Author: Helmut Conrady
Date: 14:00:03 09/15/00
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On September 15, 2000 at 16:25:14, Uri Blass wrote: >On September 15, 2000 at 15:53:02, Helmut Conrady wrote: > >>On September 15, 2000 at 09:38:12, walter irvin wrote: >> >>>On September 15, 2000 at 08:18:59, Helmut Conrady wrote: >>> >>>>Im wondering, what is the deepest chessproblem ever composed. There is a problem >>>>created by Petrovic in 1969 which might lead to a mate in 270. >>>> >>>>[D]8/Bk3p1p/1P3p2/KP2n2p/1P1p4/1Pp2p2/B1P5/7B w - - 0 1 >>>> >>>>Unfortunately I haven t got the solution. >>>> >>>>Can onyone explain how to win this. >>>>Does anyone know a deeper problem? >>>> >>>>Thanks in advance. >>>> >>>>Helmut >>> >>>you are wrong the deepest chess position is indeed the start position and no one >>>has ever solved it and no one ever will .if anyone can find a deeper problem >>>show me . >> >>You re wrong. I asked Fritz. He told me 1. e4 leads to a mate in 6543 moves >>while all others draw! > >Can you post the main line of Fritz? > >mate in 6543 is a draw by the 50 move rule because there are 96 possible pawns >moves and 30 possible captures. >There are at most 126 moves that are captures or pawn moves and there are less >than it because some pawns pushes are captures or some pawns are captured before >they go to the 8th rank(1st rank). > >Even if you assume that there are 126 captures or pawn moves then it is >impossible to put them in 6543 moves(every move is 2 plies except the last move) >without getting a draw by the 50 move rules. > >Uri You are right. The longest game according to the 50 move rule is something about 6100. I changed the numbers. Correct is 5643 moves. Sorry. Ashes on my head. Unfortunately Fritz doesn t give me his main line. He told me he will keep this record by himmself. :( Helmut
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