[Event "US Junior Championship"] [Site "Memphis, TN"] [Date "1976.06.??"] [Round "4"] [White "Rohde"] [Black "Seirawan"] [Result "1-0"] [ECO "B01"] [WhiteElo "2519"] [BlackElo "2682"] [Annotator "Fritz 9 (30s)"] [PlyCount "115"] [EventDate "1976.??.??"] {B01: Scandinavian Defence} 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. Bc4 Bg4 6. h3 Bh5 7. Qe2 Nbd7 8. g4 Bg6 9. b4 Qb6 10. h4 h6 11. h5 Bh7 12. a4 { White prepares b5} c6 13. g5 hxg5 14. Nxg5 Bg8 {last book move} 15. a5 Qc7 ( 15... Qxb4 $142 $5 16. Ra2 Qd6 $17) 16. b5 $11 cxb5 17. Nxb5 {White has new hanging pawns: c2+d2} Qc6 18. Rh3 a6 19. Nc3 (19. Nd4 Qg2 20. Ndf3 e6 $14 ( 20... Nxh5 $2 {is a blank shot} 21. Qe4 Nhf6 22. Qxb7 $18) (20... Rxh5 $143 21. Rxh5 Nxh5 22. Qe4 Qh1+ 23. Bf1 $11)) 19... e6 $15 {Controls d5} 20. Bb2 Qg2 { Black threatens to win material: Qg2xg5} 21. Qe3 Bc5 (21... Nxh5 $2 {is worthless because of} 22. Nce4 f6 23. f3 fxg5 24. Bf1 Qxh3 25. Bxh3 $18) (21... Rxh5 $6 {is much worse} 22. Rxh5 Nxh5 23. O-O-O $15) 22. d4 Bxd4 23. Qxd4 Qxg5 {Now all is on h5. White cannot castle queen side} 24. Ne4 Nxe4 25. Qxe4 { White has a very active position} Bh7 {Black threatens to win material: Bh7xe4} 26. Qd4 {White threatens to win material: Qd4xg7} (26. Qxb7 $4 {the pawn must remain untouched} Rb8 27. Qc7 Rxb2 $19) 26... Rg8 {White has an active position } (26... Rc8 27. h6 (27. Qxg7 $2 {fails to} Qxg7 28. Bxg7 Rg8 29. Bxe6 Rxg7 30. Bxd7+ Kxd7 $19) 27... Rg8 28. Rd1 Qxa5+ 29. Kf1 $16) 27. Re3 (27. Bf1 Bxc2 28. h6 Bf5 $11 (28... gxh6 $4 29. Rg3 Ne5 30. Be2 $18 (30. Qxe5 $6 Qxe5+ 31. Bxe5 Rxg3 32. fxg3 Be4 $18))) 27... Qxh5 {Black inhibits 0-0-0.} (27... Bxc2 28. Be2 Qf6 $11) 28. Ba3 (28. Bd5 Rb8 29. Rd1 Bxc2 30. Rd2 $18) 28... Qxa5+ $17 (28... Bxc2 $2 {would be great except for} 29. Bxe6 {Demolition of pawn structure} fxe6 30. Rxe6+ Kd8 31. Be7+ Kc8 32. Qc3+ Nc5 33. Bxc5 $18 (33. Qxc5+ $6 Qxc5 34. Bxc5 g5 $11)) 29. Kf1 Bf5 30. Rd1 (30. Rb1 Qc7 (30... Bxc2 31. Rxb7 Qa4 32. Bxe6 fxe6 33. Rxe6+ Kd8 34. Be7+ Kc8 35. Rb4 Bd3+ 36. Qxd3 Ra7 37. Rxa4 a5 38. Rc6+ Kb8 39. Bd6+ Ka8 40. Rc8+ Kb7 41. Rc7+ Ka8 42. Qd5+ Kb8 43. Qxg8+ Nf8 44. Qxf8#) 31. Bd5 Rb8 $11 (31... Qxc2 $4 {Black will not be able to digest the pawn} 32. Rxb7 Qc8 33. Qf4 $18)) 30... O-O-O (30... Qc7 31. Bd5 Rc8 32. Qa4 $17 ) 31. Bd6 (31. Rc3 $142 Kb8 32. Be7 $17) 31... Qb6 $4 {weakening the position} (31... Nb8 $142 $5 32. Re5 Qc7 $17) 32. Qc3 {Black has a decisive advantage} ( 32. Rc3 $142 $5 Qxd4 33. Rxd4 $16) 32... Qc6 {Black king safety improved} ( 32... Nc5 33. Bxc5 Rxd1+ 34. Ke2 $15) 33. Bxa6 $11 {Demolition of pawn structure.} Nc5 (33... bxa6 {Deflection from c6} 34. Qxc6# {A classical mating theme}) 34. Bxb7+ {Demolishes the pawn shield.} Kxb7 {Black has a decisive advantage. Decoy to b7} (34... Nxb7 {Exploits the pin} 35. Qxc6#) 35. Rb1+ Ka8 $4 {gives the opponent new chances} (35... Kc8 $142 {this is the best bet to save the position} 36. Bxc5 Kd7 37. Rd1+ Ke8 38. Rxd8+ Kxd8 39. Qa5+ Kd7 40. Qa7+ Qc7 41. Qa4+ Qc6 42. Qa7+ Qc7 43. Qa4+ Qc6 44. Qa7+ $11) 36. Qxc5 $18 Qh1+ $4 {shortens the misery for Black} (36... Bd3+ 37. Rxd3 Qxc5 38. Bxc5 Rxd3 39. cxd3 Rb8 $18) 37. Ke2 Bg4+ 38. Kd2 Rxd6+ 39. Qxd6 Qxb1 40. Ra3+ Kb7 41. Rb3+ ( 41. Qd7+ Kb8 42. Qa7+ Kc8 43. Rc3+ Kd8 44. Qd4+ Ke8 45. Rc8+ Ke7 46. Rc7+ Ke8 47. Qd7+ Kf8 48. Qxf7#) 41... Qxb3 $18 42. cxb3 Bf5 43. Qd7+ Kb6 44. Kc3 (44. b4 Rb8 $18) 44... Rh8 (44... Bg6 45. b4 Rh8 46. b5 Rh3+ 47. Kb2 $18) 45. Qxf7 Rh3+ 46. Kb4 Rh4+ 47. Ka3 g6 48. Qf6 Rh3 49. Qd8+ Kb5 (49... Kc6 50. f4 $18) 50. Qb8+ Ka5 (50... Kc5 51. Qe5+ Kc6 52. Ka4 $18) 51. Qa7+ Kb5 52. Qb7+ Kc5 53. Ka4 Rd3 (53... Kd4 54. b4 $18) 54. Qc7+ (54. b4+ {seems even better} Kd6 55. b5 Rd4+ 56. Kb3 Be4 57. Qb6+ Kd5 $18) 54... Kd5 (54... Kd4 55. b4 Rf3 56. Qc5+ Ke4 57. b5 $18) 55. b4 Rd4 56. Ka5 Bd3 (56... Rc4 {a last effort to resist the inevitable} 57. Qd7+ Ke5 $18) 57. Qc5+ Ke4 58. f3+ $1 {here's the full point. . .} (58. f3+ Ke3 59. Qe5+ Be4 60. fxe4 Rxe4 61. Qc3+ Kf2 62. Qf6+ Kg2 63. b5 $18 ) 1-0