Black to play and win

ICC tourney 1444 (12 3), Internet Chess Club
Analysis of IAlwaysWin (1624) vs. john2001plus (1773)

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. Nf3 b6 4. g3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 O-O 7. Bg2 Bb7 8. Nc3 d5 9. Ne5 Ne4 10. Nxe4 dxe4 11. Ng4 f5 12. Ne3 Nd7 13. O-O Nf6 14. Nc2 c5 15. Rfd1 Rc8 16. b3 Qe7 17. dxc5 Qxc5 18. Qd6 Rfd8 19. Qxc5 bxc5 20. Kf1 Ng4 21. h3 Ne5 22. Ke1 g5 23. Rxd8+ Rxd8 24. Rd1 Rxd1+ 25. Kxd1 Kf7 26. Kd2 f4 27. gxf4 gxf4 28. e3 Nd3 29. exf4 Nxf2 30. Ne3 Kf6 31. Kc3 Nd3 32. a3 Nxf4 33. b4 Ke5 34. bxc5 Bc6 35. Bf1 h5 36. Nc2 a5 37. Ne3 Kf6 38. Nc2 e5 39. Ne3 Kg5 40. Kd2 Kh4 41. Nf5+ Kg5 42. Ne7 Bd7 43. c6 Be6 44. c7 Nxh3 45. Bxh3 Bxh3 46. c8=Q Bxc8 47. Nxc8 Kf4 48. Ne7 e3+ 49. Ke2 h4 50. c5 h3 51. c6 h2 52. c7 h1=Q 53. c8=Q Qg2+ 54. Kd3 Qd2+ 55. Kc4 Qc2+

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Black to play and draw

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Analysis of Valbab (1926) vs. John2001plus (1700)

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. a3 f6 7. b4 fxe5 8. dxe5 Qc7 9. Bf4 Nge7 10. Bd3 Ng6 11. Bxg6+ hxg6 12. Qd3 Qf7 13. Bg3 Qf5 14. Qd2 b6 15. O-O Ba6 16. Re1 Rd8 17. Nh4 Qd3 18. Qg5 Be7 19. Qxg6+ Qxg6 20. Nxg6 Rh5 21. Nxe7 Kxe7 22. Nd2 d4 23. c4 cxb4 24. axb4 Bb7 25. Ne4 Nxe5 26. Rxa7 Rd7 27. c5 Bxe4 28. Rxd7+ Nxd7 29. Bd6+ Kf7 30. Rxe4 bxc5 31. bxc5 Nxc5 32. Rxd4 Nb3 33. Rd1 Rd5 34. Rxd5 exd5 35. f4 Ke6 36. Be5 g6 37. Kf2 Kf5 38. Ke3 d4+ 39. Bxd4 Nxd4 40. Kxd4 Kxf4 41. Kd3 g5 42. Ke2 Ke4 43. Kf2 Kf4 44. g3+ Kg4 45. Kg2 Kh5 46. h3 Kg6 47. Kf3 Kf5 48. Ke3 Ke5 49. Kf3 Kf5 50. g4+ Ke5 51. Kg3 Kf6 52. h4 gxh4+ 53. Kxh4 Kg6

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Click here for 46... g4.

Black to play and win

ICC tourney 1440 (12 3), Internet Chess Club
Analysis of Sherlocked (2062) vs. john2001plus (1727), 12+3

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

(white to move) 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 4. e3 e6 5. d4 d5 6. cxd5 exd5 7. Bb5 Bd6 8. Ne5 Qc7 9. f4 O-O 10. O-O cxd4 11. exd4 Be6 12. Be3 Qb6 13. Bxc6 bxc6 14. Na4 Qa5 15. a3 Bf5 16. Nxc6 Qc7 17. Ne5 Bc2 18. Rc1 Bxd1 19. Rxc7 Bxa4 20. Rcc1 Rac8 21. b4 Ne4 22. Nd3 Nc3 23. Rf2 Rfe8 24. Re1 Nd1 25. Rf3 Rc3 26. Bd2 Rxa3

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White to play for a winning advantage

ICC 30 0 u, Internet Chess Club
Analysis of fiddler (1735) vs. john2001plus (1825)

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

(white to move) 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb7 5. Be2 Be7 6. Nc3 O-O 7. O-O d5 8. b3 c5 9. Bb2 cxd4 10. Nxd4 dxc4 11. Bxc4 Nbd7 12. Qe2 Rc8 13. Rac1 Qc7 14. Rfd1 Rfd8 15. f3 Ne5 16. Nxe6 Rxd1+ 17. Rxd1 fxe6 18. Bxe6+ Kh8 19. Bxc8 Qxc8 20. Nb5 Nc6 21. Qc4 Ba6 22. Rc1 Qe8 23. Qxc6 Bxb5 24. Qxe8+ Nxe8 25. Rc8 Bc5 26. Bd4 Bxd4 27. exd4 Kg8 28. a4 Bd7 29. Rd8 Bc6 30. d5

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White to play and survive.

?, ?
Analysis of john2001plus (1875) vs. skuhl99 (1458)

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

(white to move) 1. Nf3 Nf6 2. d4 c5 3. c4 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. e4 d6 7. f3 Bg7 8. Be3 O-O 9. Be2 a6 10. O-O Bd7 11. Qd2 Qb6 12. Ne6 Qa5 13. Nxf8 Kxf8 14. a3 Qc7 15. b4 Ne5 16. Nd5 Nxd5 17. cxd5 Nc4 18. Bxc4 Bxa1 19. Rxa1 Qxc4 20. Rc1 Qb3 21. Bd4 f6 22. Rc7 Rd8 23. Rxb7 Qxa3 24. Bb6 Qa1+ 25. Kf2 Ke8 26. Bxd8 Kxd8 27. Qc2 Qd4+ 28. Kf1 Bb5+ 29. Ke1 Qg1+ 30. Kd2 Qd4+ 31. Kc1 Qa1+ 32. Qb1 Qc3+ 33. Kd1 Bc4 34. e5 Qe3 35. Qc2 Qg1+ 36. Kd2 Qxg2+ 37. Kc3 Qxc2+ 38. Kxc2 fxe5

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Click here for 35... Bb3.
Click here for 35... Bb3.

What is the strongest continuation for White?

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Analysis of john2001plus (1841) vs. Yeetyeet21 (1218)

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 Nc6 3. c4 e6 4. Nc3 Nf6 5. Bg5 Bb4 6. e3 h6 7. Bh4 Qe7 8. Bd3 dxc4 9. Bxc4 Bxc3+ 10. bxc3 Bd7 11. O-O O-O 12. e4 Na5 13. Bd3 g5 14. Nxg5 hxg5 15. Bxg5 e5 16. f4 Qe6 17. fxe5 Nh7 18. Bf6 Nxf6 19. exf6 Qg4 20. Qd2 Qh5 21. Rf4 Nc6 22. e5 Rfe8 23. Qf2 Nxe5 24. dxe5 Rxe5 25. Rh4 Qg5 26. Bh7+ Kh8 27. Bf5+ Kg8 28. Bxd7 Re2 29. Qxe2 Qxh4 30. Rf1 Kh7 31. Rf3 Kg8 32. Rg3+ Kh8 33. Rh3 Qxh3 34. Bxh3 Rd8 35. Qh5+ Kg8 36. Qg5+

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Black to play and win

World Championship Candidates, London ENG
Boris Gelfand vs. Magnus Carlsen

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

(black to move) 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd7 5. Bg5 c6 6. e3 Qa5 7. cxd5 Nxd5 8. Rc1 Nxc3 9. bxc3 Ba3 10. Rc2 b6 11. Bd3 Ba6 12. O-O Bxd3 13. Qxd3 O-O 14. e4 Rfe8 15. e5 h6 16. Bh4 c5 17. Nd2 cxd4 18. cxd4 Rac8 19. Nc4 Qb5 20. f4 Rc7 21. Qxa3 Rxc4 22. Rxc4 Qxc4 23. Bf2 Qc7 24. Rc1 Qb7 25. Qd6 Nf8 26. g3 Rc8 27. Rxc8 Qxc8 28. d5 exd5 29. Qxd5 g6 30. Kg2 Ne6 31. Qf3 Kg7 32. a3 h5 33. h4 Qc2 34. Qb7 Qa4 35. Qf3 b5 36. f5 gxf5 37. Qxf5 Qxa3 38. Qxh5 a5 39. Qg4+ Kf8 40. h5 Qc1 41. Qe4 b4 42. Be3 Qc7 43. Qa8+ Kg7 44. h6+ Kh7 45. Qe4+ Kg8 46. Qa8+ Qd8 47. Qxd8+ Nxd8 48. Kf3 a4 49. Ke4 Nc6 50. Bc1 Na5 51. Bd2 b3 52. Kd3 Nc4 53. Bc3 a3 54. g4 Kh7 55. g5 Ne3

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Click here for 55... Kg6.

Black to play for a win

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Analysis of Coupra (1958) vs. John2001plus (1795)

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

(black to move) 1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. Nc3 Bb7 5. Qc2 Bb4 6. Bd2 Bxc3 7. bxc3 Ne4 8. e3 O-O 9. Bd3 f5 10. O-O d6 11. a4 a5 12. Rab1 Nd7 13. Qb3 Nxd2 14. Nxd2 Qg5 15. g3 e5 16. d5 Nc5 17. Qc2 e4 18. Be2 Bc8 19. Rfd1 Bd7 20. Ra1 Rae8 21. Nb3 Bxa4 22. Rxa4 Nxa4 23. Nd4 Nc5 24. Bf1 f4 25. exf4 Rxf4 26. Bg2 Rff8 27. Re1 a4 28. Bxe4 Nxe4 29. Rxe4 Rxe4 30. Qxe4 Qc1+ 31. Kg2 Qxc3 32. Qe6+ Kh8 33. Qe7 Rg8 34. Ne6 a3 35. Ng5 h6 36. Nf7+ Kh7 37. Qe4+ g6 38. Qh4 Qd2 39. Qe7 Rg7 40. Qf8 g5 41. Qh8+ Kg6 42. Nxh6 Qe2 43. Qa8 Qe4+ 44. Kf1 Qb1+ 45. Kg2 a2 46. Ng4 a1=Q 47. Qe8+ Rf7 48. Qe6+ Kg7 49. Qh6+ Kg8 50. Qxg5+ Kf8 51. Qd8+ Kg7 52. Qg5+ Qg6

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Options:
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Pawn promotion:
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	- Bishop
	- Knight