White to play and win

Live Chess, Chess.com
Analysis of john2001plus (1822) vs. LetsGoRoyals (1639), 900+10

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

(white to move) 1. Nf3 b6 2. e4 Bb7 3. Nc3 e6 4. d4 Bb4 5. Bd3 Nf6 6. e5 Nd5 7. Bd2 Nxc3 8. bxc3 Be7 9. O-O d6 10. Re1 dxe5 11. Nxe5 Bd6 12. Qg4 Bxe5 13. dxe5 g6 14. Bg5 Qd7 15. Bf6 Rg8 16. Rad1 h5 17. Qg5 Qc8 18. Bb5+ Nd7 19. Rxd7 Bc6 20. Re7+ Kd8 21. Qd2+ Qd7 22. Bxc6 Kc8 23. Qxd7+ Kb8 24. Qxc7#

[ 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 19... c6.
Click here for 19... Kf8.

What is the best move for White?

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. chess724

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 d5 3. c4 e6 4. Nc3 c6 5. e3 Bb4 6. Bd3 dxc4 7. Bxc4 O-O 8. O-O Nbd7 9. Re1 Bxc3 10. bxc3 h6 11. e4 Nb6 12. Bd3 Bd7 13. Bc2 a6 14. e5 Nfd5 15. Qd3 f5 16. exf6 e.p. Nxf6 17. Ne5 Nbd5 18. Bxh6 gxh6 19. Qg6+ Kh8 20. Qxh6+ Kg8 21. Rad1 Qe7 22. Rd3 Rf7 23. Rg3+ Rg7 24. Ng6 Qe8 25. c4 Nb6 26. Rg5 Kf7 27. Ne5+ Ke7 28. Rxg7+ Kd8 29. Qxf6+

[ 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 strongest continuation for White?

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. rupertguinness

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

(white to move) 1. Nf3 d5 2. d4 Nc6 3. c4 Nf6 4. cxd5 Nxd5 5. e4 Nb6 6. d5 Nb8 7. Nc3 Bg4 8. Be2 e6 9. h3 Bh5 10. Bf4 exd5 11. Nd4 Bxe2 12. Qxe2 dxe4 13. Rd1 Bb4 14. Qb5+ c6 15. Qxb4 Nd5 16. Nxd5 cxd5 17. Qxb7 Nd7 18. Qxd5 O-O 19. O-O Re8 20. Nc6 Qf6 21. Bg5 Qg6 22. Qxd7 Qe6 23. Qxe6 Rxe6 24. Nxa7 h6 25. Be3 Ra6 26. a3 f6 27. Rd7 g5 28. Rfd1 f5 29. Rc1 f4 30. Bd4 Ra4 31. Rcc7 Rxd4 32. Rxd4 Re8 33. Nc8 e3 34. fxe3 fxe3 35. Ne7+ Kf7 36. Re4 e2 37. g4 e1=Q+ 38. Rxe1 Kg7 39. Ng6+ Kxg6 40. Rxe8 Kf6 41. Ree7 h5 42. Re8 h4 43. Ree7 Kg6 44. Rc6#

[ 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 strongest move for White?

Live Chess, Chess.com
Analysis of john2001plus (1849) vs. Chief523 (1820)

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 Bg4 5. Qb3 Qb6 6. Ne5 Qxb3 7. axb3 e6 8. Nxg4 Nxg4 9. Nc3 Bb4 10. Bd2 Nf6 11. Bd3 h6 12. O-O Nbd7 13. Rfd1 O-O 14. Nxd5 Nxd5 15. cxd5 Bxd2 16. dxc6 bxc6 17. Rxd2 Rfb8 18. Bc4 Nf6 19. f3 Rd8 20. e4 c5 21. Rad1 cxd4 22. Rxd4 Rxd4 23. Rxd4 Rb8 24. e5 Ne8 25. Rd7 Ra8 26. f4 g6 27. g4 Ng7 28. Kf2 h5 29. h3 hxg4 30. hxg4 Kf8 31. Ke3 Ke8 32. Rb7 Kf8 33. b4 Ne8 34. f5 gxf5 35. gxf5 Ng7 36. fxe6 Nxe6 37. Bxe6 fxe6 38. b5 Rd8 39. Rxa7 Rb8 40. Ra5 Ke7 41. Kd4 Rd8+ 42. Kc5 Rc8+ 43. Kb4 Kd8 44. b6 Kd7 45. Rc5 Rb8 46. Rc7+ Kd8 47. Kb5 Ra8 48. Ra7 Rb8 49. Rh7

[ 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 38... Ke8.
Click here for 42... Rd5+.
Click here for 42... Rd2.

Black to play and win

ICC 30 0, Internet Chess Club
Analysis of fiddler (1770) vs. john2001plus (1857)

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

(black to move) 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc4 7. Qa4 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bf4 Nc6 11. a3 Nxd4 12. Nxd4 Bxg2 13. Kxg2 Qxd4 14. Rd1 Qe4+ 15. Qxe4 Nxe4 16. Bxc7 Bf6 17. Nd2 Nc5 18. Rab1 Rac8 19. Bd6 Rfd8 20. Bxc5 Rxc5 21. Ne4 Rcd5 22. Nxf6+ gxf6 23. Rxd5 Rxd5 24. b4 Rd2 25. Kf3 Ra2 26. Rb3 f5 27. Ke3 e5 28. h4 Kg7 29. f4 e4 30. Rc3 Ra1 31. Kd4 Ra2 32. Re3 Kf6 33. Kc5 Ke6 34. Kb6 Kd5 35. Kxa6 Kd4 36. Rb3 Rxe2 37. Kxb5 Rd2 38. Rb1 e3 39. a4 e2 40. Re1 Ke3 41. Ka6 Kf2 42. Rxe2+ Rxe2 43. b5 Kxg3 44. a5 Kxf4 45. b6 Ke5 46. Kb7 Kd6 47. a6 Kc5 48. Ka7 Kb5 49. b7 Re8 50. b8=Q+ Rxb8 51. Kxb8 Kxa6

[ 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

Click here for 38. a4.
Click here for 41. a5.