What is the strongest continuation for Black?

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Analysis of bigpawn63 (1490) vs. john2001plus (1872)

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

(black to move) 1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bg5 h6 6. Bh4 g5 7. Bg3 Bd6 8. Ne5 c5 9. c3 cxd4 10. Bb5+ Nbd7 11. Nxd7 Bxd7 12. Bxd7+ Qxd7 13. Bxd6 Qxd6 14. Qxd4 Qe6+ 15. Kd1 Qg4+ 16. Kc2 Qf5+ 17. Kb3 O-O 18. Re1 Rfd8 19. Nd2 Rac8 20. Re5 Qg4 21. Qxa7 Qxg2 22. Rae1 d4 23. Qb6 Qxf2 24. Rf1 Qxd2 25. Qxf6 Rxc3+ 26. bxc3 Qxc3+ 27. Ka4 Ra8+ 28. Kb5 Ra5+ 29. Kb6 Ra6+ 30. Kxb7 Rxf6 31. Rxf6 d3 32. Re8+ Kg7 33. Rd6 Qb4+ 34. Kc7 Qc5+ 35. Kd7 Qa7+ 36. Kc8 Qa8+ 37. Kd7 Qa4+ 38. Ke7 Qa7+ 39. Kd8 d2 40. h4 Qb8+ 41. Kd7 Qxd6+ 42. Kxd6 d1=Q+

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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

White to play and mate in 4 moves.

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Analysis of john2001plus (1841) vs. Aravindhnath (1443)

8 7 6 5 4 3 2 1 a b c d e f g h +12

(white to move) 1. Nf3 Nc6 2. d4 d5 3. c4 e6 4. Nc3 Nf6 5. Bg5 Bb4 6. e3 Bd7 7. Bd3 h6 8. Bxf6 gxf6 9. O-O Qe7 10. cxd5 Bxc3 11. dxc6 Bxc6 12. bxc3 Rg8 13. e4 O-O-O 14. Rb1 Rg7 15. Qc2 Rdg8 16. g3 f5 17. Ne5 fxe4 18. Nxc6 bxc6 19. Bxe4 Qd6 20. Qa4 f5 21. Bxc6 Kd8 22. Rb8+ Ke7 23. Rxg8 Rxg8 24. Qb4 f4 25. Re1 fxg3 26. fxg3 h5 27. d5 Qxb4 28. cxb4 h4 29. Rxe6+ Kf7 30. Be8+ Kf8 31. Kg2 Rg5 32. Bc6 Rg4 33. Rf6+ Kg7 34. Rf4 Rg5 35. Rxh4 Re5 36. Kf2 Rf5+ 37. Ke2 Re5+ 38. Kd2 Rf5 39. Rg4+ Kh8 40. a4 Rf2+ 41. Kc3 Rxh2 42. Rh4+ Rxh4 43. gxh4 Kg7 44. b5 Kh6 45. a5 Kh5 46. d6 cxd6 47. b6 axb6 48. axb6 Kxh4 49. b7 Kg5 50. b8=Q Kf5 51. Qxd6 Kg5 52. Be4 Kg4 53. Qe5 Kh4 54. Qf4+ Kh5 55. Qg3 Kh6 56. Qg6#

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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.

ICC tourney 1350 (12 3), Internet Chess Club
Analysis of john2001plus (1605) vs. tangent (1931)

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

(white to move) 1. Nf3 g6 2. d4 Bg7 3. c4 f5 4. e4 fxe4 5. Ng5 c5 6. dxc5 Nf6 7. Nc3 Qa5 8. Bd2 Qxc5 9. Ngxe4 Qe5 10. Bd3 O-O 11. O-O Nc6 12. Re1 Qc7 13. Rc1 b6 14. Nd5 Qd8 15. Ndxf6+ exf6 16. Nd6 f5 17. c5 h5 18. Nxf5 gxf5 19. Bc4+ Rf7 20. Bxf7+ Kxf7 21. Qxh5+ Kf8 22. Bg5 Bf6 23. Bh6+ Bg7 24. Qxf5+ Kg8 25. Qg6 Qf6 26. Re8+ Qf8 27. Qxg7#

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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

What is the best move for White?

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Analyiss of John2001plus (1869) vs. E4ofHearts (1524)

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

(white to move) 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 d6 5. Bg5 O-O 6. e3 Nc6 7. d5 Nb4 8. Be2 c5 9. e4 Qa5 10. O-O Ng4 11. Bxe7 Re8 12. Bxd6 Na6 13. Qd2 Qd8 14. Bf4 Nc7 15. h3 Nf6 16. e5 Nd7 17. Qe3 Nxe5 18. Bxe5 Bxe5 19. Nxe5 f6 20. f4 Qe7 21. Rad1 Na6 22. d6 Qg7 23. Qd2 fxe5 24. d7 Bxd7 25. Qxd7 Re7 26. Ne4 Rxd7 27. Rxd7 Qh6 28. Nf6+ Kh8 29. fxe5 Rf8 30. e6 Nb8 31. Rxb7 Nc6 32. Kh2 g5 33. Ng4 Qg7 34. Rxg7 Kxg7 35. Rxf8 Kxf8 36. Nf6 h6 37. Nd5

[ 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