Author: Howard Exner
Date: 22:17:35 09/10/99
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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.
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