Tuesday, July 28, 2009

Pirc Defense - Interference

PIRC DEFENSE


Interference

1. e4 d6
2. d4 Nf6
3. Nc3 c5
4. dxc5 Qa5
5. cxd6 Nxe4?
6. Qd5 Nc5








WHITE TO MOVE
Solution : A divisive bishop check, 7. Bb5+!, separates Black's queen and knight and wins a piece. If 7....Bd7, then 8. Qxc5 puts the knight back in the box.
Comment : Using the queen to pin the knight, followed by capturing the enemy king pawn, is common. One factor mitigating against it is time. Here, the Black knight makes three moves to free itself, and White uses the extra tempi to make a point.

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