The Vancura Position: Drawing Against a Passed a-Pawn
Black to play and draw, after Vancura
PlayYou are a pawn down against a passed a-pawn on the sixth rank. The natural defence, sitting behind the pawn on the a-file, loses. Vancura found the saving idea: attack the pawn from the side.
Updated
New to this ending? Learn the method first: Rook Endgames
No signup needed. The opponent never gives up, and every mistake gets explained.
The Vancura Position
Black to play and draw · Hold the draw against perfect play
Waking the engine…
The theory
With the enemy pawn on a6 and its rook in front of it on a8, the defence that looks natural is the one that loses.
Why behind the pawn fails. The a6-pawn shields White's king on a7 from checks along the a-file. Your rook sitting on a1 has nothing to say, and White untangles.
Vancura's idea. Bring the rook to f6. From the side it attacks the pawn, forces the white rook to stay on a8 guarding it, and keeps enough distance to deliver endless checks along the rank, where the a-pawn offers the king no shelter. Your king holds g7 and h7 so the white rook cannot break out.
In this drill the Vancura setup is the only defence. Passive play on the a-file loses.
Keep going
One Tempo Too Late for Vancura
Black to play and draw
The Standard Draw: Rook in Front of the Pawn on the Seventh
White to play and draw
Rook Behind the Passed Pawn
White to play and win
All 96 rook endgames positionsFollow the full curriculum (free)