Monday, December 5, 2011

A Decisive Pin

In a game of speed chess at, I used a pin to achieve a quick victory. My opponent was Barbances of Spain who played black. Here are the moves of the game along with my commentary:

1. e4 e5
2. Nf3 Nc6
3. Bb5 d6

Black usually plays a6.

4. Bxc6+ bxc6
5. h3 Nf6
6. 0-0 Nxe4

I sacrifice a pawn for quick development.

7. d4 exd

With black's king in the centre, I want an open game.

8. Qxd4 Nf6

A better move than this retreat with the knight is d5. It keeps the knight in the centre and opens a diagonal for the black bishop on f8.

9. Bg5 Be7

Now black is ready to castle.

10. Re1 Qd7

A better move for black is 0-0.

11. Bxf6 gxf6
12. Qxf6 Rg8

My twelfth move takes black by surprise. My queen cannot be captured because the bishop is pinned. The pin is decisive. Black must move his rook to avoid capture by my queen.

13. Ng5 Rg6

Black attacks my queen but this move is a mistake. A better move is Rf8 but it is clear that black is in trouble.

14. Qh8+

Black resigns. The only move for black is Rg8. I then play Qxg8 and it is mate. One of the key moves in this game is Qxf6. It takes advantage of the pin on the bishop and attacks the king rook. Black must move the rook on his next move but then loses his right to castle. Black's inability to castle allows me to end the game quickly.

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