Author: Sune Larsson
Date: 00:48:30 12/25/05
Go up one level in this thread
On December 25, 2005 at 03:22:56, Uri Blass wrote: >On December 25, 2005 at 03:03:00, Sune Larsson wrote: > >>On December 25, 2005 at 02:43:23, John Merlino wrote: >> >>>On December 25, 2005 at 02:32:15, Uri Blass wrote: >>> >>>>On December 25, 2005 at 02:24:19, Sune Larsson wrote: >>>> >>>>>On December 24, 2005 at 20:49:48, John Merlino wrote: >>>>> >>>>>>On December 24, 2005 at 20:30:05, Alessandro Scotti wrote: >>>>>> >>>>>>>On December 24, 2005 at 20:14:19, Mark Ryan wrote: >>>>>>> >>>>>>>>http://www2.forthnet.gr/chess/xmasmil.html >>>>>>>> >>>>>>>>I do NOT know the answer. >>>>>>> >>>>>>>[D]8/3p4/3p4/2pPp3/1pPkPp2/1n1p1n2/P2p2P1/3K4 b - - - - >>>>>>> >>>>>>>Kiwi can't see it either... >>>>>>> >>>>>>> 3/ 9 +7.92 00:00 524 Ng5 axb3 Nxe4 >>>>>>> 4/ 4 +7.92 00:00 579 Ng5 axb3 Nxe4 g3 >>>>>>> 5/ 5 +9.44 00:00 3290 Ng5 axb3 Nxe4 g3 fxg3 >>>>>>> 6/ 7 +9.52 00:00 3998 Ng5 a3 Nxe4 >>>>>>> 7/21 M4 00:00 114504 Ng5 g3 Nh3 axb3 Kc3 >>>>>> >>>>>>It's a sort of trick question, but there is still a flaw in it. >>>>>> >>>>>>Unless I'm missing something, for it to be a Mate in 2 for Black White's last >>>>>>move had to have been either c2-c4 or e2-e4. After EITHER of these moves, Black >>>>>>capturing en passant leads to a Mate in 2. >>>>>> >>>>>>However, the designation on the page "there is a single answer" is not correct, >>>>>>because White could have made either of those moves, and therefore there are two >>>>>>possible responses by Black. >>>>>> >>>>>>jm >>>>> >>>>> >>>>> I'm not following you here. How, in the name of all Houdinis, could the >>>>> last white move be e2-e4??? >>>>> >>>>> /S >>>> >>>>I decided to post the solution after the hint that you give and after >>>>understanding that the site is very old site and there is no point in keeping >>>>the solution as a secret. >>>> >>>>Of course it cannot be e2-e4 because it means that the white bishop at f1 was >>>>not captured by a pawn and the position is illegal because black needs too many >>>>captures to get the pawn structure. >>>> >>>> >>>>Uri >>> >>>Indeed, very impressive. >>> >>>I found a complete description of the solution (although the board is flipped >>>such that it is WHITE to Mate in 2) here: >>> >>>www.gtryfon.demon.co.uk/bcc/news/dec98news.htm#Christmas%20tree%20puzzle! >>> >>>Fun problem! >>> >>>jm >> >> >> Yes, and if you think like children do - you'll see in an instant that e2-e4 >> couldn't have been white's last move. If the pawn was on e2 - then Bf1 would >> never ever gotten out. That's why the Houdini hint ;-) >> >> /S > >This is still no proof and you need to count number of captures to find that Bf1 >could not be captured not by a pawn. > >Uri But never forget to first look at a position with the eyes of your inner child... That way you can find the creativity. /S
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