What is the best plan for Black?

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WilliamRDavis (1665) vs. john2001plus (1737), 900+10

1 2 3 4 5 6 7 8 h g f e d c b a 0

(black to move) 1. d4 Nf6 2. Nf3 e6 3. Nbd2 d5 4. e3 c5 5. c3 Be7 6. Bd3 O-O 7. O-O Nc6 8. dxc5 Bxc5 9. e4 Qc7 10. exd5 exd5 11. Nb3 Bb6 12. Bg5 Ne4 13. Bh4 Bg4 14. h3 Bh5 15. g4 Bg6 16. Kg2 Rae8 17. Rc1 Qf4 18. Nbd4 Bxd4 19. Nxd4 Nxd4 20. cxd4 Nd2 21. Bg3 Qh6 22. Bxg6 Nxf1 23. Bd6 Qxg6 24. Bxf8 Qe4+ 25. Kg1 Ne3 26. fxe3 Qxe3+ 27. Kg2 Kxf8

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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 21. Bxg6
Click here for 21. Bxg6

Black to play

ICC tourney 1174 (12 3), Internet Chess Club
Analysis of PITCHUS (1874) vs. yoshi (1689)

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

(black to move) 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. c4 c5 5. O-O Nc6 6. cxd5 exd5 7. d4 Bd6 8. Nc3 cxd4 9. Nxd4 Be5 10. Nb3 d4 11. Nb5 O-O 12. Bxc6 bxc6 13. Nb5xd4 Bh3 14. Re1 Qb6 15. Nf3 Ng4 16. e3 Bf6 17. Nbd4 Rfd8 18. Qc2 c5 19. Ne2 g5 20. Rb1 Qc6 21. Qf5 Ne5 22. Qxh3 Nxf3+ 23. Kf1 Nxe1 24. Ng1 Nf3 25. Nxf3 Qxf3 26. Bd2 Rxd2 27. Kg1 Qxf2+ 28. Kh1 Qf3+ 29. Kg1 Qxe3+ 30. Kh1 Qf3+ 31. Kg1 Bd4#

[ 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

Click here for 24. e4

White to play and win.

Itsyourturn.com, ?
Anlysis of Coffey, John vs. ABM, 900+10

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

(white to move) 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 a6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bd7 8. Bd3 Be7 9. O-O O-O 10. a4 c5 11. d5 exd5 12. exd5 h6 13. Ne5 Bf6 14. Re1 Re8 15. Bf4 Bxe5 16. Bxe5 Qc8 17. Qf3 f6 18. Bd6 c4 19. Bg6 Rxe1+ 20. Rxe1 Bxa4 21. Qh5 Kh8 22. Re7 Qg8 23. Bf4 Qf8 24. Bxh6 Kg8 25. Bf7+ Qxf7 26. Qxf7+

[ 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

Click here for 23... Qd8
Click here for 24... gxh6

Black to play

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Game Analysis vs. ?

1 2 3 4 5 6 7 8 h g f e d c b a 0

(black to move) 1. d4 Nf6 2. c4 e6 3. c5 b6 4. Qc2 bxc5 5. dxc5 Na6 6. c6 Nb4 7. cxd7+ Bxd7 8. Qd1 Bc6 9. f3 Qxd1+ 10. Kxd1 O-O-O+ 11. Bd2 Bc5 12. Kc1 Nfd5 13. Nc3 Ne3 14. Nh3 Rxd2 15. Kxd2 Nc4+ 16. Kc1 Be3+ 17. Kb1 Nd2+ 18. Kc1 Nxf3+ 19. Kb1 Nd2+ 20. Kc1 Nb3+ 21. Kb1 Rd8 22. axb3 Be4+ 23. Nxe4 Rd1#

[ 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

Click here for 16. Ke1.