White to play and mate in 3.

Greenwood Indiana Chess Club, Chess.com
Analysis of Greg+John vs. tChess set to level 1700

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

(white to move) 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bf3 O-O 7. Nge2 c5 8. O-O cxd4 9. Qxd4 Qxd4 10. Nxd4 Bxc3 11. bxc3 e5 12. Nb5 Nc6 13. Re1 Bg4 14. Bxc6 bxc6 15. Nd6 Rfd8 16. Ba3 Nd7 17. c4 Rab8 18. c5 Be6 19. c4 f6 20. Rad1 a5 21. Rd2 Bg4 22. f3 Be6 23. f4 a4 24. f5 Bf7 25. h3 Nf8 26. Red1 Bh5 27. g4 Be8 28. Nxe8 Rxe8 29. Rd6 Rec8 30. Kf2 Rc7 31. Ke3 Rbb7 32. Rd1d3 Nd7 33. Ke4 g6 34. h4 Kf8 35. g5 gxf5+ 36. Kxf5 fxg5 37. hxg5 Kg8 38. Rd2 Kf8 39. Ke6 Ke8 40. Rd1 Kd8 41. g6 Kc8 42. g7 Nxc5+ 43. Bxc5 Re7+ 44. Kf5 Rxg7 45. Rd8+ Kc7 46. Kf6 Rb8 47. Bb6+ Rxb6 48. Kxg7 Rb4 49. Rd1d7+ Kb6 50. Rb8+ Kc5 51. Rxb4 Kxb4 52. Kf6 e4 53. Ke5 e3 54. Kd4 e2 55. Rb7+ Ka3 56. Re7 Kxa2 57. Kc3 e1=Q+ 58. Rxe1 h5 59. c5 h4 60. Re3 Kb1 61. Rh3 a3 62. Rh2 h3 63. Rxh3 Ka2 64. Kc2 Ka1 65. Rxa3#

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White to force mate.

Greenwood Indiana Chess Club, Chess.com
Analysis of Greg+John vs. tChess set to level 1700

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

(white to move) 1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd3 dxe4 5. Bxe4 Nf6 6. Bf3 O-O 7. Nge2 c5 8. O-O cxd4 9. Qxd4 Qxd4 10. Nxd4 Bxc3 11. bxc3 e5 12. Nb5 Nc6 13. Re1 Bg4 14. Bxc6 bxc6 15. Nd6 Rfd8 16. Ba3 Nd7 17. c4 Rab8 18. c5 Be6 19. c4 f6 20. Rad1 a5 21. Rd2 Bg4 22. f3 Be6 23. f4 a4 24. f5 Bf7 25. h3 Nf8 26. Red1 Bh5 27. g4 Be8 28. Nxe8 Rxe8 29. Rd6 Rec8 30. Kf2 Rc7 31. Ke3 Rbb7 32. Rd1d3 Nd7 33. Ke4 g6 34. h4 Kf8 35. g5 gxf5+ 36. Kxf5 fxg5 37. hxg5 Kg8 38. Rd2 Kf8 39. Ke6 Ke8 40. Rd1 Kd8 41. Rf1 Ke8 42. Rh1 Kf8 43. Kf5 Kg8 44. g6 hxg6+ 45. Rxg6+ Kf8 46. Rh8+ Kf7 47. Rh7+ Kf8 48. Ke6 Nxc5+ 49. Bxc5+ Re7+ 50. Kf6 Ke8 51. Rg8+ Kd7 52. Rxe7#

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What is the best line for White?

?, ?
Analysis of Greg+John vs. tChess set to level 1700

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

(white to move) 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Nbd7 6. Be2 Bd6 7. O-O O-O 8. c5 Bc7 9. b4 b6 10. Bd2 a5 11. a3 axb4 12. axb4 Rxa1 13. Qxa1 Bb7 14. Qa7 Qb8 15. Ra1 Ng4 16. g3 Qxa7 17. Rxa7 Rb8 18. h3 Ngf6 19. Bd3 bxc5 20. bxc5 e5 21. Ba6 Bxa6 22. Rxa6 e4 23. Ne1 Rb2 24. Bc1 Rb3 25. Ne2 Ne8 26. Kg2 Nb8 27. Ra7 f6 28. Nc2 Nd7 29. Ba3 Rb1 30. Nb4 Nb8 31. Na6 Nxa6 32. Rxa6 Ra1 33. Ra8 Kf7 34. Nf4 g5 35. Ne6 Kxe6 36. Rxe8+ Kd7 37. Rf8 Rxa3 38. Rf7+ Kd8 39. Rxf6 Ra6 40. Rh6 Ke8 41. Rxh7 Bd8 42. h4 gxh4 43. gxh4

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What is the best plan for Black?

ICC tourney 1156 (12 3), Internet Chess Club
Analysis of Tampa-Chess (1718) vs. yoshi (1714)

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

(black to move) 1. e4 e6 2. d3 d5 3. Nd2 Nf6 4. g3 dxe4 5. dxe4 e5 6. Bg2 Bc5 7. Ngf3 Nc6 8. O-O O-O 9. Qe2 a5 10. c3 Qe7 11. Nb3 Ba7 12. a4 Be6 13. Nbd2 Nd7 14. Nc4 f6 15. Rd1 Qf7 16. Ne3 Bb3 17. Re1 Nc5 18. Nd2 Be6 19. Rd1 Rfd8 20. Bf3 Rd7 21. Bg4 Bxg4 22. Qxg4 Rad8

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	- Bishop
	- Knight

White to play and win.

ICC tourney 1154 (12 3), Internet Chess Club
Analysis of yoshi (1705) vs. Slypawn (1564)

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

(white to move) 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. f4 Nd5 13. Nxd5 exd5 14. Bd3 Qh4 15. Kg2 Be4+ 16. Bxe4 dxe4 17. Nxd7 Kxd7 18. Bd2 Bd6 19. g5 g6 20. Qb3 Kc8 21. Ba5 Rf8 22. Rac1 Bc7 23. Bb4 Rd8 24. Qxf7 Kb8 25. Be7 Rc8 26. d5 a5 27. d6 Bb6 28. d7 Rd8 29. Bxd8 Bxd8 30. b4 axb4 31. Qf8 Ka7 32. Qxb4 Qh5 33. Rf2 Bc7 34. Rb1 b6 35. Qxe4 Bd8 36. Qxc6 Rb8 37. a5 b5 38. Rxb5 Rxb5 39. Qxb5 Qd1 40. Rb2

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Pawn promotion:
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White to play and mate in 7.

ICC tourney 1154 (12 3), Internet Chess Club
Analysis of yoshi (1705) vs. Slypawn (1564)

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

(white to move) 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. f4 Nd5 13. Nxd5 exd5 14. Bd3 Qh4 15. Kg2 Be4+ 16. Bxe4 dxe4 17. Nxd7 Kxd7 18. Bd2 Bd6 19. g5 g6 20. Qb3 Kc8 21. Ba5 Rf8 22. Rac1 Bc7 23. Bb4 Rd8 24. Qxf7 Kb8 25. Be7 Rc8 26. d5 a5 27. d6 Bb6 28. d7 Rd8 29. Bxd8 Bxd8 30. b4 axb4 31. Qf8 Ka7 32. Qxb4 Qh5 33. Rf2 Bc7 34. Rb1 b6 35. Qxe4 Kb7 36. Rc1 Bd8 37. Qxc6+ Kb8 38. Rb1 Ra6 39. Qc8+ Ka7 40. Qxd8 Kb7 41. Qc8+ Ka7 42. Qc7+

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Pawn promotion:
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	- Rook
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	- Knight

White to play and mate in 5.

ICC tourney 1154 (12 3), Internet Chess Club
Analysis of yoshi (1705) vs. Slypawn (1564)

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

(white to move) 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. f4 Nd5 13. Nxd5 exd5 14. Bd3 Qh4 15. Kg2 Be4+ 16. Bxe4 dxe4 17. Nxd7 Kxd7 18. Bd2 Bd6 19. g5 g6 20. Qb3 Kc8 21. Ba5 Rf8 22. Rac1 Bc7 23. Bb4 Rd8 24. Qxf7 Kb8 25. Be7 Rc8 26. d5 a5 27. d6 Bb6 28. d7 Rd8 29. Bxd8 Bxd8 30. b4 axb4 31. Qf8 Ka7 32. Qxb4 Qh5 33. Rf2 Bc7 34. Rb1 b6 35. Qxe4 Kb7 36. Rc1 Bd8 37. Qxc6+ Ka7 38. a5 b5 39. Qd6 Kb7 40. Rc8 Rxc8 41. a6+ Ka7 42. dxc8=N+ Ka8 43. Qc6+ Kb8 44. Qb7#

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Pawn promotion:
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	- Rook
	- Bishop
	- Knight

White to play and mate in 4.

ICC tourney 1154 (12 3), Internet Chess Club
Analysis of yoshi (1705) vs. Slypawn (1564)

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

(white to move) 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. f4 Nd5 13. Nxd5 exd5 14. Bd3 Qh4 15. Kg2 Be4+ 16. Bxe4 dxe4 17. Nxd7 Kxd7 18. Bd2 Bd6 19. g5 g6 20. Qb3 Kc8 21. Ba5 Rf8 22. Rac1 Bc7 23. Bb4 Rd8 24. Qxf7 Kb8 25. Be7 Rc8 26. d5 a5 27. d6 Bb6 28. d7 Rd8 29. Bxd8 Bxd8 30. b4 axb4 31. Qf8 Ka7 32. Qxb4 Qh5 33. Rf2 Bc7 34. Rb1 b6 35. Qxe4 Kb7 36. Rc1 Bd8 37. Qxc6+ Ka7 38. a5 b5 39. Qd6 Rb8 40. Rc8 Rb7 41. Qc5+ Bb6 42. axb6+ Rxb6 43. Ra2+ Kb7 44. Qc7#

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Pawn promotion:
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	- Rook
	- Bishop
	- Knight

White to play and mate in 4.

ICC tourney 1154 (12 3), Internet Chess Club
Analysis of yoshi (1705) vs. Slypawn (1564)

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

(white to move) 1. Nf3 d5 2. d4 c6 3. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. f4 Nd5 13. Nxd5 exd5 14. Bd3 Qh4 15. Kg2 Be4+ 16. Bxe4 dxe4 17. Nxd7 Kxd7 18. Bd2 Bd6 19. g5 g6 20. Qb3 Kc8 21. Ba5 Rf8 22. Rac1 Bc7 23. Bb4 Rd8 24. Qxf7 Kb8 25. Be7 Rc8 26. d5 a5 27. d6 Bb6 28. d7 Rd8 29. Bxd8 Bxd8 30. b4 axb4 31. Qf8 Ka7 32. Qxb4 Rb8 33. Rc5 b6 34. Rxc6 Rb7 35. a5 Qh5 36. axb6+ Rxb6 37. Qa5+ Kb7 38. Rxb6+ Bxb6 39. Qxb6+ Kxb6 40. d8=Q+ Kb5 41. Rb1+ Kc5 42. Qc7+ Kd5 43. Rb5+ Ke6 44. Re5#

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Pawn promotion:
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	- Knight

Easy win.

ICC tourney 1154 (12 3), Internet Chess Club
Analysis of yoshi (1705) vs. Slypawn (1564)

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. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. f4 Nd5 13. Nxd5 exd5 14. Bd3 Qh4 15. Kg2 Be4+ 16. Bxe4 dxe4 17. Nxd7 Kxd7 18. Qb3 Qe7 19. d5 c5 20. Bd2 a5 21. Rfd1 Qd6 22. Bxb4 axb4 23. Qc4 h5 24. g5 f6 25. Qb5+ Kc7 26. Rdc1 b6 27. a5 fxg5 28. axb6+ Kb7 29. Rxa8 Rxa8 30. Rxc5 Rc8 31. Rxc8 Kxc8 32. Qa6+ Kd8 33. Qa5 Qb8 34. b7+ Kd7 35. Qa8 Kc7 36. d6+

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White to play and win.

ICC tourney 1154 (12 3), Internet Chess Club
Analysis of yoshi (1705) vs. Slypawn (1564)

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. c4 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O Bg4 9. h3 Bh5 10. g4 Bg6 11. Ne5 Nbd7 12. f4 Nd5 13. Nxd5 exd5 14. Bd3 Qh4 15. Kg2 Be4+ 16. Bxe4 dxe4 17. Nxd7 Kxd7 18. Qb3 Qe7 19. d5 c5 20. Bd2 a5 21. Bc3 h5 22. g5 f6 23. h4 fxg5 24. fxg5 Rhf8 25. Qc4 Qd6 26. Bxg7 Rf3 27. Rxf3 exf3+ 28. Kxf3 Qh2 29. Qb5+ Kc7 30. Qe2 Qxh4 31. Be5+ Kb6 32. Qg2 Rf8+ 33. Bf4

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Black to play and win.

Live Chess, Chess.com
gwchan (1710) vs. AragornKingOfGondor (1499)

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 g6 3. Nc3 d5 4. e3 Bg7 5. Nf3 Bg4 6. cxd5 Nxd5 7. Be2 Nxc3 8. bxc3 c5 9. h3 Bf5 10. O-O O-O 11. Qb3 Be4 12. Ng5 Bd5 13. Bc4 Bxc4 14. Qxc4 cxd4 15. cxd4 Nc6 16. Ba3 Qa5 17. Qc5 Qxc5 18. Bxc5 b6 19. Ba3 Rfe8 20. Rac1 Rac8 21. Rc2 e5 22. Rfc1 Ne7 23. Nf3 exd4 24. Nxd4 Rxc2 25. Rxc2 Nd5 26. Rc6 Bxd4 27. exd4 Re2 28. Rc8+ Kg7 29. Bf8+ Kf6 30. Rd8 Nc3 31. Rd6+ Re6 32. Rd7 Nxa2 33. Rxa7 Nc3 34. Rd7 Re4 35. Bh6 Ne2+ 36. Kh2 Nxd4 37. Rd6+ Re6 38. Rxe6+ Nxe6 39. Be3 b5 40. Kg3 Kf5 41. f3 Ke5 42. Kf2 Kd5 43. Ke2 Kc4 44. Kd2 Nd4 45. h4 b4 46. Kc1 Kc3 47. Bd2+ Kb3 48. Be3 Ne2+ 49. Kb1 Nc3+ 50. Kc1 Ka2 51. Bd2 Ne2+ 52. Kd1 b3

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Click here for 50. Ka1

Play to play and win.

Live Chess, Chess.com
Analysis of elzaim (1560) vs. phanhuy18 (1200)

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

(black to move) 1. e4 e6 2. d4 c5 3. c3 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nf3 Bb4+ 7. Nc3 Qb6 8. Be3 Nge7 9. a3 Bxc3+ 10. bxc3 Qa5 11. Qc2 Nf5 12. Bd3 Nxe3 13. fxe3 h6 14. O-O Qd8 15. e4 Ne7 16. Rab1 b6 17. Bb5+ Bd7 18. Qa4 Bxb5 19. Qxb5+ Qd7 20. exd5 Nxd5 21. c4 Qxb5 22. Rxb5 Ne3 23. Rc1 O-O 24. h3 Rac8 25. Nd2 Rfd8 26. Nf3 Nxc4 27. Rb3 Nd2 28. Rxc8 Nxf3+ 29. Rxf3 Rxc8 30. Kf2 Kf8 31. Kg3 Ke7 32. Kf4 Rc4 33. Ke4 a5 34. Kd3 Rc1 35. Kd2 Ra1 36. g4 f6 37. exf6+ gxf6 38. Re3 b5 39. Kc2 Rh1 40. Kb3 Kd6 41. a4 b4 42. Kc4 Rd1 43. Kb5 Rxd4 44. Kxa5 Kc5 45. Rxe6 b3 46. Rxf6 Kc4 47. Rc6+ Kd3 48. Rxh6 Rb4 49. Rd6+ Ke2 50. Re6+ Kf2 51. Rf6+ Kg2 52. Re6 b2 53. Re1 b1=R 54. Rxb1 Rxb1 55. g5 Kf3 56. Ka6 Ke4 57. h4 Kd5 58. h5 Kc6 59. h6 Rb6+ 60. Ka7 Rb4 61. h7 Rb7+ 62. Ka8 Rxh7 63. a5 Rg7 64. g6 Kc7 65. Ka7 Rxg6 66. a6 Rb6 67. Ka8 Rxa6#

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Click here for 64. a6

White to play and win.

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Analysis of elzaim (1560) vs. phanhuy18 (1200)

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

(white to move) 1. e4 e6 2. d4 c5 3. c3 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nf3 Bb4+ 7. Nc3 Qb6 8. Be3 Nge7 9. a3 Bxc3+ 10. bxc3 Qa5 11. Qc2 Nf5 12. Bd3 Nxe3 13. fxe3 h6 14. O-O Qd8 15. e4 Ne7 16. Rab1 b6 17. Bb5+ Bd7 18. Qa4 Bxb5 19. Qxb5+ Qd7 20. exd5 Nxd5 21. c4 Qxb5 22. Rxb5 Ne3 23. Rc1 O-O 24. h3 Rac8 25. Nd2 Rfd8 26. Nf3 Nxc4 27. Rb3 Nd2 28. Rxc8 Nxf3+ 29. Rxf3 Rxc8 30. Kf2 Kf8 31. Kg3 Ke7 32. Kf4 Rc4 33. Ke4 a5 34. Kd3 Rc1 35. Kd2 Ra1 36. g4 f6 37. exf6+ gxf6 38. Re3 b5 39. Kc2 Rh1 40. Kb3 Kd6 41. a4 b4 42. Kc4 Rd1 43. Kb5 Rxd4 44. Kxa5 Kc5 45. Rxe6 b3 46. Rxf6 Kc4 47. Rc6+ Kd3 48. Rxh6 Rb4 49. Rd6+ Ke2 50. Re6+ Kf2 51. Rf6+ Kg2 52. Re6 b2 53. Re1 b1=R 54. Rxb1 Rxb1 55. g5 Kf3 56. Ka6 Ke4 57. h4 Kd5 58. h5 Kc6 59. h6 Rb6+ 60. Ka7 Rb4 61. a5 Rb5 62. g6 Rxa5+ 63. Kb8 Rf5 64. g7 Rb5+ 65. Kc8 Ra5 66. Kd8 Ra8+ 67. Ke7 Rg8 68. Kf7

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	- Knight