White to play and win.

ICC tourney 1264 (12 3), Internet Chess Club
yoshi (1602) vs. BIRDSMAN (1097)

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

(white to move) 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. e3 Be7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 c5 10. dxc5 Bxc5 11. e5 Nd5 12. O-O Bb7 13. Ne4 Be7 14. a4 b4 15. Bg5 Bxg5 16. Nfxg5 Nf4 17. Nd6+ Ke7 18. Ngxf7 Qb6 19. Nxh8 Bxg2 20. Nc8+

[ 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 move for White?

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Analysis vs. King's Indian

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

(white to move) 1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. e4 Bg7 5. Be2 O-O 6. h4 c5 7. d5 a6 8. a4 e6 9. h5 exd5 10. hxg6 d4 11. gxh7+ Kh8 12. Nd5 Nxe4 13. Nf3 Bg4 14. Nh4 Re8 15. Nf4 Qf6 16. f3 Ng3 17. fxg4 Nxh1 18. g5 Qd8 19. Qd3 Be5 20. Nhg6+ fxg6 21. Nxg6+ Kg7 22. Qh3 Bg3+ 23. Kf1 Kxg6 24. Qh6+ Kf5 25. Bg4+ Ke5 26. Qg7+ Ke4 27. Qg6+ Ke5 28. Qf5#

[ 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

Live Chess, Chess.com
Analysis of Coupra (1958) vs. John2001plus (1795)

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

(white to move) 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. Bd2 Bxc3 7. bxc3 Ne4 8. e3 O-O 9. Bd3 f5 10. O-O d6 11. a4 a5 12. Rab1 Nd7 13. Qb3 Nxd2 14. Nxd2 Qg5 15. g3 e5 16. d5 Nc5 17. Qc2 e4 18. Be2 Bc8 19. Rfd1 Bd7 20. Ra1 Rae8 21. Nb3 Bxa4 22. Rxa4 Nxa4 23. Nd4 Nc5 24. Bf1 f4 25. exf4 Rxf4 26. Bg2 Rff8 27. Re1 a4 28. Bxe4 Nxe4 29. Rxe4 Rxe4 30. Qxe4 Qc1+ 31. Kg2 Qxc3 32. Qe6+ Kh8 33. Qe7 Rg8 34. Ne6 a3 35. Ng5 h6 36. Nf7+ Kh7 37. Qe4+ g6 38. Qh4 Qd2 39. Qe7 h5 40. Ng5+ Kh6 41. h4 Rg7 42. Qf8 a2 43. Qh8+

[ 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 2 moves.

Live Chess, Chess.com
Coupra (1958) vs. John2001plus (1795)

8 7 6 5 4 3 2 1 a b c d e f g h -9

(black to move) 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. Bd2 Bxc3 7. bxc3 Ne4 8. e3 O-O 9. Bd3 f5 10. O-O d6 11. a4 a5 12. Rab1 Nd7 13. Qb3 Nxd2 14. Nxd2 Qg5 15. g3 e5 16. d5 Nc5 17. Qc2 e4 18. Be2 Bc8 19. Rfd1 Bd7 20. Ra1 Rae8 21. Nb3 Bxa4 22. Rxa4 Nxa4 23. Nd4 Nc5 24. Bf1 f4 25. exf4 Rxf4 26. Bg2 Rff8 27. Re1 a4 28. Bxe4 Nxe4 29. Rxe4 Rxe4 30. Qxe4 Qc1+ 31. Kg2 Qxc3 32. Qe6+ Kh8 33. Qe7 Rg8 34. Ne6 a3 35. Ng5 h6 36. Nf7+ Kh7 37. Qe4+ g6 38. Qh4 Qd2 39. Qe7 Rg7 40. Qf8 g5 41. Qh8+ Kg6 42. Nxh6 Rh7 43. Qf8 Rxh6 44. Qg8+ Kf6 45. Qf8+ Kg6 46. Qe8+ Kg7 47. Qe7+ Kg6 48. Qe8+ Kf6 49. Qf8+ Kg6 50. Qg8+ Kf6 51. Qf8+ Kg6 52. g4 Qd4 53. Qf5+ Kg7 54. Qxg5+ Kh7 55. Qe7+ Qg7 56. Qe4+ Rg6 57. h3 a2 58. Qf5 a1=Q 59. Qh5+ Kg8 60. Qf5 Qf7 61. Qc8+ Kg7 62. Qd8 Qe1 63. Qh4 Qe4+ 64. Kg1 Qe1+ 65. Kg2 Qe4+ 66. Kg1 Qxc4 67. Kg2 Qcxd5+ 68. Kg1 Qd1+ 69. Kg2 Qdf3+ 70. Kg1 Qxf2+ 71. Qxf2 Qxf2+ 72. Kxf2 Kf6 73. Ke3 Ke5 74. Kd3 b5 75. Kc3 c5 76. Kb3 b4 77. Kc4 Rxg4+ 78. hxg4 Kf4 79. Kd5 Kxg4 80. Kxd6 b3 81. Kxc5 b2 82. Kd4 b1=Q 83. Ke5 Qd3 84. Ke6 Kf4 85. Ke7 Qd5 86. Kf6 Kg4 87. Ke7 Kf5 88. Ke8 Kf6 89. Kf8 Qd8#

[ 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