White to play and win

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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 +3

(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+ Nc6 19. Rd4 a6 20. Bxc6+ Bxc6 21. Red1 Bd5 22. c4 c5 23. Rd4d2 Bxc4 24. Rd8+ Qxd8 25. Bxd8 Kf8 26. Qe7+ Kg7 27. Qf6+ Kh7 28. Rd7 Rg7 29. Rxf7 Rxf7 30. Qxf7+ Kh6 31. Bf6 h4 32. Qg7+ Kh5 33. f3

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Options:
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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Click here for 28... Raxd8.
Click here for 30... Kh6.

What is the strongest continuation for White?

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BrightRapidly (1410) vs. john2001plus (1793)

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

(white to move) 1. e4 e6 2. c4 d5 3. d3 dxe4 4. d4 c5 5. d5 Nf6 6. Nc3 exd5 7. cxd5 Bf5 8. Bg5 Be7 9. Bb5+ Nbd7 10. d6 Bf8 11. Nd5 Bxd6 12. Nxf6+ gxf6 13. Qxd6 Qe7 14. Qxf6 Qxf6 15. Bxf6 O-O 16. Bxd7 Bxd7 17. O-O-O Be6 18. g4 Bxa2 19. h4 h6 20. Ne2 Be6 21. Nf4 Kh7 22. g5 Bg4 23. Rdg1 Bf3 24. Rh2 Rg8 25. Nd5 h5 26. Ne7 Rge8 27. g6+ fxg6 28. Rh3 Rad8 29. Nxg6 Rd6 30. Nf8+ Rxf8 31. Be7 Rdf6 32. Bxf8 Rxf8 33. Rhg3 Bg4 34. Re3 Bf3 35. Kd2 Rf4 36. Rc3 b6 37. Ra3 a5 38. Rb3 Rf6 39. Rg5 Rd6+ 40. Ke3 c4 41. Rbb5 Rc6 42. Rbd5 a4 43. Rd7+ Kh6 44. Ra7 c3 45. bxc3 Rxc3+ 46. Kf4 a3 47. Rgg7 Rc2 48. Rxa3 Rxf2 49. Rg5 Bh1+ 50. Ke5 Rf3 51. Ra8 Kh7 52. Ra7+ Kh8 53. Rxh5+ Kg8 54. Rg5+ Kh8 55. Rg1 Rh3 56. Kf6 e3 57. Rc7 Rf3+ 58. Kg6 Kg8 59. Rxh1

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Options:
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	- 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 -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. a5 Kf2 42. Rxe2+ Rxe2 43. Ka6 Kxg3 44. b5 Kxf4 45. b6 Ke5 46. b7 Rb2 47. Ka7 f4 48. a6 f3 49. Ka8 f2 50. a7 Rxb7 51. Kxb7 f1=Q 52. a8=Q Qf3+

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Options:
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	- use short algebraic notation;
movement/animation speed: (slow) (fast)
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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Click here for 43. a6.
Click here for 43. Ka6.

What is the best move for Black?

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Analysis of SuperPuzzler (1406) vs. john2001plus (1853)

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

(black to move) 1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nf6 5. e5 Nfd7 6. Nb3 Nc6 7. Be3 cxd4 8. Nxd4 Ndxe5 9. Bb5 Bd7 10. Nxc6 bxc6 11. Ba4 Nc4 12. Bc1 Bd6 13. Bb3 Qh4 14. Nf3 Qe4+ 15. Qe2 Qxe2+ 16. Kxe2 Na5 17. Bc2 O-O 18. Ng5 h6 19. Nf3 e5 20. h3 e4 21. Nd4 c5 22. Nb3 Bb5+ 23. Kd1 Nc4 24. g4 Rfe8 25. h4 e3 26. fxe3 Nxe3+ 27. Bxe3 Rxe3 28. g5 hxg5 29. hxg5 Rae8 30. g6 Bg3 31. gxf7+ Kxf7 32. a4 Re1+ 33. Rxe1 Rxe1+ 34. Kd2 Rxa1 35. Nxa1 Bf4+ 36. Kd1 Bd7 37. Bb3 Bg4+ 38. Ke1 Ke6 39. Bc2 Bc1 40. Nb3 Bxb2 41. Nxc5+ Kd6 42. Nb7+ Kc7 43. Nc5 Bxc3+

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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 Black?

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

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

(black 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 Rc7 27. Nxg7 Qf7 28. Qxf7 Rxf7 29. Ne8 Bd7 30. Nd6 Rf6 31. Nb7 Bg4 32. Nd8 Ng5 33. Rh4 Bf3+ 34. Kh2 Rd6 35. Nb7 Rc6

[ 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 survive

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

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

(black 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 gxf5 31. Qh8+ Kf7 32. Rh7+ Ke6 33. Ba2 Kd6

[ Flip the board | Reset | Options… ] Play chess online

 

Options:
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	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;

 

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Mate in 7

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Analysis of Mustangcoffee (1523) vs. john2001plus (1840)

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

(black to move) 1. e4 e6 2. c4 d5 3. cxd5 exd5 4. exd5 Nf6 5. Bb5+ Bd7 6. Bc4 Bg4 7. Nf3 Nxd5 8. Qe2+ Be7 9. h3 Be6 10. Nc3 Nf4 11. Qf1 Nxg2+ 12. Qxg2 Bxc4 13. Qxg7 Bf6 14. Qh6 Nc6 15. Qe3+ Qe7 16. d3 Be6 17. Bd2 O-O-O 18. O-O-O Nb4 19. Qxa7 Nxd3+ 20. Kb1 Nxb2 21. Kxb2 Rxd2+ 22. Rxd2 Qb4+ 23. Kc1 Qxc3+ 24. Kd1 Qxf3+ 25. Ke1 Qxh1+ 26. Ke2 Bc4+ 27. Rd3 Re8+ 28. Qe3 Rxe3+ 29. Kxe3 Qe1+ 30. Kf3 Bxd3

[ 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