White to play for a slight advantage.

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john2001plus (1720) vs. breathasfoundation (1586)

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

(white to move) 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 c6 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 dxc4 8. Bxc4 Nd5 9. Bxe7 Qxe7 10. e4 Nd5b6 11. Bb3 Nf6 12. O-O Bd7 13. d5 cxd5 14. exd5 Nbxd5 15. Nxd5 Nxd5 16. Bxd5 exd5 17. Qxd5 Be6 18. Qb5+ Qd7 19. Qb4 Qe7 20. Qa4+ Qd7 21. Qe4 O-O 22. Rad1 Qe7 23. Nd4 Rae8 24. Nxe6 fxe6 25. Rd2

[ 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

Black to play and win.

Live Chess, Chess.com
Ritterwald (1467) vs. mbonyce (1417)

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

(black to move) 1. d4 c5 2. Nf3 cxd4 3. Nxd4 e6 4. g3 Nc6 5. Bg2 Nf6 6. O-O Be7 7. c3 O-O 8. Nd2 Rb8 9. Nd2b3 Nxd4 10. cxd4 d6 11. Bd2 b6 12. Rc1 Bb7 13. e3 Bxg2 14. Kxg2 e5 15. Qc2 e4 16. Qc7 a5 17. Qxd8 Rfxd8 18. Rc6 d5 19. Rfc1 Kf8 20. Be1 Ng4 21. h3 Nf6 22. a4 b5 23. Bxa5 bxa4 24. Bxd8 Bxd8 25. Nc5 Ke7 26. Nxa4 Rb4 27. Rc1c2 Rxa4 28. Rc8 Rb4 29. f3 exf3+ 30. Kxf3 Ne4 31. Rc8c6 Nd6 32. h4 Rb3 33. Rc6c3 Rb4 34. b3 h6 35. Rd3 g6 36. Rc5 Ke6 37. Rc6 Bf6 38. Ra6 Be7 39. Rc3 f5 40. Rd3 Kf7 41. Ra4 Rb6 42. b4 Nc4 43. Rb3 Re6 44. Rd3 Rb6 45. Ra2 Rxb4 46. Rc2 Rb6 47. Rcc3 Re6 48. Rb3 g5 49. Rbc3 g4+ 50. Kf2 Bb4 51. Rb3 Bd2 52. Rb7+ Kf6 53. Rc7 Bxe3+ 54. Kg2 Bd2 55. Rxc4 dxc4 56. Rxd2 Rc6 57. Kf2 c3 58. Rc2 Ke6 59. Ke3 Kd5 60. Kd3 Rc4 61. Rxc3 Rxc3+ 62. Kxc3 f4 63. Kd3 fxg3 64. Ke3 g2 65. Kf2 h5 66. Kxg2 Kxd4 67. Kf2 Ke4 68. Kg3 Ke3 69. Kg2 Kf4 70. Kf2 g3+ 71. Kg2 Kg4

[ 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 best line for White?

Greenwood, Indiana Chess Club, ?
Analysis of McCorkle, Bob vs. Nelms, Al

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

(white to move) 1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. e3 b6 5. Bd3 Bb7 6. Nbd2 d5 7. c3 Nbd7 8. O-O Ne4 9. Bxe7 Qxe7 10. Qc2 Ndf6 11. c4 c6 12. Rac1 O-O 13. Ne5 Qb4 14. Nxe4 Nxe4 15. cxd5 cxd5 16. Qc7 Bc8 17. Bxe4 dxe4 18. Nc6 Qxb2 19. Rc2 Qb5 20. Ne7+ Kh8 21. Nxc8

[ 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