Author: Martin Grabriel
Date: 20:51:15 11/15/00
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a pawn move that reveals a discovered check ? - that check cannot be a double check On November 15, 2000 at 20:40:16, Lenard Spencer wrote: >This question may probably be best answered by the problemists, but if what I'm >thinking is correct, it may be possible to make looking for double checks go a >lot faster than the brute force approach of looking all over the board for more >than one checker. > >Has anybody seen anything written on the subject of what makes a double check a >"legal" double check? I mean, one that can only happen in the course of a game? > One example, for a pawn to be involved in a double check (not counting >promotions), it can only be on a capture, discovering a rook or queen behind it. > >I have been looking long and hard at this, and it seems to me (of course I'm >only a 1250 OTB player) that there are only certain circumstances that will >allow a legal double check. I would like to locate any material like this to >see whether I am right or wrong. > >Thanks in advance for any help.
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