C45: Scotch Game

1. e4 Nc6 2. d4 e5 3. Nf3 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 d6 7. Bb5 7. Be2 Qg6 8. O-O Bh3 9. Bf3 Ne5 10. Nd2 Nf6 11. Nf5 Bxe3 12. Nxe3 Nxf3+ 13. Qxf3 Bd7 14. Nf5 Qg5 15. Qe3 Qxe3 16. Nxe3 O-O 17. c4 Rfe8 18. f3 c6 19. Rad1 Rad8 20. Nb1 Bc8 21. Nc3 g6 Strikovic,A-Oll,L/Oviedo 1993/CBM 38 ext/1-0 (42) 7... Bd7 8. O-O Qg6 8... Nge7 9. Nxc6 bxc6 10. Bxc5 cxb5 11. Bd4 Qg6 12. Nd2 O-O 13. f4 f6 14. Qe2 Qf7 15. Rfe1 Rfe8 16. Qd3 Nc6 17. Bf2 a6 18. b3 f5 19. exf5 Qxf5 20. Qxf5 Bxf5 21. Nf3 Bd7 22. Be3 Ne7 23. Bd2 Kan,I-Flohr,S/Leningrad 1939/HCL/0-1 (85) 8... Qe5 9. Bxc6 Bxc6 10. Nxc6 bxc6 11. Bd4 Bxd4 12. cxd4 Qe7 13. Qa4 Qd7 14. Nd2 Ne7 15. Rac1 O-O 16. d5 Qg4 17. dxc6 Ng6 18. Qd1 Qg5 19. Nf3 Qg4 20. Nd2 Qg5 21. g3 Rab8 22. b3 f5 23. f4 Dworakowska,J-Zawadzka,J/Ostrow 2002/CBM 87 ext/1-0 (46) 8... Bb6 9. Na3 Nge7 10. Nc4 O-O 11. Nxb6 axb6 12. f4 Qh6 13. Bd3 Ne5 14. Be2 f5 15. Bd2 N5c6 16. e5 Nxd4 17. cxd4 Bc6 18. Bf3 Rad8 19. Rf2 Kh8 20. Qb3 Bxf3 21. Qxf3 0-1 Saleh,M-Al Badani,A/Sanaa 2002/CBM 90 ext (21) 9. Nd2 Nf6 10. Qf3 Ne5 11. Bxd7+ Nexd7 11... Kxd7 12. Qe2 Nxe4 13. Nxe4 Qxe4 14. b4= 12. Rad1 Ne5 13. Qf5 Black cannot castle queen side 13... a6 Controls b5 14. Ne6 Traps the king in the center 14. Bg5 Nfd7= 14... Bxe3 14... fxe6!? looks like a viable alternative 15. Qxe6+ Kf8 16. Bxc5 Re8= 15. Nxc7+ Ke7 16. fxe3 Rac8 17. Qxg6 hxg6 18. Nd5+ Nxd5 19. exd5 Ng4 20. Nf3 Kd7 21. Rfe1 Rce8 22. Rd3 Re7 23. h3 Nf6 24. Rd4 Rhe8 25. Rd3 Ne4 The knight likes it on e4 25... Rh8 26. c4 26. b4 26. c4 Rc8 27. Rc1 Ke8 26... g5 27. Kf1 Rc8 The backward pawn on c3 becomes a target 28. Rc1 g4 29. hxg4 Rh8 30. Ke2 Nf6 30... Ng3+ 31. Kd2 31. g5 Ng4 31... Ne4!? 32. g6 f5 33. Ng5 33. Nd4 f4 34. Nf5 Re5 33... f4 34. e4 Rh5 34... Ne5!? 35. Rh3 Rc8 35. Ne6 Nf6 36. Kf3 Rh4 37. c4 Ng4 38. c5 38. Ke2 White missed this excellent chance 38... Ne5 39. Rh3 38... Ne5+ 39. Ke2 Nxd3 40. c6+ 40. Kxd3!? Rxe6 41. dxe6+ Kxe6 42. Ke2 40... bxc6= 41. Rxc6?? 41. Kxd3 saving the game 41... Rg4 42. a4 ( 42. dxc6+ Kc8 43. Nd4 Rg3+ 44. Kc4 Rxg6 (44... Rxg2 45. Rf1) ) 41... Rxe6 42. Rxa6 42. Kxd3 Rxg6 43. Rxa6 Rxg2 44. Ra7+ Ke8 45. Ra8+ Ke7 46. Ra7+ Kf6 47. Ra8 Rh3+ 48. Kc4 Rc2+ 49. Kb5 42... Rxe4+ 43. Kxd3 Rxb4 43... Re3+ 44. Kc2 Rg4 45. Kd1 Rxg2 46. Ra7+ Kc8 47. Rxg7 Rd3+ 48. Ke1 f3 49. Rg8+ Kb7 50. Re8 f2+ 51. Kf1 Rd1+ 52. Kxg2 f1=Q+ 53. Kg3 Qg1+ 54. Kf3 Rf1+ 55. Ke4 Qxg6+ 56. Ke3 Qxe8+ 57. Kd4 Rd1+ 58. Kc4 Qe2+ 59. Kb3 Rd3+ 60. Ka4 Qxa2+ 61. Kb5 Rxd5# 44. Ra7+ Ke8 45. Rxg7 Kf8 45... Rg4 might be the shorter path 46. Rg8+ Ke7 47. Ra8 46. Rf7+ Kg8 47. Kc3 Ra4 48. Kb3 Rd4 49. Kc3 Rxd5 49... Rxd5 50. Rd7 Rg4 0-1 [Fritz 8 (30s)]

B24: Closed Sicilian: 3 g3 sidelines

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 a6 5. a4 5. Nge2 b5 6. d4 cxd4 7. Nxd4 Bb7 8. O-O Bc5 9. Nb3 Be7 10. Re1 d6 11. Be3 Nf6 12. Qe2 O-O 13. Rad1 Qc7 14. f4 Rfe8 15. h3 Rac8 16. Qf2 Nd7 17. Rd2 Na5 18. Nxa5 Qxa5 19. a3 Rc4 Roos,J-Nezar,M/Epinal 2002/CBM 86 ext/0-1 (54) 5... Qc7 5... g6 6. d3 Bg7 7. Be3 b6 8. a5 Nxa5 9. Nge2 Ne7 10. Qd2 O-O 11. Bh6 d5 12. h4 d4 13. Na4 Qc7 14. h5 Nb7 15. Bxg7 Kxg7 16. hxg6 fxg6 17. Qh6+ Kf7 18. Qxh7+ Ke8 19. b3 e5 20. Qg7 Ferrari,N-Ausserer,P/Mureck 1998/CBM 65 ext/1-0 (30) 6. d3 Be7 7. Nge2 Nf6 8. O-O h6 Controls g5 9. Re1 e5 9... O-O 10. h3= 10. f4 10. Nd5!? Nxd5 11. exd5 10... d6= 11. Nd5 Qd8 12. Nxe7 Qxe7 13. Nc3 Nd4 14. f5 This push gains space 14. Nd5 Nxd5 15. exd5 h5 14... Bd7 15. a5 h5 15... Qd8!? should be examined more closely 16. Bg5 Bc6 17. Nb1 The knight intends Nc3-b1-a3-c4-b6 17... Qf8 18. c3 Nb5 19. Bxf6 19. Nd2 19... gxf6= 20. Na3 Nc7 21. d4 O-O-O 22. Nc4 Qg7 23. Nb6+ White plans d5. Menacing 23... Kb8 24. d5 White gets more space 24... Bb5 25. c4 Bd7 26. Ra3 Bc8 26... h4 27. Qd2 27. h3 27. b4 cxb4 28. Rb3 Qh6 27... Rdg8 27... Na8 28. Nxc8 Rxc8 29. Qa4 28. Kh2 28. Qa4 Qf8 28... Qg5 28... h4 29. g4 29. Rf3 29. h4 Qh6 30. Qb1 29... Ne8? 29... h4!? is worth consideration 30. g4 Na8 30. Ree3 Ng7 31. h4 Qh6 32. b4 cxb4 32... Rd8 33. Rb3 cxb4 34. Qe1 33. Qb3 33. c5 33... Ne8? 33... Rd8 34. Qxb4 34. Nxc8?! Kxc8 35. Qxb4 Qf8 34... Qf8 35. Rb3 Nc7 35... Qe7 is still a small chance 36. Rfc3 Bd7 36. Nd7+!! Theme: Double Attack 36. Nd7+ Ka8 37. Nxf8 Rxf8 38. Qxd6 1-0 [Fritz 8 (30s)]

B23: Closed Sicilian: Lines without g3

1. e4 c5 2. Nc3 e5 3. g3 Nc6 4. Bg2 Nge7 5. d3 g6 6. Nge2 Bg7 7. O-O O-O 8. Be3 d6 9. Qd2 Nd4 10. Nd5 10. Rae1 Be6 11. Nc1 Qd7 12. Nd1 b5 13. c3 Ndc6 14. a3 a5 15. Bh6 Rae8 16. Bxg7 Kxg7 17. f4 f5 18. Ne2 fxe4 19. Bxe4 Bh3 20. Bg2 Bxg2 21. Kxg2 Nd5 22. h3 exf4 23. Nxf4 Nxf4+ 24. Rxf4 Ne5 Bastian,H-Smejkal,J/Baden-Baden 1985/MCL/1/2-1/2 (52) 10. Rac1 Bg4 11. f3 Be6 12. Rf2 d5 13. Bh6 Qb6 14. Bxg7 Kxg7 15. b3 Qa5 16. a4 Nxe2+ 17. Rxe2 d4 18. Nb1 Qc7 19. f4 f6 20. Rf1 a6 21. Ref2 b5 22. axb5 axb5 23. fxe5 Qxe5 24. Qf4 Nc6 Lazarenko,P-Zablotsky,S/Tomsk 2001/CBM 83 ext/0-1 (46) 10... Nxe2+ 10... Nxd5 11. exd5 Nf5 12. c3 h5 13. f4 Nxe3 14. Qxe3 Bd7 15. fxe5 Bxe5 16. Rf2 Qb6 17. Nf4 Rae8 18. Qd2 Qd8 19. Raf1 Qg5 20. Nh3 Qxd2 21. Rxd2 b5 22. Nf2 f5 23. Nh3 Kg7 24. Nf4 h4 25. gxh4 Pfeiffer,P-Podzielny,K/Germany 1991/GER-chT/1/2-1/2 (42) 11. Qxe2 Nxd5 12. exd5 b5 13. h4 13. Qd2!?= 13... f5 14. f4 14. Bg5 Qe8 14... Bd7 14... exf4!? 15. Bxf4 Re8 15. c3= a5 16. Rad1 16. Qf2 b4 17. fxe5 Bxe5= 16... Re8 17. Qc2 Rc8 18. Qd2 exf4 19. Bxf4 Be5 20. d4 20. Bxe5 dxe5 21. Qe3 Qf6= 20... Bxf4 21. Qxf4 Qb6 22. Kh2 Re2 The idea is Re8-e2-e3-e4 23. Rf2 Rce8 24. Rd2 R2e3 25. Rf3 R3e4 The black rook is well posted. 26. Qg5 26. dxc5 dxc5 27. Qh6 Qd6= 26... Kg7 26... cxd4 27. cxd4 Rxd4 28. h5 27. Rdf2 27. dxc5 dxc5 28. Rdf2 Qd6 27... h6 27... cxd4!? 28. h5 dxc3 29. bxc3 Qd8 30. h6+ Kg8 31. Qxd8 Rxd8 28. Qd2 cxd4 29. Rd3 dxc3 30. Qxc3+ R4e5 31. Qd2 b4 32. Qf4 Bb5 33. Rdd2 R8e7 34. Rc2 Qe3 35. Qxe3 Rxe3 36. h5 36. Bf3 Kf6 36... gxh5 37. Rxf5?? the final mistake, not that it matters anymore 37. Bf3 37... Bd3 38. Rff2 38. Rcf2 cannot undo what has already been done 38... Bxf5 39. Rxf5 Re2 38... Bxc2 39. Rxc2 39. a3 cannot change destiny 39... b3 39... Re2 39... Re2 40. Rc6 Rxb2 0-1 [Fritz 8 (30s)]