Sunday, November 21, 2010

Flank Attack

In chess, a struggle may happen along the a-file or h-file - a flank attack.  This situation may be aggravated by a trap or a sacrifice paving the way for an attack in an open file.  This phenomenon is best illustrated in the following post, a brilliant game in which the great grandmaster Adolf Anderssen demolished Mayet in just 12 moves.

Berlin, 1851

1. e4, e5
2. Nf3, Nc6
3. Bb5, Bc5
4. c3, Nf6
5. Bxc6 ....

Modern masters would perhaps prefer 5. d4 fortifying the center and getting rid of the pesky Bishop.

5. .... dxc6

Modern chess theory would suggest 5....bxc6 to be followed by 6....d5, but Anderssen has something up his sleeve.

6. 0-0 ....

Ill-timed.  The best move is still 6. d4.

6. .... Bg4!
7. h3 ....

Intending to drive off the annoying Bishop...

7. .... h5!

8. hxg4? ....

A bad move. White obligingly opened the h-file, paving the way for Black's attack.

8. .... hxg4
9. Nxe5, g3!!
10. d4, Nxe4!

Black threatens 11. Rh1+  Kxh1, 12. Qh4+  Kg1, 13. Qh2 mate.

11. Qg4?, Bxd4

Anderssen may win in another way by 11....gxf2+, 12. Rxf2  Rh1+, 13. Kxh1  Nxf2+ winning the Queen.

12. Qxe4, Bxf2+

White resigns, as there is no stopping 13. Rxf2 (forced)  Qd1+, 14. Rf1  Rh1+, 15. Kxh1  Qxf1 mate.

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