Author: Richard A. Fowell (fowell@netcom.com)
Date: 14:34:23 03/12/00
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On March 11, 2000 at 21:23:47, pavel wrote: >On March 11, 2000 at 12:33:40, pavel wrote: > >>hi, >> this is the first time i am ever trying a diagram in this forum, >>if it doesnt work i am sorry for any inconvenience. and if it doest work, then >>thanks to dann corbit for referring to EPDdiag, in one of his post. >>the game below is from one of the many games that i played in chess server >>(chess.net) and one of my fav too. i would like to know how fast your program >>finds the mate??? >> >>white- "bigbadjohn" >>Black- "gnu" >>white elo- "1659" >>blacks elo- "1473" >>time control- "900+0" >> >>[D]3q1rk1/1R5p/R1Q3p1/3pp3/2pb4/5P1P/4r1P1/7K w - - >> >>the original moves were after this position of the game >> >>38) Re1+ >>39)Kh2 Bg1+ >>40)Kg3 Qg5# >> >>i personally found the mate very interesting, what do you think? >>i played under the handle "gnu" >>thanks for any comments and feedbacks >>and by the way "comet doesnt finds the mate" >>and all other programs that i have finds the mate less then 1 min. >>junior6 finds it in 23sec!!!! >>thanks >>pavel > > > > >hopefully corrected and black to move (sorry for the trouble) >and thanks for everyones feedback. >but no one really commented about the mate ;) >pavel The mate is rather economical, once White plays Kg3. every square is covered/blocked once and only once, except for g2. If you were to try to compose a problem based on this, you'd try to do something about that. It is a variety of "epaulette mate". Here's the classic form: [D]6k1/8/8/8/8/6q1/8/5RKR w - - I saw one of my programs delivery a similar "epaulette mate" with the king on g3 in a similar position. I don't remember it exactly, but it went something like this: Black to move and mate in 3: [D]5qk1/1R5p/2Q5/3pp3/2p4b/7P/6P1/7K b - - (An easy problem - ChessGenius sees it in 2 seconds on my 16 MHz Palm III.) http://www.chessgenius.com/ Richard A. Fowell (fowell@netcom.com) http://dmoz.org/Games/Board_Games/Chess/Software/Macintosh/
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