Kayvan A Sylvan (1385) - Mathew Ho (1298) [C50]

World Cup Of Pawns (Kolty)/Campbell Community Center (2) 1997

C50: Hungarian Defence and Giuoco Pianissimo

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 d6 6. h3 Be6 last book move 7. Bb3 Qd7 8. Na4 Bb6 9. Ng5 Ba5+ 10. Bd2 10. Nc3 Bxb3 11. axb3 h6= 10... O-O 11. Nxe6 Bxd2+ 12. Qxd2 fxe6 13. a3 Consolidates b4 13... Nd4 14. Nc3 Nxb3 15. cxb3 Rae8 16. O-O d5 17. Rad1 Qc6 17... c5 18. Qg5 Qd6 19. f4 black is slightly better 18. f4 better is 18. Qg5!?= might be a viable alternative 18... exf4 black has a moderate advantage 19. e5 Nd7 20. d4 Qb6 21. Rf2 21. Rxf4 Rxf4 22. Qxf4 Qxb3 21... Qxb3 black has a decisive advantage 22. Rdf1 Nb6 22... c5 23. Ne2 23. Nd1 23. Rxf4!? Nd7 24. Ne2 23... Nc4 24. Qe2 Ne3 24... c5 25. dxc5 Qg3 26. Qh5 25. Rf3 Qc4 26. Qxc4 Nxc4 27. Rb3 27. R1f2 c5 27... Nd2 28. Rxb7 Nxf1 29. Kxf1 Rc8 30. b4 a5 31. b5?! puts up no strong fight 31. bxa5 c5 32. dxc5 Rxc5 31... c6 31... c5 seems even better 32. Re7 black has a decisive advantage 32. bxc6 32. b6 doesn't do any good 32... Rb8 33. Ra7 Rxb6 32... Rxc6 33. Nb2 33. Rb2 cannot undo what has already been done 33... Rc1 34. Ke2 Rfc8 33... f3 34. Nd3 f2 34... better is Rc3 and the result of the game is clear: Black will win 35. Ne1 Rc1 36. gxf3 Rxf3+ 37. Ke2 Rxh3 38. Nf3 Rc2+ 39. Kd1 black has a decisive advantage 35. Nc5 35. Rb1 Rf5 36. Nc5 Rf4 35... Rf4 36. Rb5 Rxd4 37. Kxf2 37. Rxa5 is not the saving move 37... Rd2 38. Nb3 Ra2 37... Rc4 37... Rd2+ keeps an even firmer grip 38. Kg1 Rc2 39. Nb3 38. Nb3 38. Nb7 hoping against hope 38... Rc2+ 39. Kg1 38... a4 39. Na5 39. Nd2 doesn't change anything anymore 39... Rc2 40. Ke2 Ra2 41. Rb8+ Kf7 42. Rb7+ Kg6 black has a decisive advantage 39... Rc2+ 40. Kg1 40. Ke3 doesn't change the outcome of the game 40... R6c3+ 41. Kd4 Rxa3 40... R6c3 41. Nb7 d4 42. Nd6 h6 43. Rb7 43. Rb8+ is not much help 43... Kh7 44. Rb4 d3 45. Rxa4 Rc1+ 46. Kf2 d2 43... d3 44. Ne4 44. Rd7 doesn't get the bull off the ice 44... Rxa3 45. Kh2 Rb3 black has a decisive advantage 44... Rxa3 45. Rd7 Ra1+ 45... Rb3!? makes it even easier for Black 46. Kh2 a3 47. Ra7 46. Kh2 d2! a convincing end 47. Nf2 47. Nxd2 Theme: Interference 47... Rd1 47... Rf1 48. Ne4 d1=Q 49. Rxd1 Rxd1 50. Kg3 a3 50... a3 51. Kf4 a2 52. Kf3 Rd3+ 53. Kf4 a1=Q 54. Kg4 Rxg2+ 55. Kf4 Qf1+ 56. Nf2 Qxf2+ 57. Ke4 Qf3# 0-1 [Fritz 8 (30s)]

Daniel McGill (1490) - Kayvan A Sylvan (1385) [A45]

World Cup Of Pawns (Kolty)/Campbell Community Center (3) 1997

A45: Trompowsky Attack

1. d4 Nf6 2. e3 g6 3. Nc3 d5 4. Nf3 last book move 4... c5 5. Be2 5. dxc5 Qa5 white is slightly better 5... Nc6 6. a3 Consolidates b4 6. dxc5 e5 6... Bg4 6... Ne4 7. Qd3= 7. Ne5 7. dxc5 Bg7 7... Bxe2= 8. Qxe2 cxd4 9. Nxc6 bxc6 10. exd4 Bg7 11. O-O O-O 12. Bf4 Re8 13. Rfe1 13. Be5!?= 13... Nh5 14. Be3 e5 15. dxe5 Bxe5 16. g3 Covers f4 16... Bxc3 16... Bg7!? 17. Rad1 Qb8 black is slightly better 17. bxc3= Qa5 18. Qd2 Nf6 18... Ng7 19. c4 Qxd2 20. Bxd2= 19. Qd4 Re6 20. Bh6 c5 21. Qd3 Rae8 22. Rxe6 fxe6 23. f3 Secures e4+g4 23. c4 Qa6= 23... c4 Black gains space 24. Qd2 Qb6+ 25. Kg2 Nd7 25... a6 26. Qd4 Qxd4 27. cxd4= 26. Re1 26. Qd4 Qxd4 27. cxd4 e5= 26... Qd6 26... Qc6!? black is slightly better must be considered 27. Qd4 white is slightly better Re7 28. Qxa7 Nf6 29. Qa5 e5 30. Bg5 Kf7 31. Rd1 Rd7 32. Rb1 Ne8 32... Qe6 33. Rb6 Rd6 34. Rxd6 Qxd6 35. Qa8 white has a moderate advantage 33. Qa4 33. Rb6!? Qc7 34. Qb5 33... Qe6 34. Re1 Rc7 34... Nf6 35. Qa8 Re7 36. Bxf6 Kxf6 37. Qh8+ Rg7 38. f4 35. Kf2 35. Bf4!? Qc6 36. Qxc6 Rxc6 37. Bxe5 Ra6 white has a decisive advantage 35... Qh3 35... Nd6!? white is slightly better has some apparent merit 36. Kg1 h6? 36... Qe6 37. Qa5 white has a moderate advantage 37. Bd2 better is 37. Rxe5 White has the better game 37... Nf6 38. Bxf6 Kxf6 39. Qa5 (39. Rxd5?! Qe6 40. Qa8 Rc8) 37... Re7 38. Qb5 Nc7 38... Nf6 39. Qc5 39. Qc5 39. Qb8 Qf5 40. Bxh6 Ne8 white has a decisive advantage 39... Qf5 39... g5 40. Rb1 Qf5 41. Be3 white is slightly better 40. Rc1 40. Bxh6 Qd7 40... Ke8? 40... g5 41. a4 41. Kg2 41. Bxh6 Kd7 42. f4 Qh3 41... e4? This push gains space better is 41... h5 42. Bf4?? throwing away the advantage 42. fxe4 and White could have gained the advantage 42... dxe4 43. Qc6+ Rd7 44. Bxh6 white has a decisive advantage 42... exf3+ black has a moderate advantage 43. Kf2?? leads to further unpleasantness 43. Kg1 Ne6 44. Qc8+ Kf7 45. Rf1 43... Ne6 43... Re2+ keeps an even firmer grip 44. Kg1 Qh3 45. Qc6+ Kf7 46. Qxc7+ Re7 47. Qxe7+ Kxe7 48. Re1+ Kd7 49. Kf2 Qg2+ 50. Ke3 black has a decisive advantage 44. Qc8+ 44. Qc6+ desperation 44... Kf7 45. Qd6 44... Kf7 45. Re1 45. a4 g5 46. Bd6 Qh3 47. Kxf3 Qf5+ 48. Kg2 Nf4+ 49. gxf4 Qxc8 50. Bxe7 Qg4+ 51. Kh1 Qf3+ 52. Kg1 Qe3+ 53. Kg2 Qxc1 45... Qxc2+ 45... better is Qh3 and Black wins 46. Kxf3 Nd4+ 47. cxd4 Qxc8 48. Rxe7+ Kxe7 49. g4 black has a decisive advantage 46. Kxf3 Qxc3+ 46... g5 and Black can already relax 47. Rxe6 Qd1+ (47... Rxe6?! 48. Qd7+ Re7 49. Qxd5+ Kg7 50. Be5+ Kh7 51. Qe4+ Qxe4+ 52. Kxe4 black is slightly better ) (47... weaker is gxf4 48. Rxe7+ Kxe7 49. Qc7+ Ke6 50. Qb6+ ( 50. Qxf4 Qxc3+ 51. Ke2 Qb2+ 52. Kd1 Qb1+ 53. Qc1 Qb3+ 54. Ke1 Kd7 black has a moderate advantage ) 50... Kd7 51. Qd4=) 48. Kf2 Rxe6 49. Qd7+ Kf6 50. Qd8+ Kf5 51. Qf8+ Rf6 52. Qc8+ Ke4 53. Qe8+ Kd3 black has a decisive advantage 47. Re3 47. Kf2 does not solve anything 47... Qf6 48. Qc6 Nxf4 49. Rxe7+ Kxe7 50. Qc7+ Ke6 51. gxf4 Kf5 52. Qd7+ Ke4 53. Qe8+ Kxf4 54. Qe3+ Kf5 47... Qf6 47... better is Nd4+!? might be the shorter path 48. Kg4 h5+ 49. Kh3 Rxe3 50. Bg5 48. a4 48. Ke2 Nxf4+ 49. gxf4 Qxf4 50. Rxe7+ Kxe7 51. Qb7+ Ke6 52. Qc6+ Ke5 53. Qc7+ Ke4 54. Qe7+ Qe5 55. Qh4+ Kf5+ 56. Kd1 Qa1+ 57. Ke2 Qb2+ 58. Kf1 Qc1+ 59. Qe1 Qxe1+ 60. Kxe1 black has a decisive advantage 48... d4 49. Ra3 49. Re5 does not help much 49... Ng5+ 50. Kg2 Rxe5 51. Qxc4+ Re6 49... d3 49... better is Rc7! and Black takes home the point 50. Qb8 g5 50. Qxc4 0-1 [Fritz 8 (30s)]

Fred Leffingwell (1822) - Kayvan A Sylvan (1385) [B83]

World Cup Of Pawns (Kolty)/Campbell Community Center (4) 1997

B54: Sicilian: 2...d6 3 d4 cxd4 4 Nxd4, Unusual Lines

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d6 5. Bc4 last book move 5... g6 6. O-O Bg7 7. c3 Secures b4+d4 7... Nf6 8. Qb3 O-O 9. Nxc6 bxc6 10. e5 10. Nd2!?= 10... Ne4 11. exd6 exd6 12. Be3 d5 13. Bd3 Qe7 14. Nd2 Nc5?? Black is ruining his position better is 14... Nxd2 was possible 15. Bxd2 Be6= 15. Qb4 Qxe3 16. fxe3 Nxd3 17. Qd6 Bh6 18. Rf3 Inferior is 18. Qxc6 Bxe3+ 19. Kh1 Be6 white has a moderate advantage 18... Bg4 19. Rg3 Rfe8 19... Be6 20. Rb1 white has a decisive advantage 20. Qxc6 Bh5 20... Rad8 21. Qf6 (21. Rxg4?! Bxe3+ 22. Kf1 Ne5) 21... Be2 22. Qh4 21. Nf1 21. Rf1 seems even better 21... Be2 22. Rf5 Rab8 23. Qxd5 Rf8 21... Be2 21... Nxb2 22. Rb1 Nc4 23. Qxd5 22. Rh3 Rac8 23. Qxd5 Rcd8 24. Qxd8 better is 24. Qa5!? seems even better 24... Bg7 white has a decisive advantage 24... Rxd8 25. Rxh6 Bh5 25... Nxb2 26. Rh4 26. Ng3 Kg7 27. Nf5+ Kg8 28. Ng3 28. Rxh5 and White can already relax 28... gxh5 29. Rd1 Rd7 28... Kg7 29. Rxh5 gxh5 30. Nxh5+ 30. Rd1!? makes it even easier for White 30... Kf6 31. Nxh5+ Ke7 32. b3 30... Kh6 31. g4 Ne5 32. h3 Rd2? 32... better is f5 white has a decisive advantage 33. Rf1 Rxb2 34. Rf6+ Ng6 35. Rxf7 35. a4 might be the shorter path 35... Rb7 35... Rxa2 36. Ng3 Ne5 37. Rf2?? White has let it slip away 37. Nf5+ Kg6 38. Rg7+ Kf6 39. Rxh7 a5 37... Ra1+? 37... Rxf2!? 38. Kxf2 a5 white has a moderate advantage 38. Kg2 Rc1 38... a5 39. Nh5 white has a decisive advantage 39. Ne4 Re1 40. Rf5 Nc4 41. Rf3 41. Rc5!? Nxe3+ 42. Kf3 Nc2 41... Nxe3+ 42. Kf2 Nc2 43. Ng3 Kg6 44. Rd3 Re7 45. Rd6+ Kf7 46. Nf5 Rc7 47. Ra6 Rxc3 48. Rxa7+ Kg8 49. Ra8+ 49. h4!? Nb4 50. g5 Rc2+ 51. Kf3 Rc3+ 52. Kg4 49... Kf7 white has a moderate advantage 50. Kg2 Ne3+ 51. Nxe3 Rxe3 52. Ra5 Rd3 53. Rf5+ Kg6 54. Rf3 54. h4 h6 54... Rd4 54... Rxf3!? 55. Kxf3 h5= 55. Kg3 h5 56. Rf5 hxg4 57. hxg4 Rd1 1/2-1/2 [Fritz 8 (30s)]

Game(s) in PGN