B20: Sicilian: Unusual White 2nd moves

1. e4 c5 2. b4 cxb4 3. a3 e6 last book move 4. Nf3 Nf6 5. axb4 5. e5 Nd5= 5... Bxb4 5... Nxe4 6. c3 black is slightly better 6. c3 Ba5 6... Be7!? should be investigated more closely 7. e5 white is slightly better Nd5 8. Be2 Nc6 9. Ba3 White traps the enemy king in the center 9... f6 10. exf6 Qxf6 11. O-O Bc7 12. Qc2 Nf4 13. Bd1 b6 14. Bb2 14. g3 Ng6 black has a moderate advantage 14... Qg6 14... O-O!? 15. d4 d5 black has a decisive advantage 15. Qxg6+ Nxg6 16. Bc2 Nce5 17. Nxe5 Nxe5 Instead of 17... Bxe5 18. Re1 Bf6 19. Be4 white is slightly better 18. d4 Ng4 19. h3 Nf6 20. Nd2 Bb7 21. Nf3 21. c4!? 21... Bxf3 22. gxf3 O-O 22... a5 23. Rfb1 23. Rfe1 23. Ra6 Rfb8 black has a moderate advantage 23... Nd5 23... a5 24. c4 black has a decisive advantage 24. Be4 Rac8 24... better is b5!? 25. Ra6 Bb6 25. Bxd5= exd5 26. Kg2? 26. Rxa7 and White has air to breath 26... Rxf3 27. Kg2 black is slightly better 26... a5 27. Re7 d6 27... Rf7 28. Re2 28. Rae1 Bd8 28... g6!? black has a moderate advantage 29. Rd7 Rc6 30. Re6 Bf6 30... a4 31. Rdxd6 Rxd6 32. Rxd6 31. Rexd6= Rfc8 Attacking the backward pawn on c3 31... Rxd6!? 32. Rxd6 Ra8= 32. Rxd5 white is slightly better Re8 33. Rb7 Re2 33... Re7 34. Rdd7 Rxd7 35. Rxd7 Kf8 34. Rb5 better is 34. Rdd7!? Rce6 35. Rb8+ Re8 36. Rxe8+ (36. Rxb6?? Taking that pawn is naive 36... Bh4 37. Rd8 Rxf2+ 38. Kg1 Rxd8 black has a decisive advantage ) 36... Rxe8 37. Rb7 white has a moderate advantage 34... Bh4= 35. R5xb6 Rc4? 35... Rxb6 and Black can hope to survive 36. Rxb6 Rxf2+ 37. Kg1 Rxf3= 36. Ra6 Rxf2+ 37. Kg1 Rc8 38. Rxa5 better is 38. Raa7 Kh8 39. Rxa5 Rxf3 40. c4 white has a decisive advantage 38... g6?? cause more grief 38... Rxf3 39. Re5 Rxh3 39. Raa7 g5 39... Rxb2 is the last straw 40. Rxb2 Re8 40. Rg7+ Kf8 40... Kh8 does not improve anything 41. Rxh7+ Kg8 42. Rag7+ Kf8 43. Ba3+ Rc5 44. Bxc5+ Ke8 45. Rg8# 41. Ba3+ Ke8 41... Rc5 is not the saving move 42. Bxc5+ Ke8 43. Ra8# 42. Rg8# 1-0 [Fritz 8 (30s)]

B22: Sicilian: 2 c3

1. e4 c5 2. c3 Nc6 3. d4 cxd4 4. cxd4 e6 5. Nf3 last book move 5... Nf6 6. Nc3 Bb4 7. Bd3 Qc7 7... d5!? must be considered 8. e5 Ne4 white is slightly better 8. O-O Bxc3 9. bxc3 d5 10. e5 Nd7 11. Ba3 Nb6 12. Nd2 Ne7 12... better is f5 white has a moderate advantage 13. Qh5?? with this move White loses his initiative 13. Bd6 a shame that White overlooked this excellent chance 13... Qc6 14. Qb3 white has a decisive advantage 13... Qxc3= 14. Bxe7 Kxe7 14... Qxd3 would keep Black in the game 15. Qg5 Qg6= (15... Qxd4?? That pawn is poisoned 16. Bd6 Kd7 17. Rfc1) 15. Qg5+ white has a moderate advantage Kf8?? the final mistake, not that it matters anymore better is 15... Ke8 16. Qe3 Bd7 16. Qd8# 1-0 [Fritz 8 (30s)]

B56: Classical Sicilian: Unusual Lines

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Nb3 e6 last book move 7. Be2 a6 Covers b5 8. Be3 b5 9. Bf3 9. a3!? white is slightly better is worth looking at 9... Ne5 10. O-O Bb7 Black is behind in development. 11. a3 Rc8 12. Nd2 12. Bf4 Be7 black is slightly better 12... Be7 13. Be2 O-O 14. f4 Nc6 15. Nf3 15. Nb3 Na5 16. Nxa5 Qxa5= 15... Ng4 16. Qd2 Na5 16... Bf6 17. Qd3 17. Bd4 e5 18. Be3? better is 18. Bf2!? deserves consideration 18... d5! Clearance to allow e7-c5 19. exd5?? terrible, but the game is lost in any case 19. Qxd5 Bxd5 19... Nxe3 black has a decisive advantage Annihilates a defender: e3 19... Nxe3 20. fxe5 Nxf1 21. Rxf1 b4 22. axb4 Bxb4 0-1 [Fritz 8 (30s)]

C50: Hungarian Defence and Giuoco Pianissimo

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bc5 5. d3 O-O 6. Bg5 h6 7. Bh4 last book move 7... d6 8. Nd5 8. Qc1 white is slightly better 8... Bg4 8... better is g5 is a viable option 9. Bg3 Na5= 9. Nxf6+ gxf6 10. Qd2 10. h3!? Bh5 11. Qd2 white has a moderate advantage 10... Kh7 11. c3 Secures b4 11... a5 12. h3 Bxf3 13. gxf3 Nd4 14. Qd1 14. cxd4? is a blank shot 14... Bb4 15. Qxb4 axb4 16. dxe5 dxe5 black has a decisive advantage 14... Ne6 14... d5 15. cxd4 Bb4+ 16. Kf1 dxc4 17. dxc4 exd4 18. Qd3 white is slightly better 15. Bg3 15. Qc2 Ng5 16. Qe2 Qd7 white has a moderate advantage 15... Rg8 15... c6 16. Qc2 f5 17. O-O-O 16. h4 16. f4!? Qe8 17. Qf3 16... c6 Prevents intrusion on b5+d5 17. Qb3 Qd7 17... better is Qe7= 18. Ke2 18. O-O-O and White is still in the game 18... b5 19. Bxe6 fxe6 19... Qxe6?! 20. Qxe6 fxe6 21. f4= 20. Qc2 d5 20... f5!? black has a moderate advantage 21. exd5= exd5? 21... f5 is the best option Black has 22. dxc6 Qd5= 22. d4+ white has a decisive advantage e4 23. dxc5 Rg6 23... f5 24. Kd1 24. h5 Rg5 25. Rh4 25. fxe4!? and White can already relax 25... Qe6 25... f5 26. fxe4 fxe4 27. Qd2 Rf8 28. Rxe4?? a transit from better to worse. better is 28. Rg1 Rff5 29. Kd1 28... Qf5?? allows the opponent back into the game 28... Qf7 this is the best bet to save the position 29. Rf4 Qxh5+ 30. Kd3 Qg6+ 31. Ke2 Qh5+ 32. Kd3 Qg6+ 33. Ke2 Qh5+= 29. Re7+ Kg8 29... Rf7 doesn't get the cat off the tree 30. Rxf7+ Qxf7 31. Qd3+ Kg8 32. Re1 white has a decisive advantage 30. Qe3 Rxh5 31. Qe6+ Kh8 31... Qxe6+ the last chance for counterplay 32. Rxe6 Rc8 32. Be5+ Qxe5+ 33. Qxe5+ Rxe5+ 34. Rxe5 34. Rxe5 Kg7 35. Re7+ Kg6 36. Rg1+ Kf5 37. Rg3 1-0 [Fritz 8 (30s)]