What is the strongest continuation for White?

ICC 30 0, Internet Chess Club
Analysis of fiddler (1868) vs. john2001plus (1843)

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 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bg5 Be7 6. Bf4 Bb4+ 7. Nbd2 Qe7 8. a3 Ngxe5 9. Nxe5 Nxe5 10. e3 Bxd2+ 11. Qxd2 d6 12. Qd4 O-O 13. Be2 b6 14. Bxe5 dxe5 15. Qd5 c6 16. Qd2 Bf5 17. Bf3 Rfd8 18. Qc3 Rd3 19. Qb4 c5 20. Qb5 Bd7 21. Qa6 Bc8 22. Qb5 Rb8 23. Bd5 a6 24. Qa4 b5 25. Qc2 Bf5 26. e4 bxc4 27. Qxc4 Rd4 28. Qe2 Be6 29. Bxe6 Qxe6 30. O-O Rbd8 31. Rfd1 Qb3 32. Rxd4 Rxd4 33. f3 g6 34. h4 Rc4 35. Rd1 Rc2 36. Rd2 Rc1+ 37. Kh2 Qb6 38. Rd5 c4 39. Qd2 Rb1 40. Qc2 Qg1+ 41. Kg3 Qe1+ 42. Kh3 Rc1 43. Qd2 Qh1+ 44. Kg3 h5 45. Rxe5 Rg1 46. Re8+ Kh7 47. Re7 Kg7 48. Ra7 Kh7 49. Rxf7+ Kg8 50. Rd7 Kf8 51. Qb4+

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

White to play and win

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Analysis of john2001plus (1847) vs. LazarMilanovic (1611)

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

(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. e7 h6 38. e8=Q+ Bxe8 39. Nxe8 Bxf6 40. Rxf6 Rxe3 41. Rxc6 Rd3 42. Kf1 Kf7 43. Nd6+ Ke7 44. Nf5+ Kd7 45. Rd6+ Kc7 46. Ng7 Rc3 47. Ne6+ Kb7 48. c6+ Kb6 49. c7+ Kb7 50. Rd8 Rxc7 51. Nxc7 Kxc7 52. Rxd5 Kb6 53. Rd6+ Kb5 54. Rxh6 a5 55. Rh5 Kb4 56. Rxg5 a4 57. Rg4

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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

Click here for 37... Rd2.

Black to play and win.

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Analysis of putz (1832) vs. john2001plus (1871)

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

(black to move) 1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Be7 6. Bb2 O-O 7. Nbd2 b6 8. O-O Nc6 9. Ne5 Bb7 10. a3 Rc8 11. f4 cxd4 12. exd4 Nxe5 13. fxe5 Ne4 14. Bxe4 dxe4 15. Re1 Qc7 16. c4 f5 17. exf6 e.p. Bd6 18. fxg7 Bxh2+ 19. Kh1 Qxg7 20. Kxh2 Rf2 21. Rg1 Qh6+ 22. Kg3 Rxd2 23. Qg4+ Kh8 24. Bc1 Rd3+ 25. Kf2 Qf6+ 26. Ke2 Qxd4 27. Rb1 Rf8 28. Rf1 Rd2+ 29. Bxd2 Qd3+

[ 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 line for Black?

ICC tourney 1333 (12 3), Internet Chess Club
Analysis of chessrani (1358) vs. yoshi (1691)

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. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 f6 7. exf6 Nxf6 8. b4 c4 9. Bg5 Ne4 10. Bf4 Be7 11. Qc2 O-O 12. Be3 Bd7 13. Bxc4 Nf6 14. Bd3 Qc7 15. O-O e5 16. dxe5 Nxe5 17. Nxe5 Qxe5 18. Bd4 Qh5 19. Nd2 Bd6 20. Nf3 Bg4 21. Bxf6 Rxf6 22. Ne5 Bxe5 23. h3 Bxh3 24. gxh3 Qxh3 25. f3 Bc7 26. Bxh7+ Kf7 27. a4 Bb6+ 28. Rf2 Qxf3 29. Ra2 Rh8 30. Qe2 Bxf2+ 31. Qxf2 Qd1+ 32. Kg2 Rxh7 33. Qg3 Qf1#

[ 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 force mate.

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Analysis of john2001plus (1803) vs. SpeedyChess11 (1847)

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

(white to move) 1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. Bg5 Be7 5. e3 dxc4 6. Bxc4 O-O 7. Nc3 Nc6 8. O-O b6 9. Rc1 Bb7 10. e4 Na5 11. Bd3 Nd5 12. exd5 Bxg5 13. Nxg5 Qxg5 14. b4 f5 15. bxa5 bxa5 16. f4 Qg6 17. Qf3 Rad8 18. Rfe1 Rfe8 19. Qg3 Qxg3 20. hxg3 Bxd5 21. Nxd5 Rxd5 22. Bc4 Rxd4 23. Bxe6+ Kh8 24. Bxf5 Rf8 25. Rxc7 g6 26. Bb1 Rd2 27. Ree7 Rb8 28. Rxh7+ Kg8 29. Rcg7+ Kf8 30. Rh8+ Kxg7 31. Rxb8 Kh6 32. Rb7 a4 33. Kh2 a5 34. g4 Rd5 35. Kg3 Rb5 36. Ra7 Rg5 37. Kh4 Rxg4+ 38. Kxg4 a3 39. f5 a4 40. f6 g5 41. 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