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Subject: Re: YATP

Author: Roy Eassa

Date: 12:20:39 11/22/02

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On November 22, 2002 at 12:10:00, Roy Eassa wrote:

>On November 22, 2002 at 11:11:45, Gian-Carlo Pascutto wrote:
>
>>[D]2k3rr/ppq1b3/2b1p3/2p2p1p/3p1P1P/3P1NP1/PPPN3K/R1Q2R2 b - - 0 1
>>
>>Rxg3!
>
>
>Black can probably win by slower means, but your move is definitely best and
>fastest.
>
>1...Rxg3! 2.Kxg3
>
>   [2.Qe1 Rg7 3.Ne5
>      (3.Qxe6+ Kb8 4.Kh3 Qxf4 5.Qe5+ Qxe5 6.Nxe5 Bg2+ 7.Kh2 Bxf1 -+)
>    3...Rhg8 4.Ndf3
>       (4.Nxc6 Qxc6 5.Nf3 Rg2+ 6.Kh3
>          (6.Kh1 R2g4 7.Kh2 Rxf4 -+)
>        6...e5 7.Ng5
>          (7.Nxe5 Rh2+ 8.Kxh2 Qg2#)
>        7...Bxg5 8.fxg5 f4 9.Rf2 Rg3+ 10.Kh2 Qe6 11.Kh1 Qg4 12.Qd2 Qxh4+
>        13.Rh2 Qxg5 14.Qf2 e4 -+)
>    4...Rg2+ 5.Kh3
>       (5.Kh1 R2g3 6.Kh2 Rxf3 7.Rxf3 Bxf3 -+)
>    5...Bxf3 6.Rxf3 Bd6! -+ e.g., 7.Rd1 Qg7 and mates]
>
>2...Rg8+ 3.Ng5
>
>   [3.Kf2 Qxf4 4.Ke1 Qe3+ 5.Kd1 Rg2 6.c4 Qxd3 7.Ne5 Qe2+ 8.Kc2 Qxe5 -+]
>
>   [3.Kh3 Qxf4 4.Rg1 Rg4 5.Qd1 Bxh4 6.Nf1 Rxg1 7.Nxg1 Be1! -+]
>
>3...Bxg5 4.hxg5 Rxg5+ 5.Kh3
>
>   [5.Kh4 Rg4+ 6.Kh3 Qg7 mates quickly]
>
>   [5.Kf2 Rg2+ 6.Ke1 Qg7 7.c3 Qg4 8.Rf2 Qg3 -+]
>
>5...Rg2! 6.Nf3 Bxf3 7.Qe1
>
>   [7.Rxf3 Qg7 and mate next move]
>
>7...Bd5 -+


By the way, it took Fritz less than 30 seconds to find ...Rxg3 on my 1.2 GHz
Athlon.



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