Black to play and win

Greenwood Chess Club, Kroger
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

What is the strongest line for Black?

Casual Game, https://itsyourturn.com
Analysis of Madrigal vs. John Coffey

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

(black to move) 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Bd2 Be7 7. Nc3 O-O 8. O-O c6 9. e4 d5 10. Ne5 dxc4 11. Nxc4 Qxd4 12. Ne3 Rd8 13. Bc1 Qxd1 14. Nexd1 Na6 15. a3 Nc5 16. Bg5 h6 17. Bf4 Ba6 18. e5 Nd5 19. Re1 Nd3 20. Nxd5 cxd5 21. Re3 g5

[ 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 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