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Subject: Re: Tactical Position - Fruit v Crafty (WCCC 2005)

Author: Robert Hyatt

Date: 15:29:27 08/19/05

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On August 18, 2005 at 09:29:45, Steve Maughan wrote:

>In this position Fruit plays Bxh6! - how long for other engines to find this
>combo?
>
>[d]4rr1q/1bp2p1k/1ppp3p/4n3/4P3/2Q3RP/PPPBB1P1/R6K w - - 0 21

crafty WCCC machine:

               13->  11.84   1.11   1. Qe3 Re6 2. Rf1 Rg8 3. Bg4 Nxg4 4.
                                    Rxf7+ Rg7 5. Rxg7+ Qxg7 6. Bc3 Qg5
                                    7. Qxg5 hxg5 8. Rxg4 c5 9. Rxg5 Bxe4
                                    (s=6)
               14    15.71   1.11   1. Qe3 Re6 2. Rf1 Rg8 3. Bg4 Nxg4 4.
                                    Rxf7+ Rg7 5. Rxg7+ Qxg7 6. Bc3 Qg5
                                    7. Qxg5 hxg5 8. Rxg4 c5 9. Rxg5 Bxe4
                                    (s=5)
               14    23.20     +1   1. Bxh6!!
               14    39.83   2.11   1. Bxh6 Rg8 2. Rf1 Rg6 3. Rxg6 fxg6
                                    4. Qe3 c5 5. Bg5 Rf8 6. Rf4 Rxf4 7.
                                    Qxf4 Qa8 8. Bf6 Bxe4 (s=4)
               14->  43.68   2.11   1. Bxh6 Rg8 2. Rf1 Rg6 3. Rxg6 fxg6
                                    4. Qe3 c5 5. Bg5 Rf8 6. Rf4 Rxf4 7.
                                    Qxf4 Qa8 8. Bf6 Bxe4
               15     1:04   2.36   1. Bxh6 Rg8 2. Rf1 Rg6 3. Rxg6 fxg6
                                    4. Bg5 Rf8 5. Qg3 Rxf1+ 6. Bxf1 Kg8
                                    7. Qf4 Qh7 8. Kg1 Qf7 9. Qxf7+ Kxf7
                                    10. Be2
               15->   1:14   2.36   1. Bxh6 Rg8 2. Rf1 Rg6 3. Rxg6 fxg6
                                    4. Bg5 Rf8 5. Qg3 Rxf1+ 6. Bxf1 Kg8
                                    7. Qf4 Qh7 8. Kg1 Qf7 9. Qxf7+ Kxf7
                                    10. Be2



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