Monday, December 26, 2011

Removing The Guard

One chess tactic is removing the guard. This is also known as undermining. It removes the defence of a piece so that it becomes possible to win material. In a very short game of speed chess at chessgames.com, I used this tactic to great effect. My opponent was Syanas of the USA who played black. Here are the moves of this game along with my commentary:

1. e4 c5
2. d4 cxd
3. c3 Nc6

I expect dxc.

4. cxd d5
5. exd Qxd5
6. Nf3 Bg4
7. Be2 Bxf3

Black thinks that he can win a pawn. The capture of my knight removes a defender of my d-pawn.

8. Bxf3 Qxd4

Black makes a mistake. Qd7 and Qe6+ are better moves.

9. Bxc6+

I remove the knight which guards the queen. Black must respond to my check. I then capture the unprotected queen on my next move. Realizing the difficulty of playing on in such a position, black resigns. The key to victory in this game is my ability to capture my opponent's queen with a check which removes his queen's guard.

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