Author: Sarah Bird
Date: 06:29:17 04/02/99
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On April 02, 1999 at 09:17:15, Sarah Bird wrote: >On April 02, 1999 at 09:15:34, Sarah Bird wrote: > >>On April 02, 1999 at 07:16:46, Alain Lyrette wrote: >> >>>While reading the dec 98 issue of Europe-Echecs i came across this and i was >>>wondering if any top programs could solve to it to the end in tournament time. >>> >>>White:Kb1,Qd1,Ra1,Rf1,Bb5,Bh6,Nf5 and pawns on a2,b2,c2,g2,h2 >>> Black:Kg8,Qc7,Ra8,Rh8,Bc8,Be5,Nb8 and pawns on >>>a7,b7,e7,f7,g6,h7....Solution:Nxe7!!,Qxe7,Rxf7!!,Kxf7,Qd5+,Qe6,Rf1+,Bf6,Rxf6!!,Kxf6,Qd4+,Ke7,Bg5+,Kf7,Bc4,Re8,Qf6+,Kg8,Bh6! >>>and mate is inevitable.i think that this problem is at the limit of what today's >>>programs can see at tournament time.At longer time controls(Hello Ed 2010!) of >>>course that should not be too difficult to solve..am i wrong? >> >> >>Something is wrong here, you have the white rook on a1 and king on b1 yet in >>your solution: >>1)Nxe7,Qxe7 2)Rxf7,Kxf7 3)Qd5+,Qe6 4)Rf1+ This rook moves to F1 despite being >>blocked by the king on b1, maybe it should be on > >(I mean c1) :-) > >f1 at the start ? or the king >>and rook positions reversed. >>UltraB It appears the analysis is faulty anyways, assuming the rook is at c1 or the rook and king are reversed king at a1 rook at b1, towards the end you play Rf8 allowing mate in (3)? though white has a win. But 3).....Qe6 what about Be6!! what then....4) Rf1...Bf6 5) Rxf6...Qxf6 6) Qxb7+...Nd7 7)Bxd7...Qf1+ Show me a win for white now !! UltraB
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