Author: Will Singleton
Date: 12:33:19 06/16/02
Go up one level in this thread
On June 16, 2002 at 14:47:06, Telmo Escobar wrote:
> I examined this game with several CB engines and all of them, in due time,
>evaluate 12.Nxg5! as winning for White. Below are the relevant lines.
> Main one, in my view, is 12.Nxg5 hxg5 13.Bxg5 Nbd7 14.Qf3 a6 15.Qg3 Kf8 -as
>played in the game- and now 16.f4! b5 17.e5 dxe5 18.d6 Bxd6 19.Bh6+ Ke7 20.Nd5+
>Nxd5 21.Bxd5 and wins. This demolishing line was discovered by the tactical
>wizards, Fritz 7 and Nimzo 8.
> Anyway, White's play in this game is correct and its intuition to choose
>12.Nxg5! is commendable. Who is this "amateur2"?
>
Nice analyses. 16.f4 is certainly winning, and very hard to find.
Amateur has been around a long while, now called Amateur2 since it switched to
winboard from the mac.
>[Event "Computer chess game"]
>[Site "MICRON"]
>[Date "2002.06.16"]
>[Round "1"]
>[White "amateur2"]
>[Black "leila_053h"]
>[Result "1-0"]
>[PlyCount "135"]
>[EventDate "2002.??.??"]
>[TimeControl "300+1"]
>
>1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 Bd6 6. Nf3 O-O 7. Bg5 Bc7
>8. e4 d6 9. Bc4 h6 10. Bh4 Re8 11. O-O g5 12. Nxg5
>{
>12. e5 dxe5 13. Bg3 {
>gives White a minimal advantage, according to Nimzo 8}
>}
>12... hxg5 13. Bxg5 Nbd7 14. Qf3 a6
>{
>14... Qe7 15. Qg3 Nh5 (15... Kh7 16. Qh4+ Kg8 17. f4 {
>is winning, Junior 7}) 16. Qg4 Ndf6 17. Qh4 Ba5 18. Bb5 Bxc3 19. bxc3 Qxe4 20.
>Bxf6 Qxh4 21. Bxh4 {Fritz 7}
>}
>15. Qg3 Kf8 16. Qh4
>{
>16. e5 {
>Suggested by Hiarcs 8}
>16. f4 b5 17. e5 dxe5 18. d6 Bxd6 19. Bh6+ Ke7 20.
>Nd5+ Nxd5 21. Bxd5 {and wins, according to Fritz 7 and Nimzo 8}
>16. a4 Ne5
>17. Qh4 {is Shredder 6.02's preference}
>}
>16... b5
>{
>16... Ba5 {Hiarcs 8 initiall
>y suggested this, as apparently the knight on c3 must be eliminated. Anyway
>Hiarcs 8 concludes that 17.f4! wins}
>}
>17. Be2
>{
>17. Qh6+ Kg8 18. Nxb5 axb5 19.
>Bxb5 Re7 20. Bxf6 Nxf6 21. Qg5+ {wins, according to Hiarcs 8}
>17. f4 {
>is Chess Tiger 14's choice, winning with the immediate 18.e5}
>}
>17... b4 18. Bg4 Re5 19. Qh6+ Ke7 20. Bxd7 Rxg5 21. Qxg5 bxc3 22. Bxc8 cxb2
>23. Rab1 Qxc8 24. Rxb2 Rb8 25. Rb3
>{
>25. Rfb1 {is Hiarcs 8 move, with obvious advantage to White}
>}
>25... Qg4
>{
>25... Rxb3 26. axb3 Qb8 27. Qe3 Qb4 {
>Hiarcs 8. Here White is better, but Black has a bit of counterplay}
>}
>26. Qxg4 Nxg4 27. Rfb1
>{
>27. Rxb8 Bxb8 28. Rb1 {is better (Hiarcs 8)}
>}
>27... Rg8 28. Rb7 Kd7 29. Ra7 c4 30. Rbb7 Rc8 31. Rxa6 Ne5 32. h4 Rb8 33.
>Rxb8 Bxb8 34. h5 Bc7 35. Ra3 Bb6 36. h6 Bd4 37. h7 Ng6 38. Ra4 Be5 39. Rxc4
>Nf8 40. a4 Ng6 41. a5 Ne7 42. Rb4 Nc8 43. a6 Ke8 44. Rb8 Kd7 45. Rb7+ Ke8
>46. Rc7 Kd8 47. Rxf7 Bd4 48. a7 Nxa7 49. Rxa7 Ke8 50. h8=Q+ Bxh8 51. Ra8+
>Ke7 52. Rxh8 Kf7 53. Rh6 Ke7 54. f4 Kd7 55. Re6 Kc7 56. f5 Kb6 57. f6 Kc5
>58. g4 Kd4 59. g5 Kc5 60. g6 Kd4 61. f7 Kc5 62. g7 Kc4 63. f8=Q Kd4 64.
>Qf2+ Kc4 65. g8=Q Kd3 66. Qg7 Kc4 67. Qfb2 Kc5 68. Qc7#
>{White mates} 1-0
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