Lucena Position - Rook Pawn

Rook Pawn

Silman, diagram 223
a b c d e f g h
8 8
7 7
6 6
5 5
4 4
3 3
2 2
1 1
a b c d e f g h
White wins

The Lucena method also works with a rook pawn if the white rook is already on the fourth rank, the black rook is not on the file adjacent to the pawn, and White is to move. Otherwise, the defending king must be cut off four files from the pawn, as in the diagram. This is not a true Lucena position since the king is cut off by more than one file. White wins:

1. Rc1 Ke7
2. Rc8 Kd6!
3. Rb8 Ra2
4. Kb7 Rb2+
5. Kc8 Rc2+
6. Kd8 Rh2!
7. Rb6+ Kc5
8. Rc6+! Kxc6
9. a8=Q+

and White has a won queen versus rook endgame – one that is easier to win than one where the rook is close to its king (Silman 2007:223–26).

Read more about this topic:  Lucena Position

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