Pawn Promotion in Chess: What It Is, Rules & Queening

“Pawns are the soul of chess,” once observed the 18th-century French chess maestro and composer, A. Philidor. Pawns not only shape the game’s structure and, therefore, its character, but also wield pivotal influence in the endgame due to their remarkable potential to transform into any other chess piece. While the ultimate aim in chess is to achieve checkmate, pawn promotion in chess stands as the focal point of nearly all endgame strategies, as it represents the primary pathway leading to checkmate. Consequently, it is of paramount importance to grasp what a pawn promotion is in chess and its mechanics. In this article, we will delve into the mechanics of pawn promotion, elucidating how pawn promotion works.

TL;DR

• Pawn promotion in chess is when a pawn reaches the far end of the board, the eighth rank for White, the first for Black, and is immediately turned into a queen, rook, bishop, or knight.
• Promotion is mandatory: the pawn cannot stay a pawn, and it cannot stand still.
• Most players choose a queen, a move known as “queening,” but picking a weaker piece (called underpromotion) is sometimes the only way to win or to avoid stalemate.

What is pawn promotion in chess and its placement?

Pawn promotion refers to the magical transformation of a pawn in chess, which occurs when the pawn successfully advances to the farthest rank of the board. For white the promotion rank is the eighth rank, while for black, it would be the first rank. Promoting means that the player can choose to substitute the pawn with another piece, such as a queen, rook, bishop, or knight.

This also makes it possible to have more of the same kind of piece compared to the starting position of the game. For example, due to pawn promotion, having two queens or three rooks can be possible. A spectacular example of a case with five queens on the board occurred in one of the game analysis of Alexander Alekhine:

An example of a pawn promotion

The queen is the most powerful piece in chess and therefore holds the highest potential to deliver a checkmate, and pawns are commonly promoted to queen. Chess slang for such promotion would be “queening the pawn”. The diagram above provides an example where white can promote the pawn to a queen on the next move, which would also checkmate the opponent: 1.e8=Q#

Pawn Promotion Rules

According to the official pawn promotion rules, once a pawn advances to the farthest rank it is obligatory to substitute it with a queen, a rook, a bishop, or a knight. The pawn itself is removed from the board, and the new piece takes its place on the promotion square as part of the same move.

How to promote a pawn, step by step

1. Advance your pawn to the last rank: the eighth rank for White, the first rank for Black.
2. Remove the pawn from the board.
3. Replace it with the piece you want: a queen, rook, bishop, or knight of your own colour.
4. Place that piece on the promotion square. The move is now complete, and it is your opponent’s turn.

A few rules are worth keeping in mind:

• Promotion is mandatory. A pawn that reaches the final rank cannot remain a pawn and cannot decline to promote.
• You may only promote to your own colour, and never to a king or to another pawn.
• There is no limit on how many pieces of one type you can have. Promotion can leave you with two queens, three rooks, and so on.
• The new piece does not have to be one you have already lost, you can make a second queen while your first is still on the board.

Queening: Promoting to a Queen

Choosing a queen is so common that it has its own name – “queening” the pawn. The queen combines the movement of a rook and a bishop, so in almost every position it is the strongest piece you can put on the board, and the quickest way to turn an extra pawn into a win. A freshly queened pawn is often enough to finish the game on the spot. In the position below White is one step away, and queening ends it at once: 1.g8=Q+ Kh6 2.Qg6#

Notation for Pawn Promotion: How to Write it Down on a Blank

The most commonly used notation for pawn promotion consists of the promotion square, an equal sign, followed by the first letter of the promoted piece. E.g. e8=Q or bxc1=R in the case of capture. However, in the official FIDE way, the “=” is omitted, e.g., e8Q or bxc1R.

What is Underpromotion?

Promoting a pawn to a queen is the standard because a queen is generally the most valuable piece. However, if a player chooses to promote the pawn to a different piece than a queen, basically to a piece whose value is under the queen’s value, this would be an instance of “underpromotion”.

Examples of Underpromotions and reasons to do it

There are essentially two main reasons why one might prefer to underpromote. The most common one is to avoid stalemate. A queen is nothing else than a piece that compounds the movements of a rook and a bishop. But because she controls too many squares, this might sometimes lead to a stalemate, and we would then prefer a restricted version of the queen’s mobility, basically a piece like a rook or a bishop. The second, less frequent reason for an underpromotion would be because a specific movement of a knight is needed in the particular position, either to gain tempo or win a piece due to a knight fork.

Example №1: Underpromoting to a Knight

In the diagram above, with white to move, capturing the rook on c8 right away would lead to a theoretical draw of queen + rook vs. queen + bishop + knight. However, white has a brilliant tactic to win the material: 1.Qxa7!! Kxa7 and now 2.bxc8=N+ forks and wins the queen.

What if black refuses to capture the queen and instead plays 1…Kc7? Then white has an extremely special way of checkmating with an underpromotion to a knight with a discovery check: 2.b8=N!#, because only a knight can guard the c6 square:

Example №2: Underpromoting to a Bishop

Situations where you’d need to favor underpromoting to a bishop can be seen as edge cases in chess. In the diagram above, however, white is threatening Ra8#. The only way for black to cover the critical square, a8, is to promote to a piece that can move diagonally. Promoting to a queen, 1…h1=Q might seem like a natural reaction, expecting 2.Rxh1 Rxh1 and converting the endgame with ease. But after queening the pawn, there would be a plot twist after the unexpected 2.Ra8! Qxa8 stalemate. The only prudent option for black is thus to be promoted to a bishop, 1…h1=B!

The a8 square is under control, and 2.Ra8 Bxa8 is not a stalemate anymore. The resulting position with rook + bishop + pawns vs. rook is a theoretically winning position for black.

Example №3: Underpromoting to a Rook

In the diagram above, queening the pawn results in a stalemate. However, a bishop or a knight would not be sufficient to deliver a checkmate. Therefore, white promotes to a rook and checkmate in the next move: 1.f8=R Kh6 2.Rh8#.

Written by

Anton Shuravin

Founder of ChessDoctrine.com and author of most of its content. A FIDE-rated player with more than 14 years of experience, rated 1900+ on Lichess in bullet and blitz. Has recorded 88 lessons for the ChessDoctrine YouTube channel. Currently completing a Bachelor's degree in Linguistics. Plays the Ruy Lopez, English Opening, and Réti as White, and the French Defense and King's Indian as Black.

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Reviewed by

Deniz Tasdelen, FIDE-rated player

FIDE-rated player (ID 6305946) with 20+ years of competitive experience. Top-20 finish at the European Youth Championship, three-time 3rd at the Turkish Youth Championship, and competed at the World Youth and World Junior Championships. Defeated both Hikaru Nakamura and Fabiano Caruana at the FIDE Fischer Random World Championship — both games live-streamed by chess.com.

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Frequently Asked Questions about Pawn Promotion

Can a pawn be promoted to any piece?

The pawn can be promoted to a queen, a rook, a bishop, or a knight. It would be illegal to try to promote it to a king.

Can you refuse to promote a pawn?

Once the pawn reaches the final rank, it is mandatory to promote the pawn into one of the following pieces: a queen, a rook, a bishop, or a knight.

Is it legal to promote a pawn to a pawn?

No, trying to promote a pawn to a pawn would be against the official rules of chess pawn promotion. Pawns cannot stay as pawns on the final rank of the board.

How many queens can you have in chess?

In theory a side can have up to nine queens at once: the original queen plus a promotion for each of the eight pawns. You will practically never see this in a real game, but no rule limits how many queensб or rooks, bishops, or knightsб you may have on the board at the same time.

Can you get your queen back in chess after it is captured?

You cannot bring a captured queen straight back, but you can make a new one. By promoting a pawn on the final rank you may choose a queen, even if your original queen was lost earlier, and even if it is still on the board. Promotion is the only way to replace a piece you have lost.

What happens when a pawn reaches the other side of the board?

It promotes. A pawn that reaches the farthest rank cannot stay a pawn and cannot stand still, on that same move it is replaced by a queen, rook, bishop, or knight of its own colour. Most of the time players choose a queen.

When was pawn promotion added to chess?

Promotion is one of the oldest ideas in the game, pawns reaching the last rank have changed into another piece for centuries. What shifted over time was which pieces were allowed and whether you could hold more than one queen. The modern rule, letting a pawn become any major or minor piece and allowing a second queen, became standard by the end of the 19th century.