What is the strongest move for Black?

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Analysis of Caissarius (1853) vs. soitgoes317 (1938)

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 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 O-O 9. O-O Na6 10. a3 Nc7 11. Bg5 a6 12. a4 h6 13. Be3 Re8 14. Qd2 Kh7 15. h3 Bd7 16. g4 b5 17. Bxh6 Bxh6 18. g5 Bxh3 19. Rfe1 c4 20. Bb1 Nh5 21. gxh6 Qh4 22. Qe3 Re5 23. Ng3 b4 24. Nce2 Nxd5 25. Qd4 Ndf4 26. Nxf4 Nxf4 27. Qxd6 Rg5 28. Re3 Be6 29. Rf3 Rd8 30. Qxd8 Rxg3+ 31. fxg3 Nh3+ 32. Kh2 Qxd8

[ 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

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

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

(black to move) 1. e4 e6 2. e5 d6 3. Qe2 dxe5 4. Qxe5 Nf6 5. h3 c5 6. d3 Nc6 7. Qg5 h6 8. Qf4 Bd6 9. Qe3 Nd4 10. Qd2 e5 11. c3 Bc7 12. b4 Ne6 13. c4 cxb4 14. Qb2 O-O 15. Be2 Nc5 16. Bd2 Nxd3+ 17. Bxd3 e4 18. Bxb4 Re8 19. Be2 e3 20. f3 Bg3+ 21. Kf1 Be6 22. Qc3 Rc8 23. Na3 Bf5 24. Rd1 Qb6 25. c5 Qc7 26. Nc2 Bxc2 27. Qxc2 a5 28. Ba3 Bh4 29. Bc4 Qg3 30. Qe2 Nh5 31. f4 Qxf4+ 32. Nf3 Bf2 33. g4 Ng3+

[ 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 and win

Greenwood Chess Club, Kroger
Analysis of Nate Bush vs. John Coffey

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

(black to move) 1. Nf3 d5 2. e4 dxe4 3. Ng5 Nf6 4. Nc3 Bf5 5. Qe2 Nc6 6. Ngxe4 Nd4 7. Qd3 Nxe4 8. Nxe4 Qd5 9. f3 O-O-O 10. c3 Nxf3+ 11. Qxf3 Qxe4+ 12. Be2 Qxf3 13. Bxf3 e5 14. O-O Bc5+ 15. Kh1 Bd3 16. Bg4+ Kb8 17. Rf3 f5 18. Bxf5 e4 19. Rg3 Rhf8 20. Rg5 e3 21. Bxd3 Rxd3 22. g3 e2 23. Re5 Re3 24. Rxe3 Bxe3

[ 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 and win

Casual Game, https://itsyourturn.com
Analysis of JUMPER 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. d4 d5 3. exd5 exd5 4. Nf3 Nf6 5. Be2 Bd6 6. O-O O-O 7. Bg5 h6 8. Bh4 g5 9. Bg3 Re8 10. Bxd6 Qxd6 11. Re1 Nc6 12. c3 Bf5 13. Nbd2 Ne7 14. Qb3 b6 15. Ne5 Ng6 16. Nxg6 Bxg6 17. Bf3 Ne4 18. Nxe4 dxe4 19. Be2 Kg7 20. h3 f5 21. Bf1 f4 22. a3 Re7 23. Qd1 Rd8 24. Qc1 Rde8 25. Bc4 e3 26. fxe3 Rxe3 27. Rxe3 Rxe3 28. Qd2 Qc6 29. Be2 Qe6 30. Bf3 Qe8 31. Kf2 Qe7 32. Re1 Rxe1 33. Qxe1 Qxe1+ 34. Kxe1 Kf6 35. Kd2 h5 36. Be2 Be4 37. Bf3 Bxf3 38. gxf3 g4 39. hxg4 hxg4 40. fxg4 Kg5 41. Ke2 Kxg4 42. Kf2 b5 43. b3 f3 44. c4 bxc4 45. bxc4 Kf4 46. d5 Ke4 47. a4 a5 48. Kf1 Kd4 49. Kf2 Kxc4 50. Kxf3 Kxd5

[ 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