C50: Hungarian Defence and Giuoco Pianissimo

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d5 6. exd5 Nxd5 7. Bb5 7. Ng5 O-O 8. Nc3 Nf6 9. Nce4 Nxe4 10. Nxe4 Be7 11. Qh5 Qd7 12. f4 Na5 13. f5 Nxc4 14. f6 Bxf6 15. Nxf6+ gxf6 16. Bh6 Qd4+ 17. Kh1 Qg4 18. Qxg4+ Bxg4 19. dxc4 Rfe8 20. Rxf6 Rad8 21. h3 Rd1+ Inkiov,V-Toth,B/Rome 1984/MCL/1/2-1/2 (27) 7. Re1 O-O 8. Nxe5 (8. Bg5 f6 9. Nc3 Nce7 (9... Be6 10. Be3 Bb4 11. Bd2 Re8 12. Nxd5 Bxd5 13. Bxd5+ Qxd5 14. Bxb4 Nxb4 15. a3 Nc6 16. Qd2 Rad8 17. Qc3 a5 18. b3 Re7 19. h3 Kf8 20. Re2 Nd4 21. Nxd4 exd4 22. Qd2 Rxe2 23. Qxe2 Re8 24. Qd2 Anka,E-Arkhipov,S/Kecskemet 1991/CBM 23 ext/1/2-1/2 (41)) 10. d4 exd4 11. Rxe7 Bxe7 12. Nxd5 Kh8 13. Bf4 Bd6 14. Qxd4 c5 15. Qc3 Be6 16. Bxd6 Qxd6 17. Ne3 Bxc4 18. Qxc4 Rad8 19. h3 Qb6 20. b3 Rd7 21. Qg4 Rfd8 22. c4 Qc6 Kineva,E-Kuzmina,O/Vladimir 2002/CBM 87 ext/1-0 (60)) 8... Qh4 9. Qf3 (9. Nf3 Qxf2+ 10. Kh1 Nf6 11. Nbd2 Bd6 12. Ne4 Nxe4 13. dxe4 Qc5 14. Bb3 Bg4 15. Qd5 Bxf3 16. Qxc5 Bxg2+ 17. Kxg2 Bxc5 18. Bf4 Bb6 19. Rad1 Rad8 20. Bg5 Rxd1 21. Rxd1 Nd4 22. Be3 Nxb3 23. Bxb6 axb6 Marciano,D-Hauchard,A/Bad Wildbad 1990/CBM 20 ext/0-1 (60)) 9... Nf6 10. Nxc6 Ng4 11. d4 Qxh2+ 12. Kf1 bxc6 13. dxc5 Ne5 14. Rxe5 Qxe5 15. Nc3 Qxc5 16. Bb3 Bd7 17. Be3 Qe7 18. Qg3 Bf5 19. Bd4 Bg6 20. Re1 Qd6 21. Be5 Qd7 Rodriguez,A-Pierrot,F/Mar del Plata 2001/CBM 81 ext/1-0 (31) 7... Bg4 8. h3 h5? 8... Bxf3!? is worth consideration 9. Qxf3 Nde7 9. hxg4 9. Re1 Be6 9... hxg4 10. Ng5 10. Bg5!? Qd7 11. Bxc6 bxc6 12. Nxe5 10... g3 11. Qf3 Nf4?? 11... gxf2+ was possible 12. Rxf2 Qd7 12. Bxc6+ Kf8 13. Bxf4 13. Bxb7 leads to a pleasing mate 13... Qxg5 14. Bc8 Rxc8 15. Qxf4 Rh1+ 16. Kxh1 Qh5+ 17. Qh4 Qxh4+ 18. Kg1 Qh2# 13... exf4 14. Qxf4 14. Bxb7 Qxg5 15. Rc1 Rh1+ 16. Kxh1 Bxf2 17. Qxf2 gxf2 18. g4 f3 19. Bxf3 Qxc1+ 20. Kh2 Qg1+ 21. Kh3 f1=Q+ 22. Kh4 Qxf3 23. Nd2 Qfxg4# 14... gxf2+ 15. Rxf2 Bxf2+ 16. Kxf2 Qf6 17. Qxf6 gxf6 18. Nxf7 Rh1 19. Bd5 Re8 20. g3 Rc1 21. a4 Rxc2+ 22. Kf3 Re1 22... Rc1 desperation 23. Na3 Rxa1 24. Nxc2 Rd1 25. Ke3 Rg1 25... c6 is not much help 26. Bc4 26. Nd8 Rxg3+ 26... b6 cannot change destiny 27. Kf4 27. Bf3 Ke7 27... b6 doesn't improve anything 28. Ne6+ Ke7 29. Nxc7 28. Nxb7 Rg8 29. Nd4 Rh8 29... f5 does not win a prize 30. Nc6+ Kf6 31. Nc5 30. a5 Kd7 30... Kf7 is no salvation 31. Nb5 31. Bg4+ 31. Bg4+ Ke8 32. Nc6 31. Nc5+!? seems even better 31... Kd6 32. b4 c6 1-0 [Fritz 8 (30s)]

C45: Scotch Game

1. e4 Nc6 2. d4 e5 3. Nf3 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Nb6 9. b3 d5 9... g6 10. a4 a5 11. Ba3 c5 12. Nc3 Bg7 13. f4 f6 14. Bxc5 Qxc5 15. exf6+ Kf7 16. fxg7 Kxg7 17. O-O-O Bb7 18. Qe5+ Qxe5 19. fxe5 Rad8 20. Nb5 Rhe8 21. Bd3 Rxe5 22. Rhe1 Rde8 23. Rxe5 Rxe5 24. g3 Van der Wiel,J-Piket,J/NED 1992/CBM 30/1/2-1/2 (25) 10. exd6 cxd6 11. Qxe7+ 11. Bb2 f6 12. Nc3 Bg4 13. Qxe7+ Bxe7 14. Bd3 Rd8 15. O-O Kf7 16. Ne2 d5 17. cxd5 Rxd5 18. Nf4 Rxd3 19. Nxd3 Be2 20. Nf4 Bxf1 21. Kxf1 c5 22. Rc1 Rc8 23. Ke2 c4 24. Bd4 cxb3 25. Rxc8 Nxc8 Kharashkina,B-Zlatanova,E/Varna 2002/CBM 88 ext/1/2-1/2 (43) 11... Bxe7 12. Bb2 O-O 13. Be2 f5 13... Re8 14. Nc3= 14. O-O Bb7 15. a4 15. Re1 Rae8= 15... Nd7 16. b4 d5 17. cxd5 17. b5 Bf6 18. Bxf6 Nxf6= 17... Bxb4 18. dxc6 Bxc6 19. Bd4 Nf6 20. Rc1 Bd5 20... Bd7 21. Bc4+ Kh8 22. Nc3 21. Nc3 Bf7 22. Bf3 Bxc3 23. Rxc3 Nd5 24. Rc5 Rfd8 25. Rd1 Rab8 25... Rac8 26. Rxc8 Rxc8 27. h4 26. h3 26. Be5!? Rb7 27. Bc7 Rd7 26... Nb6 27. Rxf5 Nxa4 28. Bxa7?? White is ruining her position 28. Ra5 the rescuing straw 28... Nb2 29. Bxb2 Rxd1+ 30. Bxd1 Rxb2 31. Rxa7 28... Rxd1+ 29. Bxd1 Rb1 30. Ra5 Rxd1+ 31. Kh2 Bb3 32. Rb5 Rd3 32... Bd5 seems even better 33. Ra5 Nb2 34. Bc5 33. Rb8+ Kf7 34. Rb7+ Kg6 35. Bb8 Nc5 36. Rc7 Ne4 37. Rc6+ Kf7 38. Rc7+ Kf6 39. Rc6+ Be6 40. f4 Ke7 41. Be5 g6 42. Rc7+ Rd7 43. Rxd7+ Bxd7 44. g4 Ke6 45. g5 45. Kg2 Bb5 45... Kf5 45... Nxg5 and Black can already relax 46. Bb2 Ne4 47. Kg2 46. Kg2 46. Bb8 doesn't change anything anymore 46... Nc3 46... Bc6 47. Kh2 Bd5 48. Kg1 48. Bc7 is no salvation 48... Nc3 48... Nd2 48... Nxg5 makes it even easier for Black 49. Kh2 49. Kf2 Nf3 50. Bc7 Nd4 51. Kg3 51. Bb8 does not help much 51... Ke4 51... Ne2+ 52. Kh4 52. Kh2 is still a small chance 52... Be6 53. Bb8 53. Be5 doesn't get the bull off the ice 53... Ke4 54. f5 Bxf5 55. Bf4 Kf3 56. Bg3 Bd7 57. Be5 Be6 58. Bd4 Nf4 59. Be5 Ng2# 53... Ke4 54. Bc7 54. Be5 does not win a prize 54... Kf3 55. f5 Bxf5 56. Bh2 Bd7 57. Be5 Be6 58. Bd4 Nf4 59. Be5 Ng2# 54... Bf5 54... Kf3 55. f5 Nd4 56. fxg6 hxg6 57. Be5 Nf5# 55. Bb8 55. Ba5 does not improve anything 55... Bd7 56. f5 Kf3 57. fxg6 hxg6 58. Bc3 Nf4 59. Be5 Ng2# 55... Kf3 56. Bc7 Nc1 56... Be4 57. f5 Nd4 58. fxg6 hxg6 59. Be5 Nf5# 57. Bb8 57. Ba5 cannot change destiny 57... Nd3 58. Bd2 Be4 59. f5 Bxf5 60. Be3 Ne1 61. Bd4 Ng2# 57... Nd3 58. Bc7 58. Be5 cannot change what is in store for ? 58... Ne1 59. Bd4 Ng2# 58... Ne1 58... Ne1 59. Be5 Ng2# 0-1 [Fritz 8 (30s)]

B07: Pirc Defence: Miscellaneous Systems

1. e4 d6 2. Nc3 Nf6 3. Bc4 g6 4. d3 Bg7 5. Be3 5. h3 O-O 6. Nge2 e5 7. O-O c6 8. Ng3 a5 9. a4 Be6 10. Ba2 h6 11. Kh1 Qd7 12. Bxe6 fxe6 13. b3 Na6 14. Bd2 Rf7 15. Nce2 b6 16. Qc1 Kh7 17. Be3 c5 18. f3 Raf8 19. Kg1 d5 Mihelic,S-Vospernik,M/Bled 1996/CBM 55 ext/0-1 (47) 5. f4 c6 (5... Nc6 6. Nf3 Na5 7. Bb3 Nxb3 8. axb3 O-O 9. O-O b6 (9... a6) 10. Qe1 e6 11. Qh4 Nd7 12. Qg3 f5 13. Ng5 Nf6 14. Bd2 Re8 15. Rae1 Qd7 16. Qh4 h6 17. Nf3 Bb7 18. Qg3 Qf7 19. e5 Nh5 20. Qf2 Branding,V-Oschetzki,S/Muenster 1997/CBM 60 ext/0-1 (53)) 6. Nf3 b5 7. Bb3 O-O 8. O-O a5 9. a3 Na6 10. Qe1 Nc5 11. Ba2 b4 12. Nb1 Rb8 13. Be3 b3 14. cxb3 Nxd3 15. Qd2 Nc5 16. e5 Nd5 17. Bf2 Ne4 18. Qc1 Nxf2 19. Rxf2 Bh6 Vlad,D-Baciu,S/Bucharest 2002/CBM 87 ext/0-1 (44) 5... Nbd7 6. h3 Prevents intrusion on g4 6... Nb6 7. Bb3 d5 8. Bxb6 axb6 9. exd5 Weaker is 9. Nxd5 Nxd5 10. exd5 Bxb2 9... Ra5 10. Qf3 b5 11. Qf4 b6 11... Qd6 12. Qxd6 exd6 13. a3= 12. Nf3 Bb7 13. O-O O-O 14. Rfe1 Nxd5 15. Nxd5 Bxd5 16. Bxd5 Qxd5 17. c3 Covers d4. 17... Rxa2 18. Rxa2 Qxa2 19. Qxc7 19. Qb4!?= might be a viable alternative 19... Qxb2 20. d4 e6 21. Ne5 21. Qxb6 Qxc3 22. Rb1 Rc8 21... Qd2 21... b4 22. cxb4 Qxb4 23. Rd1 22. Kf1 Bxe5 22... b4 23. cxb4 Qxd4 23. Rxe5? 23. dxe5!? is the best option White has 23... Qc2 24. Qd7 23... Ra8 24. Re1 Ra2 24... b4 25. cxb4 Qxd4 25. Qb8+= Kg7 26. Qe5+ Kh6 27. Qe3+ 27. Qf6!? Qd3+ 28. Kg1= 27... Qxe3 28. Rxe3 Ra3 29. Ke2 Kg7 30. Rf3 f5 31. Rd3 Kf7 32. Re3 h5 33. h4 33. Rd3 g5 33... Rb3 34. Re5 Rxc3 35. Rxb5 Rc6 36. Ke3 Rd6 37. Rb1 Ke7 38. Ra1 Rd7 39. Ra8 Rd8 40. Ra6 Rb8 41. Kd3 Rb7 42. Kc4 Rc7+ 43. Kd3 Rc6 44. Ra7+ Kf6 45. Rb7 Rd6 45... g5 46. hxg5+ Kxg5 47. Ke3 46. f4= Rc6 47. Kd2 47. g3!?= is noteworthy 47... Rc4 48. Rxb6 Rxd4+ 49. Ke3 Re4+ 50. Kf3 Re1 51. g3 Rd1 52. Rb7 Rd8 53. Ra7 Re8 54. Ra6 Kf7 55. Ra5 1/2-1/2 [Fritz 8 (30s)]

D02: 1 d4 d5 2 Nf3 sidelines, including 2...Nf6 3 g3 and 2...Nf6 3 Bf4

1. d4 Nc6 2. Nf3 d5 3. Bg5 Nf6 4. e3 e6 4... Ne4 5. Bh4 Bg4 6. c3 g5 7. h3 Bh5 8. Qb3 gxh4 9. Qxb7 Rb8 10. Qxc6+ Qd7 11. Qa6 Bg7 12. b4 O-O 13. Be2 Rb6 14. Qxa7 Rg6 15. Kf1 Bh6 16. Nbd2 Qf5 17. Nxe4 dxe4 18. Nxh4 Bxe2+ 19. Kxe2 Sanchez Guirado,F-Rojo Gomez,J/Barcelona 2000/CBM 77 ext/1/2-1/2 (31) 5. c3 Controls b4 5... Be7 6. Bd3 Bd7 7. Nbd2 a6 Prevents intrusion on b5 8. Qc2 h6 9. Bh4 b5 9... g5 10. Bg3 10. O-O Na5 11. e4 dxe4 12. Nxe4 Nxe4 13. Bxe7 Qxe7 14. Bxe4 Rc8 15. Ne5 c6 15... c5 16. dxc5 Nc4 17. Nd3 16. Rae1 16. b3 c5 17. dxc5 Nc6 18. Nxd7 Qxd7 16... O-O 17. Re3 17. b4 Nb7 17... c5 18. d5 Qd6? 18... Nc4 19. Nxc4 bxc4 20. dxe6 Bxe6 19. Rd1 19. Nxd7?! Qxd7 20. dxe6 fxe6 19... Nc4 19... Qe7 20. Nxd7 Qxd7 21. dxe6 Qc7 20. Nxc4 bxc4 20... Qb8 does not solve anything 21. Ne5! hanging on to the material is worse 21... Rcd8 22. d6 21. dxe6 21. dxe6 Qxd1+ 22. Qxd1 Bxe6 23. f4 1-0 [Fritz 8 (30s)]

A40: Unusual replies to 1 d4

1. d4 Nc6 2. c4 e5 3. d5 Nce7 4. e4 Ng6 5. Nf3 Nf6 6. Nc3 d6 7. Bd3 7. h3 Be7 8. Be3 (8. Bd3 O-O 9. Ne2 h6 10. g4 Nh7 11. Ng3 Ng5 12. Nf5 Nxf3+ 13. Qxf3 Bg5 14. Be3 Nf4 15. Bxf4 Bxf4 16. h4 c6 17. Ne3 Qa5+ 18. Ke2 Bd7 19. g5 Rac8 20. b4 Qxb4 21. Rab1 Qa5 22. Rxb7 Rc7 Abou el Zein,E-Slapikas,V/Cairo 2002/CBM 87 ext/0-1 (41)) 8... h6 9. Qc2 (9. Qd2 c5 10. Bd3 Bd7 11. Ne2 Nh5 12. Rg1 Nh4 13. Nxh4 Bxh4 14. g3 Bg5 15. f4 exf4 16. gxf4 Bh4+ 17. Kd1 Bf6 18. Nc3 Qa5 19. e5 dxe5 20. Qe2 e4 21. Nxe4 Ba4+ 22. Bc2 O-O-O 23. Qxh5 Bxc2+ Lutz,C-Jongsma,A/Tilburg 1993/CBM 39/1-0 (27)) 9... b6 10. g3 Nh7 11. Bg2 O-O 12. O-O-O f5 13. Ne2 Kh8 14. h4 f4 15. Bd2 fxg3 16. fxg3 Kg8 17. Nh2 Nf6 18. Bf3 Bd7 19. Nc3 Qc8 20. Qd3 a6 21. Qe2 Qb7 Heinicke,H-Wagner,H/Hamburg 1930/HCL/0-1 (46) 7. h4 Be7 8. g3 O-O 9. h5 Nh8 10. Nh4 Ne8 11. Nf5 c6 12. Be3 Bxf5 13. exf5 Bg5 14. f4 Bh6 15. dxc6 bxc6 16. Bg2 d5 17. cxd5 exf4 18. gxf4 Nd6 19. Qd3 c5 20. O-O-O c4 21. Qc2 f6 Sulava,N-Kos,T/Paks 2000/CBM 77 ext/1-0 (40) 7. Be2 Be7 8. h3 Nd7 9. Be3 a5 10. Qd2 b6 11. O-O Bf6 12. Nh2 h5 13. Rad1 Nc5 14. f4 exf4 15. Bxf4 Nxf4 16. Qxf4 Qe7 17. Nf3 Bxc3 18. bxc3 Qxe4 19. Qg5 O-O 20. Nd4 Qg6 21. Qh4 Bd7 Camara,R-Perez Alcocer,J/Sao Paulo 1960/MCD/0-1 (27) 7... Bd7 8. O-O Be7 9. h3 Covers g4 9... h5 9... Qb8 10. Be3 10. Be3 Qc8 11. Nh2 h4 12. b4 White prepares c5 12... Nh5 13. c5 Nhf4 14. Bxf4 14. Be2!? 14... Nxf4 15. Qf3 dxc5 16. bxc5 Bxc5 17. Bc4 Bd6 17... Rh6 18. Ne2 Nxh3+ 19. gxh3 Bxh3 20. Kh1 Bxf1 21. Rxf1= 18. Rac1 a6 Consolidates b5 19. Kh1 Rh6 20. Ng4 20. Ne2!? 20... Bxg4 21. hxg4 Rg6 22. g3?? shortens the misery for White 22. Ne2 Rxg4 23. Nxf4 Rxf4 (23... exf4?! 24. e5 Bxe5 25. d6 Bxd6 26. Rfe1+ Kf8 27. Be6 fxe6 28. Qxg4) 22... Nh3 22... hxg3 and the rest is a matter of technique 23. fxg3 Rh6+ 24. Kg1 Bc5+ 25. Rf2 Nh3+ 26. Kg2 Nxf2 23. Be2 Ng5 24. Qf5 hxg3 25. fxg3 Ke7 25... Qd8!? 26. Qf2 Qe7 26. Kg2 Qxf5 27. gxf5 Rh6 28. Rb1? 28. Rh1 28... Rah8 29. Kf2 Bc5+ 30. Ke1 Bd4 31. Nd1 31. Rc1 Rh1 31... Nxe4 32. Rxb7 Bb6 33. Bf3 33. Nf2 no good, but what else? 33... Nxg3 34. Rg1 Nxe2 35. Kxe2 33... Ba5+ 33... Ba5+ 34. Ke2 Nxg3+ 35. Kf2 Nxf1 36. Kxf1 Rh1+ 37. Bxh1 Rxh1+ 38. Ke2 Re1+ 39. Kf3 Rxd1 0-1 [Fritz 8 (30s)]