White to play and win.

ICC tourney 1300 (12 3), Internet Chess Club
Analysis of yoshi (1743) vs. Demachaeron (1494)

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

(white to move) 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 e6 5. Nc3 Be7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. O-O Bb7 10. e4 c5 11. dxc5 Bxc5 12. e5 Nd5 13. a4 b4 14. Ne4 Be7 15. Bg5 f6 16. exf6 Bxf6 17. Re1 O-O 18. Nxf6+ gxf6 19. Bh6 Re8 20. Nd4 Nf4 21. Bxf4 e5 22. Bxh7+ Kxh7 23. Qh5+ Kg8 24. Qg6+ Kh8 25. Nf5 Qd7 26. Qxf6+ Kg8 27. Qg6+ Kh8 28. Bxe5+ Rxe5 29. Rxe5 Nc6 30. Re3

[ 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?

G/10, Columbus Chess Club
Analysis of Coffey, John vs. Bemke, James

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

(white to move) 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d3 Nxc3 6. bxc3 c5 7. Nf3 Nc6 8. Be2 d4 9. cxd4 cxd4 10. O-O Be7 11. Qe1 O-O 12. Qg3 Re8 13. Bh6 g6 14. Bg5 Qc7 15. Rae1 Nxe5 16. Bf4 Bd6 17. Bd1 Bg4 18. Rxe5 Bxe5 19. Nxe5 Bxd1 20. Nxg6 Qa5 21. Ne5+ Kf8 22. Bh6+ Ke7 23. Qg5+ Kd6 24. Nc4+

[ 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