What is the best move for Black?

ICC 30 0, Internet Chess Club
GoKnight (1475) vs. john2001plus (1702)

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

(black to move) 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Bb4+ 6. Nc3 O-O 7. O-O Bxc3 8. bxc3 d6 9. Qc2 Be4 10. Qa4 Nbd7 11. Nd2 Bxg2 12. Kxg2 e5 13. e3 Re8 14. Bb2 Qe7 15. Ba3 c5 16. Bb2 exd4 17. cxd4 cxd4 18. exd4 Qe2 19. Rad1 Qh5 20. Rde1 Qf5 21. Qb3 Ne4 22. Qc2 Nxg3 23. Qxf5 Nxf5 24. Nf3 Nf6 25. d5 Ne4 26. Rd1 Rac8 27. Rc1 Re7 28. Rc2 Rec7 29. Rfc1 b5 30. c5 Rxc5 31. Rxc5 Rxc5 32. Rxc5 Nxc5 33. Nd4 Nxd4 34. Bxd4 a6 35. Kf3 f5 36. Kf4 g6 37. Bf6 Kf7 38. Bd8 Nd3+ 39. Ke3 Nb4 40. Bc7 Nxd5+

[ 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

What is the best move for White?

Live Chess, Chess.com
john2001plus (1847) vs. LazarMilanovic (1611)

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

(white to move) 1. Nf3 e6 2. d4 d5 3. c4 c6 4. e3 f5 5. Nc3 Nf6 6. Bd3 Bd6 7. c5 Bc7 8. O-O O-O 9. b4 Nbd7 10. Bb2 Ne4 11. Qc2 Qf6 12. b5 Qh6 13. Ne2 Ng5 14. Ne5 Nxe5 15. dxe5 Bd7 16. a4 Be8 17. f4 Ne4 18. Nd4 Bd8 19. bxc6 bxc6 20. Rab1 g5 21. Bxe4 fxe4 22. f5 exf5 23. Nxf5 Qe6 24. Nd6 Rxf1+ 25. Rxf1 Bg6 26. Qf2 Be7 27. Qg3 Rb8 28. Bd4 Rb4 29. Qe1 Rxa4 30. Qb1 Kg7 31. Qb8 Ra2 32. Qc8 Qxc8 33. Nxc8 Bf8 34. e6+ Kg8 35. Nd6 Re2 36. Bf6 Bg7 37. Bxg5 a5 38. e7 d4 39. Nxe4 dxe3 40. Nf6+ Kf7 41. e8=Q#

[ 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 1.

ICC tourney 1330 (12 3), Internet Chess Club
Analysis of yoshi (1727) vs. capatal1 (1362)

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

(white to move) 1. Nf3 Nf6 2. d4 d6 3. c4 c6 4. Nc3 Bg4 5. Bg5 Nbd7 6. e3 h6 7. Bh4 e6 8. h3 Bh5 9. Bd3 Be7 10. g4 Bg6 11. Bxg6 fxg6 12. Qc2 Kf7 13. O-O-O Nh7 14. Bg3 g5 15. d5 e5 16. dxc6 bxc6 17. Qf5+ Nhf6 18. Ne4 g6 19. Qe6+ Kg7 20. Nxe5 dxe5 21. Nxf6 Nc5 22. Nh5+ Kf8 23. Qxg6 Rg8 24. Qxh6+ Kf7 25. Qh7+ Kf8 26. Bxe5 Qc8 27. Bg7+ Rxg7 28. Qxg7+ Ke8 29. Qg8+ Bf8 30. Qg6+ Ke7 31. Qxg5+ Ke8 32. Qg6+ Ke7 33. Qh7+ Ke6 34. Nf4+ Ke5 35. Qf7 Ke4 36. Nh5 Ne6 37. Qf5#

[ 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