What is the best line for White?

ICC tourney 1276 (12 3), Internet Chess Club
Analysis of yoshi (1660) vs. drabmolc (1254)

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 c6 3. e3 e6 4. c4 f5 5. Nc3 Nf6 6. Be2 Bd6 7. O-O O-O 8. Ne5 Qe7 9. f4 Nbd7 10. c5 Bc7 11. b4 Ne4 12. Nxe4 fxe4 13. b5 Nxe5 14. fxe5 Bd7 15. Qb3 Rxf1+ 16. Bxf1 Rf8 17. b6 axb6 18. Ba3 Qf7 19. Qb2 b5

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Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Click here for 18. cxd6

White to play for a winning advantage.

ICC tourney 1273 (12 3), Internet Chess Club
Analysis of yoshi (1659) vs. LiangLiang (1682)

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

(white to move) 1. Nf3 Nf6 2. d4 e6 3. c4 d5 4. Nc3 Nbd7 5. e3 Be7 6. cxd5 exd5 7. Bd3 Nf8 8. O-O Ng6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 c6 12. d5 cxd5 13. Bxd5 O-O 14. Be3 Bf6 15. Qb3 Bxb2 16. Rad1 Qf6 17. Ng5 Ne7 18. Bxf7+ Kh8 19. Bc4 Bf5 20. Nf7+ Rxf7 21. Bxf7 b6 22. Bg5 Qxg5 23. Qxb2

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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 best line for White?

ICC tourney 1273 (12 3), Internet Chess Club
Analysis of yoshi (1652) vs. wcorbit1 (1432)

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

(white to move) 1. Nf3 g6 2. d4 Bg7 3. c4 Nf6 4. Nc3 O-O 5. Bg5 d6 6. e3 Re8 7. Be2 Nbd7 8. O-O c6 9. Qc2 d5 10. cxd5 Nxd5 11. e4 Nd5b6 12. Rfd1 h6 13. Bh4 Nf6 14. a4 a5 15. Rac1 g5 16. Bg3 Nh5 17. Be5 f6 18. Bg3 Nxg3 19. hxg3 Be6 20. d5 cxd5 21. Nd4 Bf7 22. Bb5 Rf8 23. exd5 Nxd5 24. Nxd5 Qxd5 25. Nf5 Qb3 26. Nxe7+ Kh8 27. Ng6+ Kg8 28. Qxb3 Bxb3 29. Rd3 Bf7 30. Nxf8

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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 best line for Black?

ICC tourney 1273 (12 3), Internet Chess Club
Analysis of canary2016 (1267) vs. yoshi (1649)

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 Nc6 5. exd5 exd5 6. dxc5 Bxc5 7. Nb3 Bd6 8. Qxd5 Nf6 9. Qd1 O-O 10. Nf3 Re8+ 11. Be2 Bg4 12. O-O Qe7 13. Bd3 Rad8 14. Be3 Ne5 15. Be2 Nxf3+ 16. Bxf3 Bxh2+ 17. Kxh2 Rxd1 18. Raxd1 Bxf3 19. gxf3 Qe5+ 20. Kg2 Nd5 21. Rfe1 Nxe3+ 22. fxe3 Qg5+ 23. Kf2 Qh4+ 24. Kg2 Re6 25. f4 f5 26. Rh1 Rg6+ 27. Kf3 Qg4+ 28. Kf2 Qg2+ 29. Ke1 Qxh1+

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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

Black to play and win.

Chess.com USCF Online rated Blitz torurnament.
Analysis of Troy8 (1988) vs. john2001plus (1854)

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

(black to move) 1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. Nf3 c6 5. Qc2 Bd6 6. d4 O-O 7. Nbd2 Nbd7 8. e4 dxe4 9. Nxe4 Nxe4 10. Qxe4 Nf6 11. Qh4 Qa5+ 12. Bd2 Bb4 13. Qf4 Rd8 14. O-O Bxd2 15. Nxd2 e5 16. dxe5 Qxd2 17. Qxd2 Rxd2 18. exf6 Rxb2 19. Rfe1 Be6 20. fxg7 Bxc4 21. Rab1 Rxb1 22. Rxb1 Bxa2 23. Rxb7 Bd5 24. Bxd5 cxd5 25. Rd7 a5 26. Rxd5 a4 27. Rd2 a3 28. Ra2 Kxg7 29. Kf1 Kf6 30. Ke2 Ke5 31. Kd3 Kd5 32. f3 Kc5 33. Kc3 f5 34. g4 fxg4 35. fxg4 Kd5 36. Kd3 Ke5 37. Ke3 Ra4 38. h3 Re4+ 39. Kf3 Rf4+ 40. Kg3 Ra4 41. Kh4 Kf4 42. Kh5 Kg3 43. h4 Ra6 44. g5 Ra5 45. Kh6 Kxh4 46. Rh2+ Kg3 47. Ra2 Kf4 48. Rf2+ Ke3 49. Ra2 Ra7 50. Ra1 a2 51. Re1+ Kd2 52. Ra1 Kd3 53. Rd1+ Kc3 54. Rg1 Rb7 55. Rg3+ Kb2 56. Rg2+ Ka3 57. Rg3+ Rb3 58. Rg1 Rb1 CHECK!

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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

White to play and win.

ICC tourney 1261 (12 3), Internet Chess Club
Analysis of HighGround (1290) vs. yoshi (1635)

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

(white to move) 1. e4 e6 2. d4 d5 3. e5 c5 4. f4 cxd4 5. Nf3 Nc6 6. Bd3 Qb6 7. a3 Bd7 8. O-O Rc8 9. Nbd2 Nh6 10. Nh4 Be7 11. Qe1 Nf5 12. Nxf5 exf5 13. Kh1 O-O 14. Rf3 Na5 15. b3 Bb5 16. Bxf5 Rc3 17. Qg3 g6 18. Rxc3 dxc3 19. Nf3 d4 20. Be4 Bc6 21. Bd3 Bxf3 22. Qxf3 Qc7 23. Qg3 f5 24. a4 Nc6 25. h4 Nb4 26. h5 Kg7 27. Ba3 Nxd3 28. Qxd3 Bxa3 29. Rxa3 Qe7 30. h6+ Kxh6 31. Qh3+ Kg7 32. Ra1 Qc5 33. Qd3 Rd8 34. Kh2 Qd5 35. Re1 Kf7 36. Kg3 Kg7 37. Rh1 a6 38. Re1 b5 39. axb5 axb5 40. e6 Kf6 41. Re5 Qc6 42. e7 Re8 43. Qxd4 Kf7 44. Qd3 b4 45. Qd4 Rxe7 46. Rxe7+ Kxe7 47. Qxb4+ Kf7 48. Qd4 Kg8 49. Kf2 Kf7 50. g3 Kg8 51. Qc4+ Qxc4 52. bxc4 Kf7 53. Ke3 Kf6 54. Kd4 h6 55. Kd5 g5 56. Kd6 gxf4 57. gxf4 h5 58. c5 h4 59. c6 h3 60. c7 h2 61. c8=Q h1=Q 62. Qf8+ Kg6 63. Qg8+ Kf6 64. Qg5+ Kf7 65. Qxf5+ Kg7 66. Qe5+ Kf8 67. Qxc3 Qh6+ 68. Kd5 Qh5+ 69. Qe5 Qf7+ 70. Kc6 Qa2 71. Qc5+ Kg7 72. c4 Qa6+ 73. Kd7 Qb7+ 74. Qc7 Qa6 75. Qe5+ Kh7 76. Qe6 Qb7+ 77. Ke8 Qb8+ 78. Ke7 Qc7+ 79. Kf8 Qd8+ 80. Qe8 Qa5 81. Qf7+ Kh6 82. Qf6+ Kh5 83. Qe5+ CHECK!

[ 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 79... Qg7.

Black to play and win.

Live Chess, Chess.com
Analysis of kyaw333 (1603) vs. john2001plus (1799)

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. g3 Bb4+ 4. Nd2 O-O 5. a3 Be7 6. Qc2 c5 7. dxc5 Bxc5 8. e3 Nc6 9. Bg2 Qb6 10. Nh3 Bxe3 11. fxe3 Qxe3+ 12. Kf1 Nd4 13. Qd1 Qd3+ 14. Kg1 Ne2+ 15. Kf2 Ng4+ 16. Ke1 Nd4 17. Be4 Qe3+ 18. Kf1 f5 19. Bf3 Qd3+ 20. Kg1 Nc2 21. Bxg4 Qd4+ 22. Nf2 fxg4 23. Nde4 Qxd1+ 24. Nxd1 Nxa1

[ 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.

Live Chess, Chess.com
Analysis of chessnerdbird (1392) vs. john2001plus (1845)

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

(black to move) 1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 f6 7. b4 fxe5 8. dxc5 Qc7 9. Bb5 Bd7 10. O-O e4 11. Nd4 Nf6 12. Bxc6 bxc6 13. Bg5 Qe5 14. Bxf6 gxf6 15. Re1 O-O-O 16. Nd2 Qg5 17. Qa4 Kb7 18. b5 cxb5 19. Rab1 a6 20. c6+ Bxc6 21. Nxc6 Rg8 22. Rxb5+ axb5 23. Qxb5+ Kc7 24. g3 Bd6 25. Nxd8 Rxd8 26. Rb1 Rc8 27. Qb7+ Kd8 28. Qb6+ Ke7 29. Qb7+ Rc7 30. Qb5 e3 31. Nf3 exf2+ 32. Kxf2 Qf5 33. Kg2 Rxc3 34. Nd2 Rc2 35. Rb2 h5 36. Rxc2 Qxc2 37. Qa5 Kf7 38. Kf2 Bxa3 39. Qxa3 Qxd2+

[ 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