Author: José de Jesús García Ruvalcaba
Date: 14:28:52 07/19/99
Go up one level in this thread
On July 19, 1999 at 17:19:09, Dann Corbit wrote: >On July 19, 1999 at 16:51:18, Michael J Fitch wrote: > >>On July 19, 1999 at 15:34:34, Tania Devora wrote: >>> >>>Sorry the las positions is this : >>> >>> >>>White : Ra2. Kc8. >>>pawns : b6. >>> >>> >>>Black : Ka8. Bb8 >>>Pawns : b7. a6. >>> >>> >>> >>>Fritz cant see a simple MATE IN TWO !! >>> >>>Hiarcs cant see in less than a second! >> >>If the position you give above is correct.there is no mate in 2(sorry) >>My Fritz5 in chessbase 7 gives a mate in 8 in a 20 seconds >Actually, assuming that white is to move [the only possibilty since white is in >check], there is a mate in 3: >H:\foobart\sub\Release>chest < t >CHEST version 3.15, 28-Dec-1998 >Options = >Input file: STDIN >Reading job: >W: Kc8 Ra2 Pb6 (3) >B: Ka8 Bb7 Pa6 (3) >FEN: k1K5/1b6/pP6/8/8/8/R7/8 w - - >analysing (mate in 8 moves): >Solution (in 3 moves): > Kc8 - c7 >refu 1: Kd8 Bc6 [ 2-] >refu 2: Kc7 a5 [ 1-] >solu 1: a5 [ 2+] >solu 2: Bd5 [ 1+] >solu 3: Be4 [ 1+] >solu 4: Bf3 [ 1+] >solu 5: Bh1 [ 1+] >solu 6: Bc8 [ 2+] >solu 7: Bc6 [ 1+] >solu 8: Bg2 [ 1+] >refu 3: Kd7 Bc6+ [ 2-] >solu 9: Bc8+ [ 2+] >Time (user) = 0.00 sec > >It would be nice if the positions were posted in standard EPD or at least the >side to move were specified. Hi Dann, you did not copy the position correctly. Black has a pawn on b7 and a bishop on b8, so the white king at c8 is not in check. Still I am baffled, it seems that famous Morphy problem but copied wrong, too! José.
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