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Subject: Re: Testposition: 23.g4!!

Author: Uri Blass

Date: 07:45:43 07/12/05

Go up one level in this thread


On July 12, 2005 at 09:04:37, George Tsavdaris wrote:

>At move 23 of game 1, Shredder 9 played the amazing 23.g4!! with a high positive
>score.......
>A truly surprise move in my opinion, but logical if you think about it and only
>when you see it afterwards, as it happens all the time........
>Fritz 8.00.8 that i tried, finds it very quickly! Any other.....?
>
>[D]3rk2r/3nbppp/1pB1pn2/pP6/P1P5/2N3P1/1B3P1P/R2R2K1 w k - 0 23

Shredder9 has another move in my analysis Ne2 with evaluation of more than +1(I
think that I started with 2 options and reduced it to 1)

New game,
[D]3rk2r/3nbppp/1pB1pn2/pP6/P1P5/2N3P1/1B3P1P/R2R2K1 w k - 0 1

Analysis by Shredder 9 UCI:

1.Rxd7
  ²  (0.50)   Depth: 1/4   00:00:00
1.Rxd7
  -+  (-2.29)   Depth: 1/4   00:00:00
1.Rxd7
  =  (0.09)   Depth: 1/4   00:00:00
1.Bxd7+
  =  (0.24)   Depth: 1/4   00:00:00
1.Bxd7+ Rxd7
  ²  (0.57)   Depth: 1/4   00:00:00
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 1/4   00:00:00
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 1/10   00:00:00
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 2/10   00:00:00
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 3/10   00:00:00
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 4/10   00:00:00
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 5/10   00:00:00
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 6/10   00:00:00  1kN
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 7/10   00:00:00  2kN
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 8/10   00:00:00  4kN
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 9/10   00:00:01  7kN
1.Bc1 0-0 2.Bf4 e5 3.Bg5 Nc5 4.Kg2 Rd4 5.Re1 Bd6
  ²  (0.58)   Depth: 10/10   00:00:02  12kN
1.Bc1 0-0
  ²  (0.33)   Depth: 11/20   00:00:03  162kN
1.Bc1 0-0 2.Bf4 Bb4 3.Na2 Bc5
  =  (0.14)   Depth: 11/20   00:00:04  262kN
1.Kg2
  =  (0.15)   Depth: 11/24   00:00:04  542kN
1.Kg2 0-0 2.Ne2 Nc5 3.Bd4 Nfd7 4.f3 Bf6 5.Bxd7 Bxd4
  ²  (0.32)   Depth: 11/24   00:00:04  601kN
1.f4
  ²  (0.33)   Depth: 11/24   00:00:04  888kN
1.f4 0-0 2.Ne4 Nxe4 3.Bxe4 Nc5 4.Bc2 Bf6 5.Bxf6 gxf6 6.Kf2 f5 7.Rac1
  ²  (0.34)   Depth: 11/24   00:00:05  932kN
1.Rd4
  ²  (0.35)   Depth: 11/24   00:00:05  999kN
1.Rd4 0-0 2.Re1 Nc5 3.Red1 Rxd4 4.Rxd4 Rd8 5.Rxd8+ Bxd8 6.f3 Bc7 7.Kg2 Be5
  ²  (0.48)   Depth: 11/24   00:00:05  1036kN
1.Rd4 0-0 2.Re1 Nc5 3.Red1 Rxd4 4.Rxd4 Rd8 5.Rxd8+ Bxd8 6.f4 Be7 7.Kg2
  ²  (0.32)   Depth: 12/24   00:00:05  1557kN
1.Kg2
  ²  (0.33)   Depth: 12/24   00:00:06  1814kN
1.Kg2 0-0 2.Ne2 Nc5 3.Bd4 Nfd7 4.f4 Bf6 5.Bxd7 Bxd4 6.Nxd4 Rxd7
  ²  (0.33)   Depth: 12/24   00:00:06  1889kN
1.Kg2 0-0 2.Ne2 Nc5 3.Bd4 Nfd7 4.f4 Bf6 5.Bxd7 Bxd4 6.Rxd4 Rxd7 7.Rxd7
  ²  (0.39)   Depth: 13/24   00:00:07  3452kN
1.Rd4
  ²  (0.40)   Depth: 13/29   00:00:07  3992kN
1.Rd4 0-0 2.Re1 Nc5 3.Red1 Rxd4 4.Rxd4 Rd8 5.Rxd8+ Bxd8 6.f4 Be7 7.h3
  ²  (0.45)   Depth: 13/31   00:00:07  4092kN
1.Rd4 0-0 2.Re1 Bc5 3.Rd2 Nb8 4.Rxd8 Rxd8 5.Rd1 Nxc6 6.bxc6 Rc8 7.Nb5 Ng4 8.Na7
Bxf2+ 9.Kh1 Ne3 10.Rd7
  ²  (0.37)   Depth: 14/31   00:00:11  6202kN
1.Rd4 0-0 2.Rad1 Ne5 3.Rxd8 Rxd8 4.Nd5 Nf3+ 5.Kg2 exd5 6.Kxf3 dxc4 7.Rc1 Rd2
8.Bxf6 Bxf6 9.Rxc4 Bd4
  =  (0.25)   Depth: 15/31   00:00:22  12265kN
1.Kg2
  ²  (0.26)   Depth: 15/31   00:00:28  16059kN
1.Kg2 0-0 2.h3 Nc5 3.Ba3 g6 4.f4 Kg7
  ²  (0.30)   Depth: 15/31   00:00:32  17958kN
1.Ne2
  ²  (0.31)   Depth: 15/31   00:00:37  20528kN
1.Ne2 0-0 2.Bxd7 Rxd7 3.Bxf6 Rxd1+ 4.Rxd1 Bxf6 5.f4 Rc8
  ²  (0.44)   Depth: 15/31   00:00:38  21547kN
1.Ne2 0-0 2.Nd4 Bb4 3.Nb3
  ²  (0.67)   Depth: 16/31   00:00:54  29921kN
1.Ne2 0-0 2.Nd4 Nc5 3.Ba3 Bd6 4.Bxc5 Bxc5 5.Nb3 Bb4 6.c5 bxc5 7.Rdc1 Nd7 8.Bxd7
Rxd7 9.Nxc5 Rd6 10.Kg2
  ²  (0.66)   Depth: 17/33   00:01:17  42426kN
1.Ne2 0-0 2.Nd4 Bb4 3.Nb3 h6 4.Kg2 Ng4
  ±  (0.88)   Depth: 18/33   00:02:10  69240kN
1.Ne2 0-0 2.Nd4 Bb4 3.Nb3 h5 4.Kg2 h4
  ±  (1.01)   Depth: 19/33   00:03:24  105737kN
1.Ne2 0-0 2.Nd4 h6 3.Nb3
  ±  (1.03)   Depth: 20/36   00:05:28  170887kN

(,  12.07.2005)




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