White to play and win.

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

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

(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. Ra8 f5 38. Ra7 h5 39. Kh2 h4 40. Kg2 hxg3 41. fxg3 Ra2+ 42. Kf1 Rh2 43. Bb4 Kc8 44. Be1 Rxh3 45. Kg2 g4 46. Bf2 Kd8 47. Ra8+ Kd7 48. Rf8 Ke6 49. Rc8 Rh7 50. Re8+ Kd7 51. Rf8 Rh5 52. Be1 Bd8 53. Rf7+ Be7 54. Ba5 Ke6 55. Rg7 Rh8 56. Rg6+ Kd7 57. Rg7 Rh3 58. Bc7 Kxc7 59. Rxe7+ Kd8 60. Rf7 Rh5 61. Rf6 Kd7 62. Rf7+ Kc8 63. Rf6 Kb7 64. Rf7+ Ka6 65. Rf6 Kb5 66. Kg1 Rh3 67. Kg2 Kc4 68. Rxc6 f4 69. gxf4 Rxe3 70. Re6 Rc3 71. f5 Kxd4 72. c6 g3 73. f6 Kc4 74. f7 Rc2+ 75. Kxg3 Rc3+ 76. Kg4 Rf3 77. c7 Rxf7 78. c8=Q+ Kd4 79. Rd6 Rg7+ 80. Kh5 Rh7+ 81. Kg6 Re7 82. Qf5 Re5 83. Qf6 e3 84. Re6 Kd3 85. Qxe5 d4 86. Rd6 Ke2 87. Rxd4 Kf2 88. Re4 Kf1 89. Rxe3 Kg1 90. Qg3+ Kh1 91. Re1#

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Analysis of john2001plus (1618) vs. Xen1227 (1877)

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

(white to move) 1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Be7 5. Bg5 O-O 6. e3 h6 7. Bh4 Nbd7 8. Bd3 dxc4 9. Bxc4 a6 10. O-O Re8 11. e4 b5 12. Bd3 c5 13. d5 c4 14. Bc2 exd5 15. e5 Ng4 16. Bxe7 Qxe7 17. Nxd5 Qc5 18. h3 Ngxe5 19. Re1 Bb7 20. Be4 Nxf3+ 21. Qxf3 Bxd5 22. Bxd5 Ne5 23. Rxe5 Rxe5 24. Bxf7+ Kf8 25. Be6+ Rf5 26. Bxf5 Rd8 27. Be6+ Ke7 28. Qf7+ Kd6 29. Rd1+ Kc6 30. Rxd8

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White to play for an advantage.

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Analysis of john2001plus (1843) vs. yashom (1440)

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 c5 3. c4 e6 4. cxd5 exd5 5. Nc3 Nf6 6. e3 Nc6 7. Be2 Be7 8. O-O O-O 9. b3 cxd4 10. exd4 Bb4 11. Bd2 Bd6 12. Bg5 h6 13. Bxf6 Qxf6 14. Nxd5 Qg6 15. Ne3 Qh5 16. Ne5 Qh4 17. g3 Qf6 18. Nxc6 bxc6 19. Rc1 Ba3 20. Rc4 Rd8 21. Qc2 Rxd4 22. Rxd4 Qxd4 23. Qxc6 Rb8 24. Qe8+ Kh7 25. Rd1 Qf6 26. Rd8 Ba6 27. Qg8+ Kg6 28. Bh5+ Kxh5 29. Rd5+ Kg6 30. Qxb8

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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 +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 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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Click here for 37. Ra1+
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An 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+ Qxb6 29. Rxc5+ Kb7 30. Qd7+ Kb8 31. Rb5 Qxb5 32. Qxb5+ Kc7 33. Qc6+ Kd8 34. Rxa8+ Ke7 35. Qe6#

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Black to play and win.

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

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 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 Rd8 46. Ra6 b3 47. Ra7 b2 48. Rc7+ Kd5 49. Rb7 Ra8+ 50. Kb6 b1=Q+ 51. Kc7 Qc2+ 52. Kb6 Qc5#

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Black to play and win.

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

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 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 b2 47. Rf1 Rd8 48. Rf5+ Kc4 49. Rf4+ Kc3 50. Rf3+ Kc2 51. Rf2+ Rd2 52. Rf1 b1=Q 53. Rxb1 Kxb1 54. Kb6 Rh2 55. a5 Rxh3 56. a6 Ra3 57. a7 Kc2 CHECK!

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Black to play and win.

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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. Ka6 Rxh7 63. a5 Rg7 64. g6 Rxg6 65. Ka7 Kc7 66. a6 Rh6 67. Ka8 Rxa6#

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Click here for 63. Ka5
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Click here for 62. Ka8

White to play and win.

ICC tourney 1152 (12 3), Internet Chess Club
Analysis of yoshi (1683) vs. ChessFalcon (1405)

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

(white to move) 1. Nf3 c5 2. e4 d6 3. c3 Nf6 4. Be2 Bd7 5. Qc2 Nc6 6. O-O e6 7. Re1 Be7 8. d4 cxd4 9. cxd4 Rc8 10. Nc3 O-O 11. Bg5 Qb6 12. Rad1 Nb4 13. Qb3 h6 14. Bh4 g5 15. Bg3 d5 16. Ne5 Be8 17. a3 Na6 18. Qxb6 axb6 19. exd5 exd5 20. Ng4 Kg7 21. Be5 Rd8 22. Ne3 Rg8 23. Nexd5 Rd7 24. Nxe7 Rxe7 25. Bxf6+ Kxf6 26. Nd5+ Ke6 27. Bf3+

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What is the best move for Black?

ICC tourney 1152 (12 3), Internet Chess Club
Analysis of yoshi (1683) vs. ChessFalcon (1405)

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

(black to move) 1. Nf3 c5 2. e4 d6 3. c3 Nf6 4. Be2 Bd7 5. Qc2 Nc6 6. O-O e6 7. Re1 Be7 8. d4 cxd4 9. cxd4 Rc8 10. Nc3 O-O 11. Bg5 Qb6 12. Rad1 Nb4 13. Qb3 h6 14. Bh4 g5 15. Bg3 d5 16. Ne5 Be8 17. a3 Na6 18. Qxb6 axb6 19. exd5 exd5 20. Bf3 Bxa3 21. Nxd5 Nxd5 22. Bxd5 Bb4 23. Re3 Rd8 24. Bxb7 Nc5

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Click here for 23. Bxb7

Find the best plan

ICC tourney 1152 (12 3), Internet Chess Club
Analysis of yoshi (1707) vs. BIRDSMAN (1101)

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

(white to move) 1. Nf3 c5 2. e4 Nc6 3. c3 e5 4. Bc4 Be7 5. O-O Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d6 9. Nc3 a6 10. dxe5 dxe5 11. Bg5 h6 12. Bxf6 Bxf6 13. Nd5 Be6 14. Rc1 Bg4 15. h3 Bxf3 16. Qxf3 Bg5 17. Rcd1 Nd4 18. Qg3 b5 19. Bd3 Qd6 20. h4 Be7 21. Ra1 Rab8 22. b4 Nc6 23. Reb1 Qd8 24. h5 Bh4 25. Qh3 Bg5 26. a4 Nd4 27. axb5 axb5 28. Ra7 Ra8 29. Rba1 Rxa7 30. Rxa7

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Analysis

ICC tourney 1152 (12 3), Internet Chess Club
Analysis of yoshi (1707) vs. BIRDSMAN (1101)

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

(white to move) 1. Nf3 c5 2. e4 Nc6 3. c3 e5 4. Bc4 Be7 5. O-O Nf6 6. Re1 O-O 7. d4 cxd4 8. cxd4 d6 9. d5 Nb8 10. h3 Qc7 11. Bf1

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Click here for 9... Na5

White to play and win.

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Analysis of Ziggy_Kalashnikov (1897) vs. john2001plus (1863)

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

(white to move) 1. e4 e6 2. d3 d5 3. Nd2 Nc6 4. Ngf3 Bc5 5. c3 dxe4 6. Nxe4 Be7 7. g3 e5 8. Bg2 Nf6 9. O-O Nxe4 10. dxe4 Bg4 11. Qa4 O-O 12. Be3 Qd7 13. Rfd1 Qe6 14. Rd5 a6 15. Rad1 h6 16. Qb3 b5 17. Bc5 Qf6 18. Bxe7 Nxe7 19. Rd5d3 Nc6 20. h3 Be6 21. Qc2 Rfd8 22. b3 Rxd3 23. Rxd3 Rd8 24. Ne1 Rxd3 25. Nxd3 Qe7 26. b4 a5 27. a3 axb4 28. axb4 Bc4 29. Nc5 Qd6 30. Bf1 Bxf1 31. Kxf1 Nd8 32. Ke2 Ne6 33. Nxe6 Qxe6 34. Qd3 Qc4 35. Qxc4 bxc4 36. Kd2 Kf8 37. Kc2 Ke7 38. Kb2 f5 39. exf5 Kf6 40. Kc2 Kxf5 41. Kd2 Ke4 42. Ke2 g5 43. f3+ Kd5 44. Ke3 h5 45. h4 gxh4 46. gxh4 Kd6 47. Ke4 Ke6 48. f4 exf4 49. Kxf4 Kf6 50. b5 Kg6 51. Ke5

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	- Knight