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Subject: Re: 3 test positions from the Rebel Site

Author: Roy Eassa

Date: 11:02:21 08/25/02

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On August 24, 2002 at 16:46:18, Mike Byrne wrote:

>http://www.rebel.nl/bench.htm
>
>obviously Rebel would do very in these - how your program do
>
>
>=============================================================================
>White(1): [D] r4rk1/5ppp/p2pbb2/3B3Q/qp2p3/4B3/PPP2P1P/2KR2R1 w - - bm Rxg7!;


Analysis, with help from Fritz & Shredder:

1.Rxg7+! Bxg7

   [1...Kxg7? 2.Qh6+ Kg8 3.Rg1+ mates]

2.Rg1 Rfc8

   [2...Ra7? 3.Rxg7+ Kxg7 4.Qg5+ Kh8 5.Qf6+ Kg8 6.Bh6 mates]

3.Rxg7+!

   [3.Bxe4 Kf8 4.Rxg7 b3! 5.Qxh7 Qa5 6.Kd1 bxc2+ -/+]

3...Kxg7 4.Qh6+ Kg8 5.Bxe4 b3!

   [5...Rc5 6.Bxh7+ Kh8 7.Bd4+ Re5 8.Bxe5+ dxe5 9.Be4+
      (9.Bf5+ Kg8 10.Qh7+ Kf8 11.Bxe6 Qe8
         (11...fxe6 12.Qh8+ ±)
       12.Bf5 e4 13.Qh6+ Ke7 14.Bxe4 Rd8 15.Qxa6 Qd7 16.Qe2 ±)
    9...Kg8 10.Bxa8 Qxa2 11.Qg5+ Kf8 12.Qxe5 Qc4 13.Kd2 ±]

6.Bxh7+ Kh8 7.Bf5+ Kg8 8.Qh7+

   [or draw with 8.Bh7+]

8...Kf8 9.Bh6+ Ke8

   [9...Ke7 10.Bg5+ Ke8 11.Qg8+ Kd7 12.Qxf7+ Kc6 13.Qxe6 Rd8 14.Be4+ Kc7
    15.cxb3 Qb5 16.Qc4+ Qxc4+ 17.bxc4 Rg8 18.h4 Rae8 19.f3 ±]

10.Qg8+ Kd7 11.Qxf7+ Kc6 12.Qxe6 Rd8 13.cxb3 Qb5 14.Be4+ Kc7 15.Qc4+

   [15.Bxa8 Qf1+ 16.Kd2 Qxf2+ 17.Kd3 Rxa8 18.Qe7+ Kc6 19.Qe4+ d5 =]

15...Qxc4+ 16.bxc4 Rab8 17.Bg5 Re8 18.f3 +=



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