What is the strongest move for White?

Blitz:15'+10, New Whiteland IN
Analysis of John Coffey vs. Alexander Netipanov, 900+10

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

(white to move) 1. Nf3 Nc6 2. d4 d5 3. c4 e6 4. Nc3 Bb4 5. Bf4 Nf6 6. e3 h6 7. Rc1 Ne4 8. Bd3 Nxc3 9. bxc3 Ba5 10. O-O O-O 11. e4 dxe4 12. Bxe4 Ne7 13. Qd2 c6 14. Bxh6 f5 15. Bd3 gxh6 16. Qxh6 Rf7 17. Ng5 Rg7 18. Nxe6 Bxe6 19. Qxe6+ Kh7 20. Bxf5+ Nxf5 21. Qxf5+ Kh6 22. Rce1 Rg6 23. Re3 Qg5 24. Rh3+ Kg7 25. Qd7+ Kg8 26. Qh7+ Kf8 27. Rf3+ Rf6 28. Rg3 Rh6 29. Qxb7 Qf6 30. Rf3 Re8 31. Qxc6 Bd8 32. Rxf6+

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Options:
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	- show legal moves;

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

White to play for a strong advantage

Itsyourturn.com, ?
Analysis of Coffey, John (2001) vs. Jumper (1700)

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

(white to move) 1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 O-O 6. Rc1 c6 7. e3 h6 8. Bxf6 Bxf6 9. Bd3 Nd7 10. O-O e5 11. cxd5 exd4 12. Nxd4 cxd5 13. Nxd5 Bxd4 14. exd4 Nf6 15. Nc7 Rb8 16. Re1 a6 17. d5 Bg4 18. f3 Qd6 19. fxg4 Rbc8 20. Qc2 Nxd5 21. Nb5 Qb6+ 22. Qf2 axb5 23. Qxb6 Nxb6 24. Bxb5

[ 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

Mate in 4

Indianapolis open, Chess.com
Analysis of Xun (1400) vs. Sims (1558)

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

(black to move) 1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 e4 5. Bg2 d5 6. b3 Bb4 7. Bd2 e3 8. fxe3 Ng4 9. Qc2 Qe7 10. a3 Bxc3 11. Qxc3 O-O 12. h3 Nf6 13. O-O-O Qxa3+ 14. Qb2 Qd6 15. g4 a5 16. c5 Qc7 17. Be1 Be6 18. Nf3 Nbd7 19. Rg1 a4 20. bxa4 Rxa4 21. Rd3 Rfa8 22. Kb1 b6 23. Nd2 bxc5 24. dxc5 Nxc5 25. Rc3 Rb8 26. Nb3 d4 27. exd4 Nxb3 28. Bg3 Nd2+ 29. Kc1 Rxb2 30. Kxb2 Ra2+ 31. Kc1 Qa5 32. Rxc6 Nb3+ 33. Kb1 Ra1+ 34. Kb2 Qa2+ 35. Kc3 Qd2#

[ 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 win

Live Chess, Chess.com
FullCircleChess (1927) vs. Anchorless (1638)

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

(white to move) 1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 O-O 6. O-O c6 7. Bg5 b5 8. e5 dxe5 9. dxe5 Nd5 10. Nxd5 cxd5 11. Bxb5 h6 12. Be3 e6 13. Re1 Bd7 14. Bf1 Nc6 15. Bc5 Re8 16. c3 Ne7 17. b4 a5 18. a3 axb4 19. axb4 Nf5 20. Rxa8 Qxa8 21. Qa1 Bc6 22. Nd4 Nxd4 23. cxd4 Qa4 24. Qxa4 Bxa4 25. Ra1 Bb3 26. b5 Bf8 27. b6 Rb8 28. Ra7 Bc4 29. Bxf8 Kxf8 30. b7 Ke7 31. Bxc4 dxc4 32. Kf1 Kd7 33. Ke2 Kc6 34. Kd2 Kb6 35. Ra2 Kc6 36. Rb2 Rxb7 37. Rxb7 Kxb7 38. Kc3 Kc7 39. Kxc4 Kc6 40. f4 g5 41. fxg5 hxg5 42. h3 Kc7 43. d5 exd5+ 44. Kxd5 Kd7 45. g3 Ke7 46. h4 gxh4 47. gxh4 f6 48. e6 f5 49. h5 f4 50. h6 f3 51. h7 f2 52. h8=Q f1=Q 53. Qg7+ Ke8 54. Qd7+ Kf8 55. e7+ Kg7 56. 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

What is the fastest path to checkmate?

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

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

(black to move) 1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3 Nf6 5. Nf3 Bd6 6. Bg5 c6 7. Bd3 O-O 8. Qd2 Re8+ 9. Be2 h6 10. Bh4 Bf5 11. O-O-O Qc7 12. Bxf6 Bf4 13. Be5 Bxd2+ 14. Rxd2 Qa5 15. Kb1 Nd7 16. Nh4 Bh7 17. f4 Nxe5 18. fxe5 b5 19. Rhd1 b4 20. Nxd5 Qxd5 21. Bf3 Be4 22. Bxe4 Qxe4 23. Nf3 Red8 24. Re1 Qd5 25. b3 c5 26. Red1 c4 27. Re2 c3 28. h4 Qa5 29. Ne1 Qa3 30. Nd3 Rd5 31. e6 Ra5 32. exf7+ Kh7 33. f8=N+ Rxf8 34. g3 Qxa2+ 35. Kc1 Qa1#

[ 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 continuation for White?

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

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

(white to move) 1. Nf3 Nc6 2. d4 d5 3. c4 e6 4. Nc3 dxc4 5. e4 Bb4 6. Bxc4 h6 7. O-O a6 8. d5 exd5 9. exd5 Nce7 10. Qa4+ Bd7 11. Qxb4 Nf6 12. Qxb7 O-O 13. Bxa6 Rb8 14. Qa7 Ra8 15. Qb7 Rb8 16. Qa7 Ra8 17. Qc5 Rxa6 18. Bf4 c6 19. Rad1 Ra5 20. Qd4 Nexd5 21. Be5 Nxc3 22. Qxc3 Rxa2 23. Bxf6 gxf6 24. Qd4

[ 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

ICC 30 0, Internet Chess Club
john2001plus (1853) vs. fiddler (1761)

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

(white to move) 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 Nc6 9. Be3 cxd4 10. cxd4 Qa5+ 11. Qd2 e6 12. Qxa5 Nxa5 13. Bd3 b6 14. O-O Bb7 15. Rfc1 Kd7 16. Bd2 Nc6 17. d5 Nd4 18. Nxd4 Bxd4 19. Bb5+ Kd6 20. Bb4+ Bc5 21. Bxc5+ bxc5 22. dxe6 fxe6 23. Rd1+ Ke5 24. f3 Rhd8 25. Kf2 Rd4 26. Ke3 g5 27. g3 Rad8 28. f4+ gxf4+ 29. gxf4+ Kf6 30. e5+ Kf5 31. Bd3+ Be4 32. Be2 Rxd1 33. Rxd1 Rxd1 34. Bxd1 a5 35. h3 Bb1 36. Bg4+ Kg6 37. Bxe6 h6 38. Bc4 Kh5 39. e6 Kh4 40. e7 Bg6 41. f5 Be8 42. f6

[ 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.

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 0

(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 Na4 19. Ba5 Bxb2 20. Bb4 Rfc8 21. Ne4 Rc4 22. Nc5 Bxa3 23. Bxa3 Nxc5

[ 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 4

Rated Blitz game, https://lichess.org/JPeFLRV0
Analysis of liberion (1737) vs. john2001plus (1886)

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

(white to move) 1. e4 e6 2. Nf3 d5 3. e5 c5 4. b4 b6 5. a3 Ne7 6. c3 a5 7. d4 axb4 8. cxb4 cxb4 9. Bd3 Ng6 10. O-O bxa3 11. Bxa3 Bxa3 12. Rxa3 Rxa3 13. Nxa3 O-O 14. g3 Nc6 15. h4 f6 16. h5 fxe5 17. hxg6 e4 18. gxh7+ Kh8 19. Bb1 Rxf3 20. Nc2 Rd3 21. Qg4 e5 22. Qg6 Nxd4 23. Ne3 Nf3+ 24. Kg2 Qd7 25. Rh1 Rc3 26. Nf5 Rc6 27. Qg4 g6 28. Nh6 Kxh7 29. Nf5+ Kg8 30. Qh3 Qxf5 31. Qh8+ Kf7 32. Rh7+ Ke6 33. Qe8+ Kd6 34. Qe7#

[ 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