What is the strongest continuation for Black?

Casual Game, https://itsyourturn.com
Miles C vs. John Coffey

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

(black to move) 1. e4 e6 2. e5 d6 3. exd6 Bxd6 4. Nf3 e5 5. Nc3 Nf6 6. d3 O-O 7. Bg5 Re8 8. Nd5 Nbd7 9. Be2 h6 10. Bxf6 Nxf6 11. Nxf6+ Qxf6 12. O-O Bf5 13. c3 Rad8 14. Ne1 e4 15. d4 c5 16. Nc2 Qg5 17. Ne3 cxd4 18. Nxf5 Qxf5 19. cxd4 Bc5 20. Qb3 Bxd4 21. Qxb7 Bc5 22. Qb5 Re5

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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

White to play

itsyourturn.com
John Coffey (2000) vs. David, Daily

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

(white to move) 1. Nf3 e6 2. d4 f5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. c4 h6 7. Nc3 a6 8. Qc2 c6 9. c5 Nd5 10. e4 fxe4 11. Nxe4 Nb4 12. Qe2 d5 13. cxd6 e.p. Bxd6 14. Ne5 Nd5 15. Qg4 Kh8 16. Bg5 hxg5 17. Nxg5 Kg8 18. Be4 Nf6 19. Qh4 g6 20. Bxg6 Qc7 21. Bf7+ Kg7 22. Nxe6+

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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 the continuation!

What is the best continuation for Black?

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AJJMJPE (1681) vs. john2001plus (1872)

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

(white to move) 1. c4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qd1 Nf6 5. Nc3 Bc5 6. Nf3 O-O 7. Bg5 h6 8. Bh4 g5 9. Nxg5 hxg5 10. Bxg5 Kg7 11. Nd5 Bb4+ 12. Nc3 d6 13. a3 Bxc3+ 14. bxc3 Bf5 15. f3 Re8 16. e4 Nxe4 17. Bxd8 Nxc3+ 18. Kd2 Nxd1 19. Bxc7 Nb2 20. Kc3 Na4+ 21. Kb3 Nc5+ 22. Kb2 Re3 23. g4 Bg6 24. Bxd6 Na4+ 25. Ka2 Rae8 26. Rc1 Nd4 27. Bd3 Re2+ 28. Bxe2 Rxe2+ 29. Rc2 Rxc2+ 30. Ka1 Nb3+ 31. Kb1 Nc3#

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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 27. Ka1.

What is the best continuation for White?

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Analysis of john2001plus (1870) vs. bigpawn63 (1521)

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

(white to move) 1. Nf3 d6 2. e4 e5 3. d4 exd4 4. Nxd4 Be7 5. Nc3 Nf6 6. Bc4 O-O 7. O-O Nbd7 8. f4 Nb6 9. Bb3 c5 10. Nde2 c4 11. Ba4 d5 12. Be3

[ 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

Black to play for a strong advantage

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Analysis of KingsBishop (1626) vs. john2001plus (1840)

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

(black to move) 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. Bxc3 Ne4 8. Nf3 O-O 9. Bd3 Nxc3 10. bxc3 c5 11. O-O Nc6 12. a3 Qa5 13. Qe1 c4 14. Be2 Qa4 15. Qb1 b5 16. Nd2 Qa5 17. Qb2 Qb6 18. a4 bxa4 19. Rfb1 Qa5 20. Nf1 Rb8 21. Qa3 Rxb1 22. Rxb1 a6 23. Ra1 Na7 24. Qb4 Qxb4 25. cxb4 Bd7 26. c3 Nb5 27. Rc1 Ra8

[ 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

Black to play for a strong advantage

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Analysis of KingsBishop (1626) vs. john2001plus (1840)

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

(black to move) 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. Bxc3 Ne4 8. Nf3 O-O 9. Bd3 Nxc3 10. bxc3 c5 11. O-O Nc6 12. a3 Qa5 13. Qe1 c4 14. Be2 Qa4 15. Qb1 b5 16. Nd2 Qa5 17. Qb2 Qb6 18. a4 b4 19. Nf3 bxc3 20. Qxb6 axb6 21. Rfb1 Bd7 22. Rxb6 Rfb8 23. Rxb8+ Nxb8 24. a5 Nc6 25. Bd1 Rxa5 CHECK!

[ 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

Black to play for a strong advantage

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Analysis of KingsBishop (1626) vs. john2001plus (1840)

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

(black to move) 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. Bxc3 Ne4 8. Nf3 O-O 9. Bd3 Nxc3 10. bxc3 c5 11. O-O Nc6 12. a3 Qa5 13. Qe1 c4 14. Be2 Qa4 15. Qb1 b5 16. Nd2 Qa5 17. Qb2 Qb6 18. a4 b4 19. Nf3 bxc3 20. Qxb6 axb6 21. Rfb1 Bd7 22. Rxb6 Rfb8 23. Rxb8+ Rxb8 24. a5 Ra8 25. h3 Rxa5 26. Rxa5 Nxa5 27. Kf1 Nc6 28. Bd1 f6 29. exf6 gxf6 30. Ke2 Kf7 31. Ke3 e5

[ 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