Pawn promotion race
A pawn promotion race is a position where both sides push passed pawns toward promotion, and the result depends on who queens first and what the new queen can do.
Also called: race to queen
In a promotion race each player ignores the opponent's pawn and advances their own, trying to promote first. Counting is everything: for each pawn, count the moves needed to reach the last rank, then check who is on the move and whether either king can interfere.
Being first is usually not enough on its own. The new queen should do something, such as giving check, attacking the opposing queening square or winning the other pawn. A queen that arrives with check forces the opponent to answer it, which costs them the time they needed to promote. Without that, the second pawn also queens and the game continues with two queens or an unclear position.
The rule of the square helps in these races, since it shows when a king can catch a pawn without needing any help. When both sides promote, look carefully at what happens next, including skewers and forks that win the new queen.
A common mistake is to start a race without counting, or to assume that being a move ahead will win. Also watch for the king: a king that stands near the opposing pawn's path may stop it. Make sure you know how many moves each side has, and look for a check that gains a tempo.
Compare it with Outside passed pawn. An outside passed pawn is a passer on a distant wing that works as a decoy: the defending king has to go and stop it, and the moves this takes let the other king win pawns elsewhere.
Also worth reading is Reti maneuver. The Reti maneuver is a king walk that heads for two goals at once, usually stopping a distant passed pawn while also supporting the king's own pawn, so the opponent cannot defend against both threats.
A neighboring idea is Rook versus pawn. Rook versus pawn is an ending in which a rook faces a single pawn, usually a win for the rook, although an advanced pawn supported by its king can save the game.
If "Pawn promotion race" has cost you half a point, a first lesson is a good place to find the pattern behind it: George Li goes through your games and builds a plan.
Related terms
The rule of the square is a shortcut for a lone pawn racing an enemy king: draw a square from the pawn's square up to its promotion square, and the king catches the pawn only if it stands inside or can step in.
A passed pawn has a clear road to promotion as far as enemy pawns are concerned: none stands ahead of it on its own file or the two neighboring files, so the opponent must spend a piece or the king to stop it.
Queen versus pawn is an endgame in which a queen faces an enemy pawn that is about to promote, and the queen usually wins except against a bishop or rook pawn defended by a nearby king.
A pawn breakthrough is a sacrifice of one or more pawns that tears open the opposing pawn chain so that a remaining pawn can run through and promote.
Connected passed pawns are two passed pawns on adjacent files that support each other and can advance together, so the enemy cannot stop them one at a time and they often decide an endgame.
Guides that go further
What to decide first, the questions to ask, what a first lesson should show and the red flags to avoid.
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