[Event "Essen"] [Site "?"] [Round "0"] [White "Unzicker"] [Black "Czaya"] [Result "1-0"] [ECO "C16"] [Opening "French: Winawer, 4.e5 b6"] 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 b6 5. Qg4 Bf8 6. Nh3 h5 7. Qf3 c6 8. Ng5 Qd7 9. Bd2 Ba6 10. O-O-O g6 {Black's immediate plan is to trade his bad Bishop for White's good one, and then occupy f5 with a Knight} 11. h3 $1 Bxf1 (11... Nh6 12. g4 {stopping the f5 plan}) 12. Rhxf1 Bh6 13. g4 Qe7 14. h4 $1 {This looks o be anti-positional, for Black will now be able to carry out his plan} 14... hxg4 15. Qg3 $3 (15. Qxg4 Bg7 {Black's' plan}) 15... Bg7 16. f3 { This is the whole idea. At the cost of a pawn, White now gets open the f-file} 16... gxf3 17. Rxf3 Nh6 { Black's still doesn't believe it; he hopes to block the f-file with the Knight} 18. Nxf7 $1 {The real point of White's 14th move} 18... Nxf7 19. Qxg6 O-O ( 19... Bf8 20. Rdf1) (19... Kf8 20. Rdf1) 20. Rg1 Nxe5 (20... Nh8 21. Rxf8+ Kxf8 22. Qh7 -- 23. Bh6 (23. Rxg7 Qxg7 24. Bh6)) (20... Nd8 21. Rfg3 Rf7 22. Bh6 $18 ) 21. Rxf8+ Kxf8 22. Qh7 Qf7 23. Rxg7 Qf1+ 24. Nd1 Nf7 25. Qg8+ 1-0