What is the strongest continuation for White?

ICC tourney 1321 (12 3), Internet Chess Club
Analysis of yoshi (1739) vs. IAlwaysWin (1522)

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

(white to move) 1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. e3 a6 5. Nc3 Bf5 6. cxd5 cxd5 7. Ne5 e6 8. g4 Bg6 9. Qb3 Ra7 10. h4 h5 11. g5 Ng8 12. Qa4+ Nc6 13. Nxc6 bxc6 14. Qxc6+ Qd7 15. Qb6 Qc7 16. Qxc7 Rxc7 17. Bxa6

[ 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 2 moves.

Live Chess, Chess.com
Analysis of john2001plus (1866) vs. SpeedyChess11 (1747)

8 7 6 5 4 3 2 1 a b c d e f g h +17

(white to move) 1. Nf3 Nf6 2. d4 e6 3. c4 b6 4. a3 Bb7 5. Nc3 Be7 6. d5 exd5 7. cxd5 O-O 8. e4 d6 9. Bc4 Re8 10. O-O Nbd7 11. Nd4 Ne5 12. Bb5 Rf8 13. f4 Ng6 14. Bc6 Bxc6 15. Nxc6 Qd7 16. Be3 Ng4 17. Bd4 Bf6 18. h3 Bxd4+ 19. Qxd4 Nf6 20. e5 Ne8 21. Rae1 dxe5 22. fxe5 Ne7 23. Nxe7+ Qxe7 24. Qc4 Rd8 25. Nb5 a6 26. Na7 b5 27. Nc6 bxc4 28. Nxe7+ Kh8 29. Rd1 Rd7 30. Nc6 Rg8 31. e6 fxe6 32. dxe6 Rd6 33. Ne5 g6 34. Nf7+ Kg7 35. Nxd6 Nxd6 36. Rxd6 cxd6 37. Rf7+ Kh6 38. Rd7 Re8 39. Rxd6 a5 40. Kf2 Kg5 41. Ke3 Kf5 42. Kd4 Kf6 43. Kxc4 Rb8 44. b4 axb4 45. axb4 Ke5 46. Kc5 Ra8 47. b5 Ra2 48. e7 Rc2+ 49. Kb4 Kxd6 50. e8=Q Rxg2 51. Qc6+ Ke5 52. Qxg2 Kf4 53. b6 h5 54. b7 g5 55. b8=Q+ Kf5 56. Qd6 g4 57. Qgd5#

[ 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.

Wch U16 Girls, Belfort
Robles Garcia, Claudia (2144) vs. Ondrova, Michaela (1920)

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

(black to move) 1. e4 e5 2. Nc3 Nf6 3. f4 d5 4. exd5 exf4 5. Nf3 Nxd5 6. Nxd5 Qxd5 7. d4 Bg4 8. Be2 Nc6 9. Bxf4 O-O-O 10. c3 Qe4 11. Qd2 Rxd4 12. Nxd4 Nxd4 13. O-O Nxe2+ 14. Kh1 Bh3 15. Rf2 Bxg2+ 16. Rxg2 Nxf4 17. Rag1 Bc5

[ 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