[Event "Terwinselen"] [Site "?"] [Round "0"] [White "Kramer"] [Black "Soultanbeieff"] [Result "1-0"] [ECO "A30"] [Opening "English: Symmetrical, 2.Nf3 Nf6"] 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nb6 7. O-O e5 8. d3 Be7 9. Be3 f6 10. Rc1 Nd4 11. Ne4 Nd7 12. b4 $1 {This pawn sacrifice is aimed at liquidating the Black outpost on d4 and make it difficult for Black to castle} 12... Nxf3+ 13. Bxf3 cxb4 14. Qb3 a5 { This not only protects the b-pawn, but also prepares to develop the Rook via a6 } (14... f5 15. Nc5 $16) 15. Qe6 $1 Nf8 $8 (15... -- 16. Nd6+ Kf8 17. Qf7#) ( 15... Nc5 16. Bh5+ $1 g6 17. Nxf6+ Kf8 18. Bh6#) (15... Ra6 16. Nxf6+ $1 Nxf6 ( 16... gxf6 17. Bh5+ Kf8 18. Qf7#) 17. Qxc8) 16. Nd6+ Qxd6 17. Rxc8+ Rxc8 18. Qxc8+ Bd8 19. Bxb7 {White has regained his pawn and still has excellent attacking chances in view of Black's uncastled King} 19... Nd7 {There is noth ing better. Before Black can get his pieces cooperating White's attack is bound to crash through} (19... Kf7 20. Rc1 Ng6 21. Qc4+) (19... Ne6 20. Rc1 Kf7 21. Rc6 Qe7 22. Ra6 $16) 20. Rc1 O-O {Too late!} 21. Bc6 Nb6 (21... Nb8 22. Bc5 Qxc6 23. Bxf8 $1) 22. Qa6 $1 (22. Qb7 Rf7) 22... Nd7 23. Qb7 Nb8 (23... Rf7 24. Bd5) 24. Bd5+ Kh8 25. Bc5 $18 1-0