White to play for a slight advantage

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Black to play

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Black to play and win

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Analysis of WilliamRDavis (1665) vs. john2001plus (1737), 900+10

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

(black to move) 1. d4 Nf6 2. Nf3 e6 3. Nbd2 d5 4. e3 c5 5. c3 Be7 6. Bd3 O-O 7. O-O Nc6 8. dxc5 Bxc5 9. e4 Qc7 10. exd5 exd5 11. Nb3 Bb6 12. Bg5 Ne4 13. Bh4 Bg4 14. h3 Bh5 15. g4 Bg6 16. Kg2 Rae8 17. Rc1 Qf4 18. Nbd4 f5 19. Bg3 Nxg3 20. fxg3 Qd6 21. gxf5 Bc7 22. Ne2 Bxf5 23. Nf4 Bxh3+ 24. Kxh3 Rxf4 25. Bxh7+ Kh8 26. gxf4 Qxf4 27. Kg2 Qg3+ 28. Kh1 Qh3+ 29. Kg1 Bb6+ 30. Rf2 Qg3+ 31. Kh1 Bxf2 32. Qxd5 Qh3+ 33. Nh2 Kxh7

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White to play and win

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Analysis of john2001plus (1769) vs. ari_O (1880)

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

(white to move) 1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. Nc3 O-O 5. Bg5 c5 6. d5 Qa5 7. Bd2 a6 8. e4 d6 9. h3 Bd7 10. a4 Qc7 11. Bd3 Qc8 12. a5 Re8 13. O-O Bxh3 14. e5 Qg4 15. Ne1 dxe5 16. Be2 Qh4 17. Nf3 Qh5 18. gxh3 Qxh3 19. Ng5 Qf5 20. Nce4 Nbd7 21. f4 Nxe4 22. Bg4 Qxg4+ 23. Qxg4 Nxd2 24. Rfd1 Nf6 25. Qh4 Nb3 26. Ra3 Nd4 27. fxe5 Nh5 28. Rxd4 cxd4 29. Qxd4 h6 30. Nf3 Ng3 31. Kg2 Nf5 32. Qb6 Rab8 33. e6 f6 34. Nd4 Nd6 35. Ra4 f5 36. c5 Bxd4 37. Rxd4 Nb5 38. Rb4 g5 39. d6 exd6 40. Rxb5 axb5 41. cxd6 Rxe6 42. a6 Ree8 43. a7 Ra8 44. d7 Red8 45. Qg6+ Kf8 46. Qf6+ Kg8 47. Qxf5 Kg7 48. Qe6 h5 49. b4 b6 50. Kf3 Rf8+ 51. Ke4 g4 52. Qxb6 Rfd8 53. Qxb5 g3 54. Qg5+ Kf7 55. Qf5+ Kg7 56. Ke5 g2 57. Qg5+ Kf8 58. Qxg2 Kf7 59. Qf3+ Ke7 60. Qd5 Rxa7 61. Qd6+ Kf7 62. Qf6+

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Click here for 58... Rxa7

White to play

ICC tourney 1199 (12 3), Internet Chess Club
analysis of yoshi (1700) vs. StrayLight (1323)

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

(white to move) 1. Nf3 e6 2. d4 f5 3. c4 Nf6 4. Nc3 Be7 5. g3 O-O 6. Bg2 d6 7. O-O a5 8. Qc2 Nc6 9. a3 e5 10. d5 Nb8 11. e4 f4 12. gxf4 exf4 13. Bxf4 Nh5 14. Be3 Qe8 15. e5 Bf5 16. Qd2 Qg6 17. Kh1 Bg4 18. exd6 Bxd6 19. Nh4 Qf6 20. Bg5 Qe5 21. f4 Nxf4 22. Bxf4 Rxf4 23. Rxf4 g5 24. Raf1 gxf4 25. Bf3 Bxf3+ 26. Nxf3 Qf5 27. Rg1+ Kf7 28. Qg2 Na6 29. Qg7+ Ke8 30. Re1+ Kd8 31. Ne4 Be7 32. Nd4 Qg6 33. Ne6+ Kd7 34. Ne4c5+ Nxc5 35. Nxc5+ Kc8 36. Qxe7 Qd6 37. Qxd6 cxd6 38. Re8+ Kc7 39. Ne6+

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Click here for 33... Kc8
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Black to play for a win

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Analysis of busygin (2132) vs. john2001plus (1771)

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

(black to move) 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. c3 cxd4 5. cxd4 Nc6 6. e3 Qb6 7. Qb3 Na5 8. Qxb6 axb6 9. Nc3 Bb4 10. Bd3 Nb3 11. Rb1 Rxa2 12. O-O Ra8 13. Bc2 Na5 14. Na4 Nd5 15. Bg3 b5 16. e4 bxa4 17. exd5 O-O 18. dxe6 dxe6 19. Bxa4 Nc4 20. Bb5 Nd6 21. Bd3 Bd7 22. Ne5 Bb5 23. Ra1 f6 24. Bxb5 Nxb5 25. Nf3 Rxa1 26. Rxa1 Rd8 27. Ra4 Nxd4 28. Rxb4 Nc2 29. Re4 Rd1+ 30. Ne1 Nxe1 31. Kf1 Nc2+ 32. Ke2 Re1+ 33. Kd3 Rxe4 34. Kxe4 f5+ 35. Ke5 Kf7 36. Kd6 Ne1 37. b4 Nd3 38. b5 h6 39. h4 g5 40. Kc7 f4 41. Bh2 Nxf2 42. Kxb7 e5 43. hxg5 hxg5 44. Kc6 e4 45. b6 e3 46. b7 e2 47. b8=Q e1=Q 48. Qh8 Qe6+ 49. Kb5 Qd5+ 50. Kb6 Qf5 51. Qd4 Ng4 52. Bg1 Ne3 53. Bxe3 fxe3 54. Qxe3 Qe6+ 55. Qxe6+ Kxe6 56. Kc5 Ke5 57. Kc4 Ke4 58. Kc3 Ke3 59. g4 Kf4 60. Kd3 Kxg4 61. Ke2 Kg3

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Black to play and win

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Analysis of p0nZi (1677) vs. john2001plus (1779)

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. Bd3 cxd4 7. cxd4 Bd7 8. Bc2 Nb4 9. Bb3 Bb5 10. Nc3 Nd3+ 11. Kd2 Nxf2 12. Qc2 Bd3 13. Ba4+ Kd8 14. Qb3 Bb4 15. Rg1 Bc4 16. Qc2 Nh6 17. a3 Nf5 18. axb4 Nxd4 19. Nxd4 Qxd4+ 20. Ke1 Nd3+ 21. Kf1 Nxc1+ 22. Ke1 Nd3+ 23. Kd1 Qxg1+ 24. Kd2 Qxg2+ 25. Ne2 Nxb4 26. Qd1 Qg5+ 27. Ke1 Nd3+ 28. Kf1 Nf4 29. Ke1 Nxe2 30. Bb3 Nc3 31. Qd4 Nb5 32. Qf2 Qxe5+ 33. Kd1 Bxb3+ 34. Kd2 Rc8 35. Rc1 Qxb2+ 36. Ke3 Qxc1+ 37. Kf3 Qh1+ 38. Kg3 Rc3+ 39. Kg4 Qe4+ 40. Qf4 Bd1+ 41. Kg5 h6+ 42. Kh4 Qxf4#

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Click here for 31. Qf3

White to play and win

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Analysis of john2001plus (1762) vs. taechess (1642)

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 d5 3. c4 c6 4. Nc3 Bf5 5. cxd5 cxd5 6. Qb3 Qd7 7. Ne5 Qc7 8. e4 Bd7 9. Bf4 Qb6 10. Qxb6 axb6 11. Nxd7 Nbxd7 12. e5 Ng8 13. Nxd5 Kd8 14. e6 fxe6 15. Nc7 Rc8 16. Nxe6+ Ke8 17. Bb5 Ngf6 18. O-O Rc2 19. b4 g6 20. Rfc1 Rb2 21. Ng5 e6 22. Rc8+ Ke7 23. Re1 e5 24. Bxe5 Bh6 25. Bc7+ Ne4 26. Rxe4+ Kf6 27. Bd8+ Rxd8 28. Nxh7+ Kf5 29. Bd3 Nf6 30. Re5+ Kf4 31. g3+ Kf3 32. Bf1 Be3 33. Rxe3+ Kg4 34. Re5 Rxf2 35. Kxf2 Ne4+ 36. Rxe4+ Kf5 37. Re5+

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Click here for 28... Kf7
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White to play and win

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Analysis of john2001plus vs. Gustafsson21

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 Nf6 3. c4 c6 4. Nc3 dxc4 5. Ne5 Bf5 6. f3 e6 7. e4 Bg6 8. Bxc4 Bb4 9. O-O Nbd7 10. Qb3 Bxc3 11. bxc3 O-O 12. Bg5 Rb8 13. Nxd7 Qxd7 14. Bxf6 gxf6 15. a4 f5 16. d5 e5 17. Rad1 c5 18. d6 a6 19. a5 f4 20. Qb6 Rfd8 21. Rd5 Kg7 22. Rfd1 f6 23. Rxc5 Rbc8 24. Rc7 Rxc7 25. Qxc7 Bf7 26. Kf2 Bxc4 27. Qxc4 Rc8 28. Qb4 Rc6 29. c4 Rc8 30. c5 Qc6 31. d7 Rd8 32. Rd6 Qc7 33. g3 Rxd7 34. Qb6 Kg8 35. Rxf6 Qxb6 36. cxb6 Rd2+ 37. Kg1 fxg3 38. hxg3 Ra2 39. Re6 Rxa5 40. Re7 Rb5 41. Rxb7 a5 42. Kg2 a4 43. f4 a3 44. Kf3 a2 45. Ra7 Rxb6 46. Rxa2 h5 47. fxe5 Kf7 48. Ra7+ Kg6 49. Kf4 Rb1 50. Ra6+ Kf7 51. Rh6 Rf1+ 52. Kg5 Rg1 53. e6+ Ke7 54. Kf4 Rh1 55. Kf5 Rf1+ 56. Ke5 Rh1 57. g4 h4 58. Rh7+ Kd8 59. e7+ Kd7 60. g5 Rg1 61. Kf6 Rf1+ 62. Kg7 Kxe7 63. g6 Rg1 64. Kh8+ Kf6 65. g7 CHECK!

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Click here for 58... Ke8

Black to play for a winning advantage

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Analysis of 5uckItTrebek (1817) vs. john2001plus (1848)

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

(black to move) 1. d4 Nf6 2. Bf4 c5 3. c3 cxd4 4. cxd4 Qb6 5. Nf3 Qxb2 6. Nbd2 Nc6 7. e3 Nb4 8. Rc1 Nfd5 9. Nc4 Qxa2 10. Bd3 Nxd3+ 11. Qxd3 b5 12. Nce5 Nb4 13. Qc3 e6 14. O-O f6 15. Nd3 a5 16. Nc5 Nd5 17. Qd3 Bxc5 18. Rxc5 O-O 19. Bd6 Re8 20. e4 Ne7 21. Rfc1 Ba6 22. Rc1c2 Qb1+ 23. Qf1 Qxf1+ 24. Kxf1 b4+ 25. Ke1 Bd3 26. Ra2 a4 27. Nd2 b3 28. Ra3 Nc6 29. Rc3 Bb5 30. Bc5 d6 31. Bxd6 Nxd4 32. Ra1 Rac8 33. Rac1 Nc2+ 34. Rc3xc2 Rxc2 35. Ba3 Rd8 36. Rd1 b2 37. Bxb2 Rxb2

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Click here for 22. Qd1.
Click here for 22. R5c2.

White to play and win

ICC tourney 1330 (12 3), Internet Chess Club
Analysis of yoshi (1727) vs. capatal1 (1362)

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

(white to move) 1. Nf3 Nf6 2. d4 d6 3. c4 c6 4. Nc3 Bg4 5. Bg5 Nbd7 6. e3 h6 7. Bh4 e6 8. h3 Bh5 9. Bd3 Be7 10. g4 Bg6 11. Bxg6 fxg6 12. Qc2 Kf7 13. O-O-O Nh7 14. Bg3 g5 15. d5 e5 16. dxc6 bxc6 17. Qf5+ Nhf6 18. Ne4 g6 19. Qe6+ Kg7 20. Nxe5 dxe5 21. Nxf6 Nc5 22. Nh5+ Kf8 23. Qxg6 Rg8 24. Qxh6+ Ke8 25. Qh7 Kf8 26. Bxe5 Qc8 27. Bg7+ Rxg7 28. Qxg7+ Ke8 29. Qg8+ Bf8 30. Qg6+ Ke7 31. Qxg5+ Kf7 32. Qf6+ Ke8 33. Qg6+ Ke7 34. Qh7+ Ke6 35. Nf4+ Kf6 36. g5+ Ke5 37. Ng6+ Ke6 38. Qg8+ Kf5 39. Nh4+ Ke5 40. Qh8+ Bg7 41. Qxg7+ Ke6 42. Qf6#

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Options:
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Pawn promotion:
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	- Bishop
	- Knight