[Event "US Junior Championship"] [Site "Memphis, TN"] [Date "1976.06.??"] [Round "7"] [White "Diesen"] [Black "Rohde"] [Result "1-0"] [ECO "B08"] [WhiteElo "2467"] [BlackElo "2519"] [Annotator "Fritz 9 (30s)"] [PlyCount "97"] [EventDate "1976.??.??"] {B08: Pirc Defence: Classical System} 1. e4 d6 2. d4 g6 3. Nf3 Nf6 4. Nc3 Bg7 5. Be2 O-O 6. O-O c6 7. h3 b5 8. e5 Ne8 9. Bf4 Bb7 10. Qd2 Nd7 11. Rfd1 Nb6 12. Bh6 Qc7 13. Bxg7 Nxg7 14. Bd3 f6 15. Qh6 Qd7 16. Re1 Rf7 {last book move} 17. Nh4 Ne6 {Black threatens to win material: Ne6xd4} 18. Re3 (18. Nxg6 fxe5 19. Re3 e4 20. Bxe4 c5 $18) 18... dxe5 (18... b4 19. Ne2 Na4 20. Nxg6 $18) 19. dxe5 $16 f5 (19... b4 20. Ne2 c5 21. Nxg6 hxg6 22. Bxg6 Rg7 $18) 20. Rd1 Nd5 21. Rg3 Raf8 $4 {Black crumbles in face of a dire situation} (21... Nf8 $142 22. Ne2 c5 $18) 22. Bxf5 (22. Nxg6 $142 {secures the win} hxg6 23. Bxf5 $18) 22... Rxf5 23. Nxg6 $1 {Demolishes the pawn shield} (23. Nxf5 {is a bad alternative} Rxf5 24. Qe3 Qc7 (24... Nxe3 $143 25. Rxd7 Bc8 26. Rxe7 $16) 25. Qxa7 Nxc3 (25... Rxe5 $6 26. Nxd5 Rxd5 27. Rxd5 cxd5 28. Rc3 $14) 26. bxc3 c5 $17) 23... Kf7 ( 23... hxg6 24. Qxg6+ {A classical mating theme}) 24. Qxh7+ (24. a4 {keeps an even firmer grip} Ke8 25. Nxf8 Nxf8 26. axb5 cxb5 $18) 24... Ke8 25. Nxd5 (25. Nxf8 $5 {and White can already relax} Rxf8 26. Rg8 Kd8 $18) 25... cxd5 26. Nxf8 Nxf8 27. Qh6 (27. Rg8 Qe6 28. Qg7 Rf7 $18) 27... Rxe5 (27... Qc7 28. Rdd3 Qxe5 29. Rdf3 Rxf3 30. Rxf3 Qe1+ 31. Kh2 Qe5+ 32. Rg3 $14) 28. Rf3 Rf5 29. Rdd3 d4 30. Rxd4 $1 {a brilliant end.} Qxd4 $2 {Deflection from f5} (30... Qe6 $142 31. Qxe6 Nxe6 32. Rxf5 Nxd4 $18) 31. Rxf5 Nd7 32. Rxb5 Be4 33. c3 Qd3 34. Rb4 Nf6 35. Qc1 (35. f3 {makes it even easier for White} Bd5 $18) 35... Bc6 36. Qf1 ( 36. f3 {makes it even easier for White} Qg6 37. Kh2 Qf5 $18) 36... Qd5 37. f3 ( 37. a3 $5 {and White can already relax} Qd2 $18) 37... Qxa2 38. Qc4 Qb1+ (38... Qxc4 39. Rxc4 Kd7 40. Rc5 $18) 39. Kh2 Bd5 40. Qd4 (40. Qb5+ {seems even better } Kf7 41. Rf4 Be6 $18) 40... Qe1 (40... Qc2 41. Rb8+ Kf7 42. Qf4 $18) 41. Rb5 Qe6 42. Ra5 a6 43. Rc5 Kf7 (43... Qd6+ 44. f4 $18) 44. c4 Bb7 45. Qe5 (45. Rc7 $142 {might be the shorter path} Bc6 46. Qc5 $18) 45... Qb6 $4 {an oversight. But Black was lost anyway.} (45... Qxe5+ $142 46. Rxe5 Nd7 $18) 46. Rc7 Qb4 47. Qc5 (47. c5 $142 $5 {keeps an even firmer grip} Nd5 48. Rd7 a5 49. Rxd5 Bxd5 50. Qxd5+ Kf6 $18) 47... Qxc5 48. Rxc5 Ke6 (48... Ne8 {doesn't change the outcome of the game} 49. h4 $18) 49. Rc7 (49. Rc7 Ba8 50. b4 $18) 1-0