Friday, May 31, 2013

Sicilian Defense Najdorf Variation Adams Attack

Varna Olympiad Final 1902

1. e4, c5
2. Nf3, d6
3. d4, cxd4
4. Nxd4, Nf6
5. Nc3, a6
6. h3 ....

The Adams Attack.

6. .... b5
7. Nd5, Bb7

If 7....Nxe4, 8. Qf3 and White controls the a8-f3 diagonal.

8. Nxf6, gxf6
9. c4, bxc4
10. Bxc4, Bxe4

White gives up the e4 pawn in exchange for control along the e-file.

11. 0-0, d5
12. Re1, e5
13. Qa4+, Nd7

Not 13....Qd7, because of 14. Bb5 axb5, 15. Qxa8+ which is favorable for White.

14. Rxe4 !! .....

A surprise move by Bobby Fischer!  The purpose of this move is to increase the control of the c4 Bishop.

14. .... dxe4
15. Nf5, Bc5
16. Ng7+, Ke7
17. Nf5+, Ke8
18. Be3, Bxe3
19. fxe3, Qb6
20. Rd1, Ra7
21. Rd6, Qd8
22. Qb3 ....

Now, we begin to understand why Fischer placed such importance on the c4 Bishop.

22. .... Qc7

If 22....Rf7, then 23. Ng7+ Ke7, 24. Qa3 .... Black's latest move intends to give room for the Black King at d8.

23. Bxf7, Kd8
24. Be6, Resigns

The Black Knight is pinned, and there is nothing else Black can do to relieve the situation.

A great lesson on material value.

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