Saturday, March 26, 2011

King's Indian Defense: Saemisch Variation Yates Defense

IBM 1969
King's Indian Defense: Saemisch Variation Yates Defense

1. d4, Nf6
2. c4, g6
3. Nc3, Bg7
4. e4, d6
5. f3 ....

The Saemisch Variation.  Instead of the usual f4, White chooses to solidify support of the e4-pawn.

5. .... 0-0
6. Be3, Nc6

The Yates Defense, which invites White to push forward the d-pawn thus opening the long diagonal for Black's Bishop.

7. Nge2, Rb8
8. Qd2, Re8
9. Rd1, a6
10. Nc1, e5
11. dxe5, Nxe5
12. Be2, b5
13. cxb5, axb5
14. Bxb5, Nxe4!!

A brilliant surprise move, with the objective of weakening White's central position.

15. fxe4, Rxb5!!

One cannot help but wonder at Black's foresight....

16. Nxb5, Nc4!
17. Qf2, Rxe4!!

Effectively pinning the Bishop. White has no choice but to give up the piece. If 18. Rd3, then 18....Qe1 putting additional pressure on e3 while attacking the Knight at b5.

18. 0-0, Nxe3
19. Qxf7+, Kh8
20. Qxc7, Qxc7
21. Nxc7, Nxd1
22. Rxd1, Bd4+
23. Kf1? ....

White might have fared better had he placed the King at h1. The text move limited the movement of his own Rook.

23. .... Bg4
24. Rd2, Be3
25. Rc2, Rd4

White resigns, as he cannot prevent mate at d1. If 26. g3, then Black still wins with 26....Rd1+, 27. Kg2 Rg1 mate.

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