Author: allan johnson
Date: 16:51:39 09/11/99
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On September 11, 1999 at 01:17:35, Howard Exner wrote: >On September 10, 1999 at 21:11:53, allan johnson wrote: > >>On September 09, 1999 at 02:22:03, Jouni Uski wrote: >> >>>Both claimed virtually impossible for programs (couple of years ago): >>> >>>1. 8/8/8/1k3p2/p1p1pPp1/PpPpP1Pp/1P1P3P/QNK2NRR w - - white wins >>> >>>2. 1R6/7K/8/5P2/8/8/3n2kp/8 w - - white draws >>> >>>I don't know solutions myself yet... >>> >>>Jouni >> >>Jouni With problem number 2 I think white draws if it plays 1 Rb6 h1=Q >>2 Rh6. In this way it can defend itself and push its pawn towards the 8th >>rank.Black is unable to get its knight and king into the action in time >>None of my programmes considered Rb6 but when I entered it into CM6000 >> and set it on auto play (3min a move) it came up with the following. >>1Rb6 h1=Q+ >>2Rh6 Qb1 >>3Rg6+ Kf3 >>4f6 Qb7+ >>5Kg8 Qb8+ >>6Kg7 Qb2 >>7Kg8 Qb6 >>8Kg7 Qd4 >>9Kg8 Qd6 >>10Kg7 Qe5 >>11Kg8 Qe8+ >>12Kg7 Ne4 >>13f7 Qe5+ >>14Kg8 Qd5 >>15Kg7 Qd4+ >>16Kg8 Qc4 >>17Kg8 and at this point I stopped the game because cm 6000 was acknowledging the >>draw.Of course someone may dispute this variation but my guess is that Rb6 >>is the only way that white can save the game. >>Cheers Allan > >1. Rb1 Nxb1 2. f6 h1=Q+ 3. Kg7 Kf3 4. f7 Qg1+ 5. Kh8 Qh2+ 6. Kg8 Qg3+ 7. >Kh8 Qe5+ 8. Kg8 Qg5+ 9. Kh8 Qf6+ 10. Kg8 Qe6 11. Kh8 = > >Try this line out on cm6000. It utilizes the theme of the bishop pawn draw. >The Knight is too far away to be of ant help. I do believe you are right Howard.I hadn't really considered Rb1 believing it to be a losing move.This problem and its solution is just one more reason why I love chess. Working on chess problems teaches you to take nothing for granted. Al
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