Black to play for mate.

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Analysis of SpeedyChess11 (1735) vs. john2001plus (1877)

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

(black to move) 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Be2 cxd4 7. cxd4 Nge7 8. Nc3 Nf5 9. Na4 Bb4+ 10. Kf1 Qd8 11. a3 Be7 12. g3 O-O 13. Kg2 Bd7 14. Nc3 Rc8 15. h4 f6 16. h5 fxe5 17. dxe5 h6 18. Bf4 Qb6 19. Nxd5 Qd8 20. Nc3 Ncd4 21. Nxd4 Nxd4 22. Bd3 Rxc3 23. bxc3 Bc6+ 24. Kh3 Bxh1 25. cxd4 Bc6 26. Bc2 Bg5 27. Qg4 Qxd4 28. Qxe6+ Rf7 29. Rd1 Qxf2 30. Rd5 Qf1+ 31. Kh2 Qe2+ 32. Kg1 Qxc2 33. Qg6 Qc4 34. Rd6 Qc5+ 35. Kf1 Qc1+ 36. Kf2 Rxf4+ 37. gxf4 Qxf4+ 38. Ke2 Bb5+ 39. Rd3 Qe3+ 40. Kd1 Ba4+ 41. Rb3 Qd2#

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Options:
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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

What is the best continuation for White?

ICC tourney 1425 (12 3), Internet Chess Club
Analysis of john2001plus (1702) vs. BotanicalKnight (1500)

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

(white to move) 1. Nf3 f5 2. e4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Bc4 e6 6. Qe2 Qe7 7. O-O Nc6 8. Re1 Bd7 9. d4 O-O-O 10. Bg5 Nf6 11. d5 exd5 12. Nxd5 Qc5 13. Nxf6 gxf6 14. Bxf6 Re8 15. Qxe8+ Bxe8 16. Rxe8+ Kd7 17. Bf7 Bg7 18. Rd1+ Nd4 19. Rxd4+ Kc6 20. Re6+ Kb5 21. Bxg7 Qxc2 22. Rd5+ Kc4 23. Bxh8 c6 24. Rxc6+ bxc6 25. Rd2+

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Options:
	- allow legal moves only;
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movement/animation speed: (slow) (fast)
	- show legal moves;

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Click here for 20. Bxg7.
Click here for 23... Qc1+.

What is the strongest continuation for White?

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Analysis of john2001plus (1864) vs. panchess2000 (1439)

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 c5 4. e3 cxd4 5. exd4 Bg7 6. Nc3 O-O 7. Bg5 d5 8. Bxf6 Bxf6 9. Nxd5 Bg7 10. Bd3 e6 11. Nc3 Bxd4 12. Nxd4 Qxd4 13. O-O Qd8 14. Qf3 Nc6 15. Rad1 Qe7 16. Rfe1 Bd7 17. Nd5 Qd8 18. Nf6+ Kg7 19. Nxd7 Qxd7 20. Bxg6 Qe7 21. Bxh7 f5 22. Re3 Rf6 23. Red3 Rf7 24. Qh5 Rh8 25. Qg6+ Kf8 26. Rd7 Qf6 27. Qxf6 Rxf6 28. Rc7 Rf7 29. Rc8+ Kg7 30. Rxh8 Kxh8 31. Bg6 Rg7 32. Be8

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Options:
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	- use short algebraic notation;
movement/animation speed: (slow) (fast)
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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

White to play and draw

ICC tourney 1414 (12 3), Internet Chess Club
Analysis of john2001plus (1744) vs. CL123789 (1488)

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 O-O 5. Bg5 h6 6. Bd2 d6 7. Qc2 c5 8. e3 cxd4 9. exd4 Nc6 10. d5 Bf5 11. Qb3 Na5 12. Qb4 b6 13. Nd4 Bd7 14. Bd3 Rc8 15. Rc1 Nb7 16. O-O Nc5 17. Bb1 h5 18. Rfe1 Ng4 19. Nf3 a5 20. Qa3 Qc7 21. Nb5 Bxb5 22. cxb5 Qb7 23. Bc3 Nf6 24. Nd4 Nxd5 25. Nc6 Nxc3 26. Nxe7+ Kh8 27. Rxc3 Bxc3 28. Qxc3+ Kh7 29. Nxc8 Qxc8 30. Qf6 Ne6 31. Bxg6+ fxg6 32. Qxe6 Qxe6 33. Rxe6 Rc8 34. g3 Rc5 35. Rxd6 Rxb5 36. Rd2 Kg7 37. f4 Kf6 38. Kf2 g5 39. Ke3 gxf4+ 40. gxf4 Kf5 41. b3 h4 42. h3 Rc5 43. Rd3 b5 44. Kf3 b4 45. Ke3 Rb5 46. Rd8 Rc5 47. Rf8+ Kg6 48. Rh8 Rc3+ 49. Ke4 Rxh3 50. f5+ Kf7 51. Rh7+ Kg8 52. Ra7 Rh1 53. Ke5 h3 54. Ra8+ Kh7 55. Ra7+ Kh6 56. Ra6+ Kh5 57. Kf4 h2 58. Kg3 Kg5 59. Kg2 Ra1 60. Kxh2 Rxa2+ 61. Kg3 Kxf5 62. Kf3 Ra3 63. Ke2 Rxb3 64. Rxa5+ Ke4 65. Kd2 Rb2+ 66. Kc1 Rf2 67. Rh5 Kd3 68. Rh3+ Kc4 69. Kb1 b3 70. Rh8 Kc3 71. Rc8+ Kb4 72. Rb8+ Ka3 73. Ra8+ Kb4 74. Rb8+

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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

Click here for 54. Kf4?
Click here for 56... Kg5.
Click here for 61. Kg1??
Click here for 67. Ra4.

White to play

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Analysis of calculationmaestro (1988) vs. john2001plus (1778)

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

(white to move) 1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nf6 5. e5 Nfd7 6. Ngf3 Nc6 7. Bd3 cxd4 8. cxd4 Qb6 9. O-O Nxd4 10. Nxd4 Qxd4 11. Nf3 Qb6 12. Qa4 Be7 13. a3 O-O 14. Bg5 Bxg5 15. Bxh7+ Kxh7 16. Nxg5+ Kg8 17. Qh4 Re8 18. Rae1 Nf8 19. Re3 Ng6 20. Qh7+ Kf8 21. h4 Qc7 22. Rfe1 Ne7 23. Rc3 Qd7 24. Qh8+ Ng8 25. Rec1 f6 26. Rf3 f5 27. Rg3 a6 28. Nh7+ Ke7 29. Rxg7+ Kd8 30. Ng5 Qa4 31. Nf7+ Kd7 32. Nd6+ Re7 33. Rxe7+ Kd8 34. Qxg8+ Kxe7 35. Qg7+ Kd8 36. Qc7#

[ 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

Click here for 23... Nc6
Click here for 27... g6