Author: Andreas Stabel
Date: 09:15:17 02/05/02
Go up one level in this thread
On February 05, 2002 at 11:40:06, Sune Fischer wrote: >On February 05, 2002 at 11:27:20, Uri Blass wrote: > >>On February 05, 2002 at 10:10:46, Andreas Stabel wrote: >> >>>On February 05, 2002 at 10:02:27, Andreas Stabel wrote: >>> >>>>On February 05, 2002 at 09:56:27, Sune Fischer wrote: >>>> >>>>>On February 04, 2002 at 18:07:55, J. C. Boco wrote: >>>>> >>>>>>nt >>>>> >>>>>A good way to get the fen right, is to setup the position in e.g. winboard and >>>>>choose "File -> Copy Position To Clipboard", then paste it here with Ctrl-v. >>>>>Remember to put the [D] in front. >>>>> >>>>>-S. >>>> >>>>I'm sorry but that won't work, winboard has strange ideas about castling. >>>>F.ex. if you do the moves 1. e4 e5 2. Ke2 Ke7 3. Ke1 Ke8 >>>>from the opening position and save the FEN you get: >>>>rnbqkbnr/pppp1ppp/8/4p3/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 4 >> >>Chessbase has similiar behaviour >>rnbqkbnr/pppp1ppp/8/4p3/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 3 >> >>>> >>> >>>And it also has strange ideas about en passant, I pasted the following >>>FEN into winboard: >>>rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR w KQkq c6 0 2 >>> >>>When I saved the position I got: >>>rnbqkbnr/pp1ppppp/8/2p5/4P3/8/PPPP1PPP/RNBQKBNR w KQkq - 0 1 >> >>I think that winboard is correct in this case when chessbase interface that gets >>what you expect is wrong. >> >>en passant capture is not possible in the relevant position so I do not see a >>reason for the FEN to include irrelevant information. >> >>The more interesting question is what winboard does in the following position >>when the last move is not irrelevant. >> >>rnbqkb1r/pp1ppppp/5n2/2pP4/8/8/PPP1PPPP/RNBQKBNR w KQkq c6 0 2 > >The same: >rnbqkb1r/pp1ppppp/5n2/2pP4/8/8/PPP1PPPP/RNBQKBNR w KQkq - 0 1 > >But strangely enough, the en-passent move is a legal move on the board!? > >Does Tim Mann know of this, it must be a bug? > >-S. > >>Uri It seems that winboard does not care about the en passant value. It will alow an en passant capture as long as there are two pawns in the right position anyway. It will even alow an en passant capture in the following position where the last move couldn't have been d7-d5: [D]rn1qkbnr/pp1bpppp/8/2ppP3/5P2/8/PPPP2PP/RNBQKBNR w KQkq - 0 4 Regards Andreas Stabel
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.