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Subject: Re: tough position

Author: Robert Hyatt

Date: 10:49:35 12/12/03

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On December 12, 2003 at 13:40:07, Will Singleton wrote:

>Here's a position from a recent game, this one gives Amateur fits.
>How long to see black is busted?
>
>[d]4rr2/1b3p1k/pp5p/2b1pQ2/q7/P2R2B1/1PP3PP/2KR4 b - -


For Crafty, the bottom begins to fall out at 6 seconds or so, where
it begins to see it is not ahead.  By 60 seconds it has failed low
to white a pawn up and climbing:

               12->   4.84  -0.69   1. ... Kg8 2. Bxe5 Bf2 3. Rd4 Rxe5
                                    4. Qxe5 Re8 5. Rd8 Bc6 6. Rxe8+ Bxe8
                                    7. Rd6 Qb5 8. Qf4 Qg5 <HT>
               13     6.66     --   1. ... Kg8
               13    15.28   0.31   1. ... Kg8 2. Bxe5 Bf2 3. Bf6 Re2 4.
                                    Rd8 Bc5 5. R8d4 Rxc2+ 6. Qxc2 Qxc2+
                                    7. Kxc2 Bxd4 8. Bxd4 Be4+ 9. Kb3 Rd8
               13->  17.91   0.31   1. ... Kg8 2. Bxe5 Bf2 3. Bf6 Re2 4.
                                    Rd8 Bc5 5. R8d4 Rxc2+ 6. Qxc2 Qxc2+
                                    7. Kxc2 Bxd4 8. Bxd4 Be4+ 9. Kb3 Rd8
               14    35.70   0.00   1. ... Kg8 2. Bxe5 Bf2 3. Bf6 Re2 4.
                                    Rd8 Bh4 5. Rxf8+ Kxf8 6. Rd8+ Re8 7.
                                    Rxe8+ Qxe8 8. Bxh4 Qe3+ 9. Kb1 Qg1+
                                    10. Ka2 Qxg2 11. Qf4 Qxc2 12. Qxh6+
               14->  40.01   0.00   1. ... Kg8 2. Bxe5 Bf2 3. Bf6 Re2 4.
                                    Rd8 Bh4 5. Rxf8+ Kxf8 6. Rd8+ Re8 7.
                                    Rxe8+ Qxe8 8. Bxh4 Qe3+ 9. Kb1 Qg1+
                                    10. Ka2 Qxg2 11. Qf4 Qxc2 12. Qxh6+
               15    51.44     --   1. ... Kg8
               15     1:30   0.98   1. ... Kg8 2. Bxe5 Bf2 3. Rd4 Rxe5
                                    4. Qxe5 Re8 5. Rg4+ Qxg4 6. Qxe8+ Kg7
                                    7. Qe5+ f6 8. Qc7+ Kg6 9. Rd7 Qg5+
                                    10. Kb1 Bxg2 11. Rg7+ Kf5 12. Rxg5+
                                    hxg5



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