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Subject: Re: Incredible position! Can your program avoid QxR?? The losing move.

Author: Chessfun

Date: 14:45:39 07/27/01

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On July 27, 2001 at 17:13:57, Chessfun wrote:

>On July 27, 2001 at 15:59:52, robert flesher wrote:
>
>>This is a game played By Bob kiviaho(Canadian master) and chessmaster 8000.
>>Chessmaster played ........QXR and lost very quickly.
>>r1r3k1/pp3p1p/3pbp1Q/4p3/4P3/3R1N2/1PPK1PPP/q6R b - - 0 1
>
>Deep Fritz quickly chooses Qa5+ and it may hold, at least
>it appears stronger than Qxh1.
>
>New position
>r1r3k1/pp3p1p/3pbp1Q/4p3/4P3/3R1N2/1PPK1PPP/q6R b - - 0 1
>
>Analysis by Deep Fritz:
>
>1...Qxh1-- 2.Ne1 Bg4 3.Rg3 f5 4.exf5 Rc4 5.f6 Rxc2+ 6.Kxc2 Rc8+
>  -+  (-1.50)   Depth: 11/29   00:00:07  5169kN
>1...Qxh1--
>  µ  (-1.19)   Depth: 12/29   00:00:25  16701kN
>1...Qxh1-- 2.Ne1 Bg4 3.Rg3 f5 4.exf5 Rc4 5.f6 Rd4+ 6.Rd3 Rxd3+ 7.cxd3
>  ±  (1.00)   Depth: 12/34   00:00:26  17240kN
>1...Qa5+!
>  ±  (0.97)   Depth: 12/36   00:00:41  27289kN
>
>(, Scarb 27.07.2001)
>
>Sarah.

After a bit more thought;
New position
1...Qxh1--
  µ  (-1.19)   Depth: 12/29   00:00:25  16701kN
1...Qxh1-- 2.Ne1 Bg4 3.Rg3 f5 4.exf5 Rc4 5.f6 Rd4+ 6.Rd3 Rxd3+ 7.cxd3
  ±  (1.00)   Depth: 12/34   00:00:26  17240kN
1...Qa5+!
  ±  (0.97)   Depth: 12/36   00:00:42  27289kN
1...Qa5+! 2.c3 Kh8 3.Qxf6+ Kg8 4.Rc1 Qd8 5.Qg5+ Kh8 6.Qxd8+ Rxd8 7.Ng5
  ²  (0.62)   Depth: 12/41   00:11:40  455858kN
1...Rxc2+!
  ²  (0.59)   Depth: 12/41   00:11:46  459780kN
1...Rxc2+! 2.Kxc2 Rc8+ 3.Kd2 Qxb2+ 4.Ke3 Rc1 5.Ne1 Bc4 6.Qxf6 Bxd3 7.Qg5+
  =  (0.00)   Depth: 12/41   00:11:49  462172kN
1...Qxb2!
  =  (0.12)   Depth: 12/41   00:11:53  464875kN
1...Qxb2! 2.Ne1 Qb4+ 3.c3 Qxe4 4.Rg3+ Bg4 5.h3 Qd5+ 6.Kc1 Qd1+ 7.Kb2
  =  (0.06)   Depth: 12/41   00:11:56  466514kN
1...Qxb2 2.Ne1 Qb4+ 3.c3 Qxe4 4.Rg3+ Bg4 5.h3 Qd5+ 6.Kc1 Qd1+ 7.Kb2
  =  (0.06)   Depth: 13/35   00:12:11  477153kN
1...Qxb2 2.Ne1 Qb4+ 3.c3 Qxe4 4.Rg3+ Bg4 5.h3 Qd5+ 6.Kc1 Qd1+ 7.Kb2
  =  (0.25)   Depth: 14/37   00:13:17  521803kN
1...Rxc2+!
  =  (0.22)   Depth: 14/37   00:13:19  522874kN
1...Rxc2+! 2.Kxc2 Rc8+ 3.Kd2 Qxb2+ 4.Ke3 Rc1 5.Ne1 Bc4 6.Qxf6 Bxd3 7.Qg5+
  =  (0.00)   Depth: 14/42   00:13:56  550355kN
1...Rxc2+ 2.Kxc2 Rc8+ 3.Kd2 Qxb2+ 4.Ke3 Rc1 5.Ne1 Bc4 6.Qxf6 Bxd3 7.Qg5+
  =  (0.00)   Depth: 15/41   00:16:48  669913kN
1...Qxb2!
  =  (0.12)   Depth: 15/41   00:17:57  718732kN
1...Qxb2 2.Ne1 Qb4+ 3.c3 Qxe4 4.Rg3+ Bg4 5.h3 Qd5+ 6.Kc1 Rxc3+ 7.Rxc3
  =  (0.25)   Depth: 16/43   00:24:59  1002867kN
1...Rxc2+!
  =  (0.22)   Depth: 16/43   00:25:07  1008210kN

(, Scarb 27.07.2001)

Sarah.




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