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Subject: Re: Nice double piece sac by Shredder9

Author: chandler yergin

Date: 19:01:35 03/29/05

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On March 28, 2005 at 17:01:26, Darrel Briley wrote:

>The game ends in a draw, but I have to wonder if Shredder would've brought home
>the full point at longer time controls (game was blitz 10 6).  I'll let others
>argue about whether the sacrifices were tactical or positional (I tend to think
>of it as a little of both since it exposes the enemy King without a clear
>material gain...anyway, take a look at the postiion at white's 22nd move...I'd
>post a diagram if I knew how (is there an FAQ on that somewhere for this forum?)
>
>
>[Event "ICC 10 6"]
>[Site "Internet Chess Club"]
>[Date "2005.03.28"]
>[Round "-"]
>[White "Shredder9 UCI"]
>[Black "Chess Tiger 2004"]
>[Result "1/2-1/2"]
>[ICCResult "Game drawn by mutual agreement"]
>[WhiteElo "2875"]
>[BlackElo "2829"]
>[Opening "Sicilian: Alapin's variation (2.c3)"]
>[ECO "B22"]
>[NIC "SI.46"]
>[Time "13:39:25"]
>[TimeControl "600+6"]
>
>1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. g3 d6 5. exd6 e6 6. Bg2 Bxd6 7. Nf3 O-O 8.
>O-O Nc6 9. Na3 Be7 10. d3 b6 11. Nc4 Bb7 12. a4 Re8 13. Re1 a6 14. Qe2 Rb8
>15. Bd2 Bf6 16. Rac1 h6 17. Rc2 (talk about your "mysterious rook moves") b5 18.
>axb5 axb5 19. Nce5 Rc8 20. Rcc1 Qc7
>21. Ng4 Be7 22. Bxh6 (a diagram would be nice here :)

Yes nice Moves but not a decisive win:

New game,
[D]2r1r1k1/1bq1bpp1/2n1p2p/1ppn4/6N1/2PP1NP1/1P1BQPBP/2R1R1K1 w - - 0 1

Analysis by Shredder 8:

1.Qe5 Nxe5 2.Nfxe5
  -+  (-7.11)   Depth: 1/2   00:00:07
1.Qe4
  ²  (0.57)   Depth: 1/3   00:00:07
1.Qe4
  ²  (0.57)   Depth: 1/3   00:00:07
1.Qe4
  ²  (0.57)   Depth: 1/3   00:00:07
1.Qe4
  ²  (0.57)   Depth: 1/3   00:00:07
1.Qe4
  ²  (0.57)   Depth: 1/3   00:00:07
1.Qe4 Rcd8
  ²  (0.59)   Depth: 2/5   00:00:07
1.Qe4 Red8 2.Nge5 Nxe5 3.Nxe5
  ²  (0.55)   Depth: 3/16   00:00:08
1.Qe4 Ra8 2.b4 Ra2 3.bxc5 Bxc5
  ²  (0.62)   Depth: 4/12   00:00:10
1.Bxh6 Ndb4
  ²  (0.63)   Depth: 4/20   00:00:11
1.Bxh6 gxh6 2.Nxh6+ Kh7 3.Nxf7
  ±  (0.79)   Depth: 4/20   00:00:11
1.Bxh6 gxh6 2.Nxh6+ Kh7 3.Nxf7 Bf6
  ±  (0.72)   Depth: 5/13   00:00:12
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Bf6 4.N3g5
  ±  (0.78)   Depth: 6/16   00:00:15
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Bf6 4.N3g5 Ne5 5.Nxe5 Bxg5
  ±  (0.74)   Depth: 7/17   00:00:22  26kN
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Bf6 4.N3g5 Ne5 5.Nxe5 Bxg5
  ±  (0.74)   Depth: 8/18   00:00:29  54kN
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Bf6 4.N3g5 Ne5 5.Nxe5 Bxg5
  ±  (0.74)   Depth: 9/24   00:00:42  106kN
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Bf6 4.N3g5 Ne5 5.Nxe5 Bxg5 6.f4 Rg8
  ±  (0.99)   Depth: 10/28   00:00:48  279kN
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Bf6 4.N3g5 Ne5 5.Nxe5 Bxg5 6.f4 Be7
  ±  (1.03)   Depth: 10/28   00:00:49  329kN
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Kxf7 4.Qxe6+ Kg7 5.Qxd5 Nd4 6.Qh5 Nxf3+ 7.Bxf3
Bxf3 8.Qxf3
  ±  (0.93)   Depth: 11/34   00:00:50  600kN
1.Bxh6 Na5 2.Bg5 Nxc3 3.bxc3 Bxf3 4.Bxf3 Bxg5 5.Rb1 Rb8 6.Qe4 Bd2 7.Rb4
  ±  (0.96)   Depth: 12/34   00:00:54  1704kN
1.Bxh6 Na5 2.Bg5 Nxc3 3.bxc3 Bxf3 4.Bxf3 Bxg5 5.Rb1 Rb8 6.Bg2 Red8 7.Qe4 Bd2
  ±  (1.01)   Depth: 13/32   00:00:58  2911kN
1.Bxh6 Na5 2.Bg5 Nxc3 3.Rxc3 Bxf3 4.Qxf3 Bxg5 5.b4 Bd2 6.Rxc5 Qxc5 7.bxc5 Bxe1
  ±  (0.95)   Depth: 14/36   00:01:05  4954kN
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Kxf7 4.Qxe6+ Kg7 5.Qxd5 Nd4 6.Qh5 Nxf3+ 7.Bxf3
Bxf3 8.Qxf3 Bg5 9.Qg4 Re5 10.Rxe5 Qxe5 11.Qh5
  ±  (0.88)   Depth: 15/42   00:01:31  12504kN
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Kxf7 4.Qxe6+ Kg7 5.Qxd5 Nd4 6.Qh5 Nxf3+ 7.Bxf3
Bxf3 8.Qxf3 Qd7 9.Rcd1
  ±  (0.92)   Depth: 16/46   00:02:17  25455kN
1.Bxh6 gxh6 2.Nxh6+ Kg7 3.Nxf7 Kxf7 4.Qxe6+ Kg7 5.Qxd5 Nd4 6.Qh5 Nxf3+ 7.Bxf3
Bxf3 8.Qxf3 Qd7 9.Rcd1
  ±  (1.07)   Depth: 17/46   00:03:42  48226kN

(,  29.03.2005)



>
>gxh6 23. Nxh6+ Kf8 24. Nxf7 Kxf7 25. Qxe6+ Kg7 26. Qg4+
>Kf8 27. Qf5+ Bf6 28. Ng5 Re5 29. Ne6+ Kf7 30. Rxe5 Qxe5 31. Qh7+ Bg7 32.
>Bxd5 Qxd5 33. Qxg7+ Kxe6 34. Qxb7 Rg8 35. c4 bxc4 36. dxc4 Qe4 37. Rd1 Rd8
>38. Rxd8 Qe1+ 39. Kg2 Qe4+ 40. f3 Qe2+ 41. Kh3 Qf1+ 42. Kh4 Qxc4+ 43. g4
>Nxd8 44. Qc8+ Ke7 45. Qc7+ Ke8 46. Qe5+ Kd7 47. Qe3 Qd4 48. Qxd4+ cxd4 49.
>Kg3 Ne6 50. h3 Kc6 51. Kf2 Nf4 52. h4 Kd5 53. b3 Kc5 54. h5 Kb4 55. Ke1 Kc3
>56. Kd1 Nd3 57. h6 Nb2+ 58. Ke2 d3+ 59. Ke3 d2 60. h7 d1=Q 61. h8=Q+ Kxb3
>62. Qb8+ Kc2 63. Qc7+ Kb1 64. Qc3 Qd5 65. Ke2 Qb5+ 66. Ke1 Qb6 67. Kf1 Qd8
>68. Qb3 {Game drawn by mutual agreement} 1/2-1/2



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