What is the strongest continuation for Black?

ICC tourney 1394 (12 3), Internet Chess Club
Analysis of tangent (1911) vs. john2001plus (1734)

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

(black to move) 1. d4 Nf6 2. g4 d5 3. h3 c5 4. dxc5 e6 5. Be3 Nbd7 6. Bg2 Bxc5 7. Bxc5 Nxc5 8. Qd4 Qc7 9. Nc3 O-O 10. g5 e5 11. Qh4 Qb6 12. O-O-O d4 13. gxf6 dxc3 14. bxc3 Qxf6 15. Qxf6 gxf6 16. Bd5 Be6 17. Nf3 Bxd5 18. Rxd5 Ne4 19. Rg1+ Kh8 20. Rd7 Nxc3 21. Kd2 Ne4+ 22. Ke3 Nc5 23. Rd6 Ne6 24. Ke4 Rg8 25. Rxg8+ Rxg8 26. Kf5 Rg6 27. Rd7 Kg7 28. Rxb7 e4 29. Nh4 Rg5+ 30. Kxe4 Nc5+

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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 draw

ICC tourney 1394 (12 3), Internet Chess Club
Analysis of tangent (1911) vs. john2001plus (1734)

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

(white to move) 1. d4 Nf6 2. g4 d5 3. h3 c5 4. dxc5 e6 5. Be3 Nbd7 6. Bg2 Bxc5 7. Bxc5 Nxc5 8. Qd4 Qc7 9. Nc3 O-O 10. g5 e5 11. Qh4 Qb6 12. O-O-O d4 13. gxf6 dxc3 14. bxc3 Qxf6 15. Qxf6 gxf6 16. Bd5 Be6 17. Nf3 Bxd5 18. Rxd5 Ne4 19. Rg1+ Kh8 20. Rd7 Nxc3 21. Kd2 Ne4+ 22. Ke3 Nc5 23. Rd6 Ne6 24. Ke4 Rg8 25. Rxg8+ Rxg8 26. Kf5 Rg6 27. Rd7 Ng7+ 28. Ke4 f5+ 29. Kxe5 Re6+ 30. Kf4 Rxe2 31. Ne5 Ne6+ 32. Kxf5 Rxf2+ 33. Kg4 Rxc2 34. Nxf7+ Kg7 35. Nd8+ Kf6 36. Nxb7 Rg2+ 37. Kf3 Rxa2 38. Ke3 Ra3+ 39. Kd2 Rxh3 40. Rd6 Ke5 41. Ra6 Rh2+ 42. Ke3 Rh3+ 43. Kf2 h5 44. Ra5+ Ke4 45. Ra4+ Nd4 46. Nc5+ Kd5 47. Nd7 Rh2+ 48. Kg3 Rh1 49. Rxa7 h4+ 50. Kg2 Rb1 51. Ra5+ Ke4 52. Nf6+ Kd3 53. Rh5 Rb2+ 54. Kh3 Nf3 55. Kg4 Ke3 56. Nd5+ Ke4 57. Nf6+ Ke3 58. Rf5 Rb4+ 59. Kh3 Rb1 60. Nd5+ Ke4 61. Ne7 Rh1+ 62. Kg2 Rg1+ 63. Kf2 h3 64. Rh5 Rg2+ 65. Kf1 Nd2+ 66. Ke1 h2 67. Rh4+ Kf3 68. Nf5 Ne4 69. Nd4+ Kg3 70. Nf5+ Kf3 71. Nd4+ Ke3 72. Nf5+ Kd3 73. Rh3+ Ng3 74. Nxg3 Rxg3 75. Rxh2

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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 continuation for Black?

Live Chess, Chess.com
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 d4 22. c4 Ra8 23. Qb6 Nd7 24. Ne4 Qf4 25. Qxh6 Qxe5

[ 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 mate in 5 moves.

Live Chess, Chess.com
Analysis of bigpawn63 (1490) vs. john2001plus (1872)

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

(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 Qc4+ 28. Ka5 b6+ 29. Qxb6 Ra8+ 30. Qa7 Rxa7+ 31. Kb6 Qc7+ 32. Kb5 Ra5+ 33. Kb4 Qc3#

[ 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 draw.

Quick Tournament, Salt Lake City
Coffey, John (1940) vs. Balter, Ben (1443)

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

(black to move) 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. e3 Nc6 6. Bd3 Bxd2+ 7. Nbxd2 O-O 8. O-O e5 9. dxe5 Nxe5 10. Nxe5 Qxe5 11. Qc2 d6 12. Nf3 Qh5 13. Rac1 Bg4 14. Nd4 g6 15. Qb3 c5 16. Nb5 Bf3 17. gxf3 Ng4 18. fxg4 Qxg4+ 19. Kh1 Qf3+ 20. Kg1 Qg4+ 21. Kh1 Qf3+

[ 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 and mate in 3 moves.

Live Chess, Chess.com
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. Bf3 Kf5 53. Kd4 Kg5 54. Qe6 Kf4 55. Qg4#

[ 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

White to play and win.

ICC 30 0 u, Internet Chess Club
john2001plus (1868) vs. fiddler (1804)

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

(white to move) 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd7 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bd3 Bb4+ 10. Nd2 Nf6 11. O-O c6 12. Nf3 Bg4 13. Qb3 Bxf3 14. Qxb4 Be4 15. Bxe4 Nxe4 16. Qxb7 Qb6 17. Qxb6 axb6 18. Bc7 Rfc8 19. Bxb6 Rab8 20. Ba5 Rxb2 21. f3 Nd2 22. Rf2 Nc4 23. Rxb2 Nxb2 24. Kf2 f5 25. Ke2 Nc4 26. Bd2 Rb8 27. Kd3 Rb2 28. Bc3 Rxg2 29. a4 Rxh2 30. a5 Nxa5 31. Bxa5 Rf2 32. f4 h5 33. Rg1 Kh7 34. Rc1 Ra2 35. Bb6 Ra3+ 36. Ke2 g6 37. Rxc6 h4 38. Bd8 h3 39. Rc7+ Kh6 40. Bg5+ Kh5 41. Kf3 h2 42. Rh7#

[ 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 4

ICC tourney 1386 (12 3), Internet Chess Club
Analysis of tangent (1913) vs. CadiZKilleR (1568)

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

(white to move) 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. Nge2 Bg7 10. h3 O-O 11. Kg1 Nbd7 12. Kh2 Qa5 13. Rb1 Rfb8 14. Rf1 Ne8 15. Bg5 Ndf6 16. f4 Nc7 17. e5 dxe5 18. fxe5 Nd7 19. e6 fxe6 20. dxe6 Nf6 21. Nf4 Ra6 22. Qe2 Rbb6 23. Bxf6 Bxf6 24. Ncd5 Nxd5 25. Nxd5 Rxe6 26. Qc4 Qxa2 27. Qxc5 Re5 28. Qc8+ Kg7 29. Nc7 Rb6 30. Ne8+ Kf7 31. Qc7 Ree6 32. Nxf6 Rxf6 33. Rbe1 Rxf1 34. Rxe7+ Kg8 35. Rg7+ Kh8 36. Rxh7+ Kg8 37. Qg7#

[ 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 best continuation for White?

ICC tourney 1386 (12 3), Internet Chess Club
Analysis of tangent (1921) vs. john2001plus (1716)

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

(white to move) 1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 b5 5. Bg2 Bb7 6. e4 bxc4 7. Nc3 exd5 8. exd5 d6 9. Nf3 Nbd7 10. O-O Be7 11. Nd2 Nb6 12. Nxc4 Nxc4 13. Qa4+ Qd7 14. Qxc4 a5 15. Re1 Ba6 16. Qa4 Ra7 17. Bf4 O-O 18. Qxd7 Rxd7 19. Rxe7 Rxe7 20. Bxd6 Rd7 21. Bxf8 Kxf8 22. Na4 Rc7 23. d6 Rc8 24. Rc1 c4 25. Bf1 Rd8 26. Bxc4 Bxc4 27. Rxc4 Rxd6 28. Rc5 Ra6 29. Kf1 Ne4 30. Rb5 g6 31. Ke2 f5 32. Rb7 h5 33. f3 Nd6 34. Rc7 Nb5 35. Rc5 Nd4+ 36. Ke3 Ne6 37. Rb5 Nc7 38. Re5 Kf7 39. Kd3 Kf6 40. f4 Ne6 41. Kc4 g5 42. Kb5 Nc7+ 43. Kc4 gxf4 44. gxf4 Ne6 45. Nc5 Rc6 46. Kb5 Nd4+ 47. Kxa5 Rc8 48. Rd5 Ne2 49. Nd3 Ra8+ 50. Kb6 Rxa2 51. Ra5 Nxf4 52. Rxa2 Nxd3 53. Kb5 f4 54. Kc4

[ 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 best continuation for White?

ICC 30 0 u, Internet Chess Club
Analysis of fiddler (1762) vs. john2001plus (1868)

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

(white to move) 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 O-O 7. O-O d5 8. cxd5 Nxd5 9. Nxd5 exd5 10. Bf4 Nd7 11. Rc1 c5 12. Ne5 Nxe5 13. Bxe5 Qd7 14. dxc5 bxc5 15. Qb3 c4 16. Qc3 f6 17. Bd4 a5 18. a3 a4 19. Rfe1 Bd8 20. Qf3 Re8 21. Red1 Bc7 22. h4 Be5 23. e3 Qb5 24. Qe2 Bc6 25. Qd2 Rab8 26. Rc2 Red8 27. Qc3 Bc7 28. Qd2 Ba5 29. Qe2 Qb3 30. Rdc1 Be8 31. h5 Bf7 32. Qg4 Qb7 33. Bxf6 Bxh5 34. Qxh5 gxf6 35. Rxc4

[ 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

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 0

(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 Qb8 15. Nexf6+ exf6 16. Bf4 Ne5 17. Ne7+ Kf7 18. Nxc8 Rxc8 19. Be4 d6 20. Bd5+ Kf8 21. Bxa8 Qxa8 22. Qxd6+

[ 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

ICC tourney 1543 (12 3), Internet Chess Club
IAlwaysWin (1732) vs. john2001plus (1731)

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

(black to move) 1. Nf3 Nf6 2. e3 e6 3. b3 b6 4. Bb2 Bb7 5. c4 c5 6. Be2 Nc6 7. O-O Be7 8. Nc3 O-O 9. d3 d5 10. Rc1 d4 11. exd4 cxd4 12. Nb5 e5 13. Nd2 a6 14. Na3 Nd7 15. Bf3 Nc5 16. Qe2 Nb4 17. Bxb7 Nxb7 18. Nf3 Nxa2 19. Ra1 Nc3 20. Bxc3 dxc3 21. Nxe5 Bxa3 22. Rxa3 Qd6 23. Raa1 Rfe8 24. f4 f6 25. Qf3 Nc5 26. Nc6 Nxb3 27. Rae1 Nd2 28. Ne7+ Kf8 29. Qh5 Nxf1 30. Qxh7 Qd4+ 31. Kh1 Rxe7 32. Qh8+ Kf7 33. Qh5+ Kg8 34. Rxe7 Rf8 35. Qg6 f5 36. Qe6+ Kh7 37. Qe1 Qxf4 38. Kg1 c2 39. Qc3 Qxh2+ 40. Kxf1 c1=Q+ 41. Qxc1 Qh1+

[ 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 and win.

Black to play and win.

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

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

(black to move) 1. e4 e6 2. e5 d6 3. exd6 Bxd6 4. Nf3 e5 5. h3 e4 6. Nd4 Nf6 7. Bc4 O-O 8. O-O a6 9. Nc3 b5 10. Bb3 c5 11. Ndxb5 axb5 12. Nxb5 Ba6 13. c4 Bxb5 14. cxb5 Nbd7 15. a4 Ne5 16. Qe2 Bc7 17. Bc2 Qd6 18. g3 Nf3+ 19. Kg2 Rfe8 20. Qe3 Nh4+ 21. Kh2 Nf5 22. Qg5 Re5 23. Qf4 Nd4 24. Bd1 Nd5 25. Qg4 f5 26. Qg5 f4 27. Qg4 h5 28. Qh4 Bd8

[ 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