Black to play and win

6th ENCI Limburg Open 2012, Limburg NED
Dijkhuis, Tycho (1968) vs. Hovhanisian, Mher (2492)

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

(black to move) 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 h6 7. Be3 c5 8. Qg4 Kf8 9. f4 cxd4 10. Bxd4 Nc6 11. Nf3 a6 12. O-O-O b5 13. Bd3 b4 14. Na4 Qa5 15. b3 Nxd4 16. Nxd4 h5 17. Qe2 Qc7 18. Rde1 Nc5 19. Nb2 g6 20. Reg1 a5 21. g4 Nxd3+ 22. Qxd3 Bc5 23. gxh5 Rxh5 24. Na4 Bxd4 25. Qxd4 Ba6 26. Qc5+ Qxc5 27. Nxc5 Rf5 28. Rg5 Rxf4 29. Rxg6 Rc8 30. Rxe6 Bb5 31. h5 Rxc5 32. h6 Bd3 33. Rf6 Rxc2+ 34. Kd1 Rd4 35. Rh3 Bf5+ 36. Ke1 Bxh3 37. e6 Bxe6 38. h7 Rh4

[ 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

What is the best continuation for Black?

Live Chess, Chess.com
Analysis of john2001plus (1834) vs. SBRChessClub (1894)

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

(black to move) 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 Bg4 5. Qb3 Bxf3 6. Qxb7 Nbd7 7. gxf3 Rb8 8. Qxc6 dxc4 9. Bxc4 e6 10. Nc3 Bb4 11. e4 O-O 12. Rg1 Qe7 13. e5 Bxc3+ 14. bxc3 Nh5 15. Bg5 Qe8 16. Qe4 Nb6 17. Bd3 g6 18. Bh6 Ng7 19. Qh4 Qd8 20. Bg5 Qc7 21. Kd2 Rfc8 22. Rac1 Nc4+ 23. Bxc4 Qxc4 24. Rc2 Nf5 25. Qe4 Rb6 26. Bf6 Rb2 27. Kc1 Rxc2+ 28. Qxc2 Nxd4 29. Qd2 Ne2+ 30. Kc2 Nxc3 31. Qd3 Qxa2+ 32. Kc1 Ne2+ 33. Kd1 Rc1#

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

 

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

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

What is the best defense for Black?

Itsyourturn.com, ?
Analysis of Coffey, John (2001) vs. Jumper (1700)

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

(black to move) 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 O-O 6. Rc1 c6 7. e3 h6 8. Bxf6 Bxf6 9. Bd3 Nd7 10. O-O e5 11. cxd5 exd4 12. Nxd4 cxd5 13. Nxd5 Bxd4 14. exd4 Nf6 15. Nc7 Rb8 16. Re1 a6 17. d5 Bg4 18. f3 Bh5 19. g4 Bg6 20. Bxg6 fxg6 21. Ne6 Qb6+ 22. Kg2 Rfc8 23. Rxc8+ Rxc8 24. d6 Rc6 25. d7 Nxd7 26. Qxd7 Rc2+ 27. Kg3 Qf2+ 28. Kf4 Rc4+ 29. Re4 Qxh2+ 30. Ke3 Qg1+ 31. Kf4 Qh2+

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

 

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

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

What is the strongest continuation for Black?

ICC tourney 1394 (12 3), Internet Chess Club
Analysis of weakfish (1372) vs. Sherlocked (1851)

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

(black to move) 1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Bb5 Qb6 8. Bxc6 bxc6 9. Ne2 Ba6 10. Nf3 cxd4 11. Nfxd4 Nc5 12. O-O Ne4 13. Re1 Be7 14. Qb3 Rc8 15. Be3 Nc5 16. Qc2 Qc7 17. Ng3 g6 18. Nge2 O-O 19. Qd2 Ne4 20. Qc2 c5 21. Nf3 Rb8 22. b3 Qa5 23. Bd2 Rfd8 24. c4 Nxd2 25. Nxd2 dxc4 26. Nxc4 Qc7 27. Ng3 Rd4 28. Ne2 Rd5 29. Nc3 Bxc4 30. bxc4 Rd4 31. Nb5 Qd7 32. Nxd4 cxd4 33. Red1 Bc5 34. Rd3 h5 35. Rb1 Rb6 36. Rxb6 axb6 37. h3 Kg7 38. a4 Qa7 39. Qb3 Qa5 40. Qb5 Qe1+ 41. Kh2 Qf1 42. Rf3 Qc1 43. Qb3 d3 44. Rxd3 Qxf4+ 45. Kh1 Qf1+ 46. Kh2 Bg1+ 47. Kg3 Qf2#

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

 

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

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight