What is the strongest continuation for Black?

ICC tourney 1755 (12 3), Internet Chess Club
Analysis of lewisischess (1427) vs. john2001plus (1727)

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

(black to move) 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Be3 Nc6 7. dxc5 Ndxe5 8. Nxe5 Nxe5 9. Bd4 Nc6 10. Bb5 Bd7 11. Bxc6 Bxc6 12. O-O Qa5 13. Re1 Bxc5 14. Bxg7 Rg8 15. Rxe6+ fxe6 16. Qh5+ Kd7 17. Qf7+ Be7 18. Bf6 Qd8 19. Re1 Rxg2+ 20. Kf1 d4 21. Qxe6+ Kc7 22. Qxe7+ Qxe7 23. Rxe7+ Kd6 24. Ne4+ Bxe4 25. Rxe4 Rxh2 26. Rxd4+ Ke6 27. Bg5 Rc8 28. c3 Rc5 29. Be3 Rd5 30. Re4+ Kd7 31. Ke2 a6 32. Rg4 Rh1 33. Rg7+ Kc6 34. a4 h5 35. b4 Rd7 36. Rg6+ Rd6 37. Rg8 h4 38. a5 h3 39. Rc8+ Kd7 40. Rh8 Rg6 41. Rh7+ Kc6 42. Kd3 Rd6+ 43. Kc4 Rg6 44. Bd4 Rg4 45. Rh6+ Kd7 46. Rh7+ Kc8 47. Rh8+ Kd7 48. Rh7+ Ke6 49. Rxb7 Kf5 50. Rf7+ Kg6 51. Rf6+ Kg5 52. Rxa6 h2 53. Ra8 Rxd4+ 54. Kb5 Rh4 55. Rg8+ Kf6 56. Rc8 Ra1 57. Kb6 h1=Q

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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

What is the fastest path to victory?

ICC tourney 1755 (12 3), Internet Chess Club
Analysis of lewisischess (1427) vs. john2001plus (1727)

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

(black to move) 1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Be3 Nc6 7. dxc5 Ndxe5 8. Nxe5 Nxe5 9. Bd4 Nc6 10. Bb5 Bd7 11. Bxc6 Bxc6 12. O-O Qa5 13. Re1 Bxc5 14. Bxg7 Rg8 15. Rxe6+ fxe6 16. Qh5+ Kd7 17. Qf7+ Be7 18. Bf6 Qd8 19. Re1 Rxg2+ 20. Kf1 d4 21. Qxe6+ Kc7 22. Qxe7+ Qxe7 23. Rxe7+ Kd6 24. Ne4+ Bxe4 25. Rxe4 Rxh2 26. Rxd4+ Ke6 27. Bg5 Rc8 28. c3 Rc5 29. Be3 Rd5 30. Re4+ Kd7 31. Ke2 a6 32. Rg4 Rh1 33. Rg7+ Kc6 34. a4 h5 35. b4 Rd7 36. Rg6+ Rd6 37. Rg8 h4 38. a5 h3 39. Rc8+ Kd7 40. Rh8 Rg6 41. Rh7+ Kc6 42. Kd3 Rd6+ 43. Kc4 Rg6 44. Bd4 Rg4 45. Rh6+ Kd7 46. Rh7+ Kc8 47. Rh8+ Kd7 48. Rh7+ Ke6 49. Rxb7 Kf5 50. Rf7+ Kg6 51. Rf6+ Kg5 52. Rxa6 h2 53. Ra8 Rd1 54. Rg8+ Kf5 55. Rf8+ Ke6 56. Rf6+ Ke7 57. Rh6 h1=Q 58. Rxh1 Rxh1 59. a6 Kd6 60. Kb5 Ra1 61. Kb6 Rf4 62. b5 Rf7 63. Bc5+ Kd5 64. Bd4 Ra3 65. f4 Rxf4 66. Kc7 Rf7+ 67. Kb8 Rf8+ 68. Kb7 Rf7+ 69. Kc8 Kd6 70. a7 Ra2 71. Bb6 Rg2 72. Bd8 Rg8 73. a8=Q Rc7+

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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

Black to play and win

ICC tourney 1751 (12 3), Internet Chess Club
pawninthegrass (1528) vs. john2001plus (1727)

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

(black to move) 1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Bg5 Bc5 5. e3 c6 6. d4 exd4 7. exd4 Bd6 8. Ne2 O-O 9. O-O h6 10. Bf4 Bg4 11. f3 Bf5 12. g4 Bg6 13. Qd2 Re8 14. Nbc3 Qc7 15. Rae1 Nbd7 16. Bxd6 Qxd6 17. h3 b5 18. Nd1 Re7 19. Nf2 Rae8 20. c3 a5 21. Nd3 Bxd3 22. Qxd3 Re3 23. Qd2 Qe7 24. Kf2 Nh7 25. Ng3 Rxe1 26. Rxe1 Qxe1+ 27. Qxe1 Rxe1 28. Kxe1 g6 29. f4 Nhf6 30. Ke2 Kf8 31. Ke3 Ke7 32. g5 hxg5 33. fxg5 Nh7 34. h4 f6 35. gxf6+ Nhxf6 36. Kf4 Nh7 37. Bh3 Nb6 38. b3 Kf6 39. h5 Ng5 40. Bg4 gxh5 41. Nxh5+ Kg6 42. Ng3 Kf6 43. Bf5 Nf7 44. Nh5+ Ke7 45. Bg6 Nd6 46. Ng3 a4 47. Nf5+ Nxf5 48. Bxf5 Kd6 49. Kg5 axb3 50. axb3 c5 51. Bd3 c4 52. bxc4 dxc4 53. Be4 Na4 54. Kf4 Nxc3 55. Bf3 b4 56. Ke3 b3 57. Bh5 b2 58. Bg6 b1=Q 59. Bxb1 Nxb1

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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 and win

Casual 5+2, Greenwood Chess Club
Analysis of Coffey, John (2016) vs. Gusev, Dmitri (1865)

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

(white to move) 1. Nf3 Nc6 2. d4 e6 3. c4 d6 4. Nc3 Nf6 5. e4 e5 6. Bg5 h6 7. Bxf6 gxf6 8. Nd5 f5 9. Bd3 fxe4 10. Bxe4 f5 11. Nxe5 dxe5 12. Qh5+ Kd7 13. Qxf5+ Ke8 14. Qg6+ Kd7 15. Bf5#

[ 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

Mate in 5...

Casual 5+2, Greenwood Chess Club
Coffey, John (2016) vs. Gusev, Dmitri (1865)

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

(white to move) 1. Nf3 Nc6 2. d4 e6 3. c4 d6 4. Nc3 Nf6 5. e4 e5 6. Bg5 h6 7. Bxf6 gxf6 8. Nd5 f5 9. Bd3 fxe4 10. Bxe4 f5 11. Nxe5 Nxe5 12. dxe5 fxe4 13. Qh5+ Kd7 14. Qg4+ Kc6 15. Qxe4 dxe5 16. O-O-O Bd6 17. c5 Kxc5 18. Qc2+ Kb5 19. a4+ Ka5 20. Qc3+ Kxa4 21. b3+ Kb5 22. Qc4+ Ka5 23. Qa4#

[ 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

White to play

Corus Group C, Wijk aan Zee NED
Analysis of Magnus Carlsen (2484) vs. Sipke Ernst (2474)

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

(white to move) 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Ngf6 12. O-O-O Be7 13. Ne4 Qa5 14. Kb1 O-O 15. Nxf6+ Nxf6 16. Ne5 Rad8 17. Qe2 c5 18. Ng6 fxg6 19. Qxe6+ Kh8 20. hxg6 Ng8 21. Bxh6 gxh6 22. Rxh6+ Nxh6 23. Qxe7 Nf7 24. gxf7 Kg7 25. Rd3 Qb6 26. Rg3+ Qg6 27. Rxg6+ Kxg6 28. d5 Ra8 29. Qxb7

[ 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

White to play

Corus Group C, Wijk aan Zee NED
Analysis of Magnus Carlsen (2484) vs. Sipke Ernst (2474)

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

(white to move) 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bf4 Ngf6 12. O-O-O Be7 13. Ne4 Qa5 14. Kb1 O-O 15. Nxf6+ Nxf6 16. Ne5 Rad8 17. Qe2 c5 18. Ng6 fxg6 19. Qxe6+ Kh8 20. hxg6 Ng8 21. Bxh6 gxh6 22. Rxh6+ Nxh6 23. Qxe7 Nf7 24. gxf7 Kg7 25. Rd3 Rd6 26. Rg3+ Rg6 27. Qe5+ Kxf7 28. Qf5+ Ke7 29. Re3+ Kd6 30. Qxf8+ Kc7 31. Qf7+ Kc8 32. Re8+

[ 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