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Old May 18th 04, 09:37 PM
Antonio Torrecillas
 
Posts: n/a
Default was that refinement neccesary?

Hello,

Have a look at 53...th move
Anyone knows if that ...g5 idea is known?
Anyone knows if it was the best way to win?

[Event "Capablanca mem ELITE"]
[Site "?"]
[Date "2004.05.09"]
[Round "4"]
[White "Felgaer, Ruben"]
[Black "Dominguez, Leinier"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2592"]
[BlackElo "2612"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Nbd7
8. Bg2 b5 9. O-O Be7 10. Bd2 O-O 11. a4 b4 12. Nb1 a5 13. c3 Nc5 14.cxb4
axb4 15.Bxb4 Ba6 16. Nxc5 Bxf1 17. Qxf1 dxc5 18. Bc3 c4 19. Qxc4 Qd1+
20. Qf1 Qc2 21.Nd2 Rfd8 22. Nc4 Rxa4 23. Rc1 Qb3 24. Nxe5 Nxe4 25. Nc6
Re8 26. Qd3 Bc5 27. Qd7 Qe6 28. Qxe6 Rxe6 29. Bd4 Bxd4 30. Nxd4 Re8
31.Bxe4 Rxd4 32. Bf3 Rb4 33. Rc7 Rxb2 34. Bd5 Rf8 35. h4 g6 36. Kg2 h5
37. Rd7 Rb6 38. Rc7 Rf6 39. Rc2 Rd8 40.Be4 Rd4 41. Ba8 Rfd6 42. Kg1 Rd2
43. Rxd2 Rxd2 44. f4 Kg7 45. Bc6 Kf6 46. Be4 Ke6 47. Bb7 Kd6 48. Be4 Kc5
49. Bb7 Kd4 50. Bc6 Ke3 51. Bb7 f5 52. Bc6 Rd6 53.Bb7 g5 54. hxg5 h4
55.Kg2 hxg3 56. Kxg3 Rd4 57. Bg2 Rxf4 58. Bh3 Rf3+ 59. Kh4 Kf4 60. g6
Rb3 61. g7 Rg3 62. Bxf5 Rxg7 63. Bd3 Rd7 64. Bc4 Rh7# 0-1


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Old May 18th 04, 11:03 PM
mdamien
 
Posts: n/a
Default was that refinement neccesary?

"Antonio Torrecillas" wrote in message
...
Hello,

Have a look at 53...th move
Anyone knows if that ...g5 idea is known?
Anyone knows if it was the best way to win?

[Event "Capablanca mem ELITE"]
[Site "?"]
[Date "2004.05.09"]
[Round "4"]
[White "Felgaer, Ruben"]
[Black "Dominguez, Leinier"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2592"]
[BlackElo "2612"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Nbd7
8. Bg2 b5 9. O-O Be7 10. Bd2 O-O 11. a4 b4 12. Nb1 a5 13. c3 Nc5 14.cxb4
axb4 15.Bxb4 Ba6 16. Nxc5 Bxf1 17. Qxf1 dxc5 18. Bc3 c4 19. Qxc4 Qd1+
20. Qf1 Qc2 21.Nd2 Rfd8 22. Nc4 Rxa4 23. Rc1 Qb3 24. Nxe5 Nxe4 25. Nc6
Re8 26. Qd3 Bc5 27. Qd7 Qe6 28. Qxe6 Rxe6 29. Bd4 Bxd4 30. Nxd4 Re8
31.Bxe4 Rxd4 32. Bf3 Rb4 33. Rc7 Rxb2 34. Bd5 Rf8 35. h4 g6 36. Kg2 h5
37. Rd7 Rb6 38. Rc7 Rf6 39. Rc2 Rd8 40.Be4 Rd4 41. Ba8 Rfd6 42. Kg1 Rd2
43. Rxd2 Rxd2 44. f4 Kg7 45. Bc6 Kf6 46. Be4 Ke6 47. Bb7 Kd6 48. Be4 Kc5
49. Bb7 Kd4 50. Bc6 Ke3 51. Bb7 f5 52. Bc6 Rd6 53.Bb7 g5 54. hxg5 h4
55.Kg2 hxg3 56. Kxg3 Rd4 57. Bg2 Rxf4 58. Bh3 Rf3+ 59. Kh4 Kf4 60. g6
Rb3 61. g7 Rg3 62. Bxf5 Rxg7 63. Bd3 Rd7 64. Bc4 Rh7# 0-1


In regard to the pawn formation, a related idea is mentioned in Hans Kmoch's
"Pawn Power in Chess" but without the aggressive position of the Black king,
so the push is noted as a failed attempt (Diagram 105 in Kmoch's book). In
the position at move 53 with the bishop controlling the diagonal, it's hard
to see how Black could otherwise make progress without getting his king to
f2, and he has no way to drive the white king simultaneously from g2 and g1.
Incidentally, the position at move 64 is mate in 12 according to the
tablebases.

Matt


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Old May 19th 04, 12:12 AM
Antonio Torrecillas
 
Posts: n/a
Default was that refinement neccesary?

En/na mdamien ha escrit:
"Antonio Torrecillas" wrote in message
...

Hello,

Have a look at 53...th move
Anyone knows if that ...g5 idea is known?
Anyone knows if it was the best way to win?

[Event "Capablanca mem ELITE"]
[Site "?"]
[Date "2004.05.09"]
[Round "4"]
[White "Felgaer, Ruben"]
[Black "Dominguez, Leinier"]
[Result "0-1"]
[ECO "B91"]
[WhiteElo "2592"]
[BlackElo "2612"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nb3 Nbd7
8. Bg2 b5 9. O-O Be7 10. Bd2 O-O 11. a4 b4 12. Nb1 a5 13. c3 Nc5 14.cxb4
axb4 15.Bxb4 Ba6 16. Nxc5 Bxf1 17. Qxf1 dxc5 18. Bc3 c4 19. Qxc4 Qd1+
20. Qf1 Qc2 21.Nd2 Rfd8 22. Nc4 Rxa4 23. Rc1 Qb3 24. Nxe5 Nxe4 25. Nc6
Re8 26. Qd3 Bc5 27. Qd7 Qe6 28. Qxe6 Rxe6 29. Bd4 Bxd4 30. Nxd4 Re8
31.Bxe4 Rxd4 32. Bf3 Rb4 33. Rc7 Rxb2 34. Bd5 Rf8 35. h4 g6 36. Kg2 h5
37. Rd7 Rb6 38. Rc7 Rf6 39. Rc2 Rd8 40.Be4 Rd4 41. Ba8 Rfd6 42. Kg1 Rd2
43. Rxd2 Rxd2 44. f4 Kg7 45. Bc6 Kf6 46. Be4 Ke6 47. Bb7 Kd6 48. Be4 Kc5
49. Bb7 Kd4 50. Bc6 Ke3 51. Bb7 f5 52. Bc6 Rd6 53.Bb7 g5 54. hxg5 h4
55.Kg2 hxg3 56. Kxg3 Rd4 57. Bg2 Rxf4 58. Bh3 Rf3+ 59. Kh4 Kf4 60. g6
Rb3 61. g7 Rg3 62. Bxf5 Rxg7 63. Bd3 Rd7 64. Bc4 Rh7# 0-1


In regard to the pawn formation, a related idea is mentioned in Hans Kmoch's
"Pawn Power in Chess" but without the aggressive position of the Black king,
so the push is noted as a failed attempt (Diagram 105 in Kmoch's book). In
the position at move 53 with the bishop controlling the diagonal, it's hard
to see how Black could otherwise make progress without getting his king to
f2, and he has no way to drive the white king simultaneously from g2 and g1.
Incidentally, the position at move 64 is mate in 12 according to the
tablebases.

Matt


I have found right now an study of Holmov 1973 in the book "Batsford
Chess Endings", pag 363 with the exactly same position and the same
winnig move ...g5!! (in the 12th move of the study)

AT

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