Modern Defense, Three Pawns Attack

ARTHUR BISGUIER vs. BENT LARSEN
Zagreb, 1965

1. d4, g6
2. e4, Bg7
3. f4 ....

The Three Pawns Attack.

3. .... d6
4. Nf3, Nf6
5. Bd3, 0-0
6. 0-0, Nbd7
7. e5!, Ne8
8. Qe1, c5
9. f5, dxe5
10. fxg6, hxg6
11. Qh4, exd4
12. Bh6, Nef6
13. Ng5, Ne5

Black attacks the d3 Bishop, but actually is of no consequence.

14. Rxf6!!, Bh8

The Rook cannot be captured.  If 14....exf6, then 15. Bxg7 and White mates at h8 or h7.

If 14....Bxf6, then 15. Bg7 and same mate follows.

15. Rf1, Re8
16. Bf8, Bf6
17. Rxf6, exf6
18. Qh6!! ....

A terrific brilliancy.  White poses a mating threat at g7.

18. .... Rxf8
19. Qh7!!

A picture-perfect mate.