Ruy Lopez Opening, Open Variation - Karpov Gambit

JUDIT POLGAR vs. SHAKHRIYAR MAMEDYAROV
Bled Olympiad, 2002

1. e4, e5
2. Nf3, Nc6
3. Bb5, a6
4. Ba4, Nf6
5. 0-0, Nxe4
6. d4, b5
7. Bb3, d5
8. dxe5, Be6
9. Nbd2, Nc5
10. c3, d4
11. Ng5 ....

The Karpov Gambit in Open Variatiation.

11. .... Bd5

If 11....Qxg5, then 12. Nf3 followed by 13. cxd4.  Connected pawns at the center of the board would be formidable.

12. Nxf7!! ....

An unexpected move.  The beginning of White's devastating attack.

12. .... Kxf7

If 12....Bxf7, then 13. Bxf7+ Kxf7, 14. Qf3+ followed by 15. Qxc6 ....

13. Qf3+, Ke6
14. Qg4+, Kf7
15. Qf5+ Ke7

If 15....Kg8, then 15. Qe6+ Bxe6, 16. Bxe6 mate.

16. e6!!, Bxe6
17. Re1, Qd6
18. Bxe6, Nxe6
19. Ne4, Qe5
20. Bg5, Kd7

The Bishop cannot be captured because of the double-pin.

If 20....Ke8, then 21. Nd6+ Qxd6, 22. Rxe6 double-check.

21. Nc5+, Bxc5
22. Qf7!! ....

Better than 22. Rxe5 Nxe5, 24. Qxe5 ....

22. .... Kd6
23. Be7+, Kd5

If 23.....Nxe7, then 24. Rxe5+ Kxe5, 25. Re1+  followed by 26. Qxe6 mate.

Black eventually resigned.  White's threatens mate after Rxe5.