Black to play for an advantage

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Analysis of SpeedyChess11 (1735) vs. john2001plus (1877)

1 2 3 4 5 6 7 8 h g f e d c b a -4

(black to move) 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Nc3 Nf5 9. Na4 Bb4+ 10. Kf1 Qd8 11. a3 Be7 12. g3 O-O 13. Kg2 Bd7 14. Nc3 Rc8 15. h4 f6 16. h5 fxe5 17. dxe5 h6 18. Bf4 Qb6 19. Nxd5 Qd8 20. Nc3 Ncd4 21. Nxd4 Nxd4 22. Bd3 Rxc3 23. bxc3 Bc6+ 24. Kh3 Bxh1 25. cxd4 Bc6 26. Bc2 Bg5 27. Bxg5 Qxg5 28. f4 Rxf4 29. gxf4 Qg2+ 30. Kh4 g5+ 31. hxg6 e.p. Qf2+ 32. Kg4 Bf3+ 33. Qxf3 h5+ 34. Kg5 Qxf3 35. Kf6 Qf2 36. d5 Qxf4+ 37. Kxe6 Qc4 38. Rc1 Kg7 39. Kd6 Qa6+ 40. Kc7 Qxa3 41. Rb1 Qc5+

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Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Click here for 28. Bg6.
Click here for 28. Qe2.
Click here for 36. Ra2.

What is the strongest continuation for Black?

ICC tourney 1421 (12 3), Internet Chess Club
Analysis of Taechess (1741) vs. john2001plus (1697)

1 2 3 4 5 6 7 8 h g f e d c b a +1

(black to move) 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nh6 8. Nc3 Nf5 9. Na4 Qa5+ 10. Kf1 Bd7 11. g3 Ncxd4 12. Nxd4 Bxa4 13. b3 Nxd4 14. Qxd4 Bc6 15. Be3 b6 16. Kg2 Bc5 17. Qf4 Bxe3 18. fxe3 d4+ 19. Bf3 Qd2+ 20. Kh3 Bxf3 21. Qxf3 O-O 22. exd4 Qxd4 23. Rhe1 Rac8 24. Rad1 Qc3 25. Qxc3 Rxc3 26. Rd7 a5 27. Rb7 Rc2 28. Rxb6 Rxa2 29. Re4 Ra8 30. Rb7 g6 31. Rf4 Rf8 32. Re4 h5 33. Ra4 Rb2 34. Rxa5 Rd8 35. Raa7 g5 36. Rxf7 Rdd2 37. Rg7+ Kf8 38. Raf7+ Ke8 39. Re7+ Kd8 40. g4 Rxb3#

[ Flip the board | Reset | Options… ] Play online chess

 

Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Click here for 33. g4.
Click here for 33. Kh4.
Click here for 35. g4.