...
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### What is the highest number of en passants possible?

Out of curiosity, how many en passants can theoretically be done by both sides? Additionally, what is the quickest sequence to reach that amount?
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### When is it possible to carry out the “En Passant” manoeuvre?

This manoeuvre is a form of pawn capturing technique. When a player’s pawn jumps two spaces on a first move, that piece can then be taken from the side as the opposing pawn moves into the moving pawn’...
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### The chess.com engine didn’t show a checkmate

I've attached a screen shot of my game. It is Black’s turn to move. Their king was under check, but not checkmate, as the website didn't show mate. After awhile, Black had to resign due to not being ...
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### How can I set up en passant in the Popeye engine?

I want to solve a problem with Thomas Maeder's excellent Popeye engine, and to specify that a possible en passant in the diagram is ok. How can I do this please? The documentation seems opaque. Thanks ...
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### Why is there an en passant move? [duplicate]

Wikipedia says: It prevents a pawn from using the two-square advance to pass an adjacent enemy pawn without the risk of being captured. … which I understand. But why would this be a rule? ...
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### What would chess openings be like without castling and/or the double pawn move?

Chess has a fairly elegant set of rules, but it has two rather ugly "rules hacks" in it: Pawns can move two squares forward, but only on their first move, and have the rather ugly rule of en passant ...
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### En Passant Checkmate

I made a check with a pawn that was subject to an en passant movement. The check led to a checkmate, but the rules at chess.com didn't count it as a checkmate but let the opponent make his move. He ...
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### En Passant vs In Passing

In Lasker's Manual of Chess (written 1932 or earlier) I have just read the phrase 'in passing' referring to the en passant capture. I wonder if this expression is old-fashioned or still in use. ...
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### In the game Kudrin-Douven, why did black allow white to capture en passant two times in a row?

I read about this game on Tim Krabbe’s website and found it on chessgames.com. I am severely confused by black’s 30th and 31st moves (see the diagram below.) [Title "Sergey Gennadyevich Kudrin-Rudy ...
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### Why can't a piece (that isn't a pawn) capture en passant?

Why can't a piece (that isn't a pawn) capture en passant? When a pawn makes a two-square move, the en passant rule says that on the next move, any pawn that could have captured it on the single-...
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### Draws, en passant, and the FIDE's 2014 rulebook revision

Effective July 2014, the FIDE has revised its Laws of Chess. Some questions occur regarding the revision, including one re draws and en passant. [Title "Black to move"] [FEN "1rb1kbnr/ppppqppp/6n1/...
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### Can you wait and then perform an en passant capture? [duplicate]

I am new to chess, so sorry for this obvious question. I was surfing through the web and learned the en passant rule. In this question they say "You cannot wait a few moves and then use the en passant ...
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### Can a pawn that performed an en passant capture promote at all?

So let's say I capture en passant with a pawn. Using the same pawn, I get to the 8th rank. Can I promote that pawn into anything else? I've heard of this restriction in various ways. Some say it can ...
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### Why is en passant only possible on the first opportunity?

Quoting FIDE rulebook: This capture is only legal on the move following this advance and is called an ‘en passant’ capture. Quoting Wikipedia: The en passant capture must be made at the very ...
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### Why is en passant hardly heard of?

So many people I know (or have played chess with) have never heard of En passant and will call me out for cheating. En passant is a move in chess. It is a special pawn capture that can only occur ...
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### When en passant is the only legal move

Consider the following position: 8/7p/5K1k/8/7p/7P/5PP1/8 w - - 0 1 1. g4 hxg3 White plays g2-g4. The only legal move is hxg3. I heard someone say that since the en passant capture is optional, ...
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### En passant for beginners

When I started playing chess, I learned many of the rules of chess on my own. I was playing chess online, and then I realised that pawns can capture in such a fashion. At first, it was weird to me. ...
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### FIDE threefold repetition and possible moves [closed]

FIDE rules section 9.2 says: Positions are considered the same if and only if the same player has the move, pieces of the same kind and colour occupy the same squares and the possible moves of ...
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### Rules: en passant and draw by triple repetition

A question of rulebook pedantry: One can claim a draw when the same position occurs the third time, the same player having the move. Two positions are not the same if the earlier allows a capture en ...
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### Why can I not make an en passant capture? [duplicate]

Here is part of a Lichess game where I tried make to make an en passant capture-but it's impossible. The question is this-Why? I am new to chess. I searched for the chess of rules on Wikipedia, but ...
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### Is the notion of an en passant redundant? [duplicate]

The en passant move can be utilised when a pawn is offered the option of being able to capture an adjacent file’s pawn, which has advanced two ranks. However, surely the game of chess would be fine ...
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### How do you use 'en passant'?

I have been playing chess for years but I was just introduced en passant only recently. I keep on forgetting when to play this weird move. I keep on asking myself "is it on the 5th row or the 4th row" ...
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### Can you capture a pawn en passant with a king? [duplicate]

Friend right now is trying to en passant me with a king. I'm saying that its not legal. He won't believe me. He is saying that any opposing piece can capture the en passant pawn.
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### Is capturing on empty square with a pawn legal? [duplicate]

How is it possible to move c4 to b3?
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### When and why was en passant invented?

Other than castling, the only "strange" move that chess pieces can ever make is en passant. It seems a little odd to me that someone thought that such a "different" move was so important to include ...