citan uzuki
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Strange behaviour of Fritz in this problem - 2006/10/21 17:01
Chess Amateur 1922
Blathy O.T.
Mat in 16 moves
White : King e1 Pawn h2
Black : King c1 Queen a2 Rock d2,b3 Knight e1,b1 Bishop a3, d1 Pawn b2,b4, c2,c3,c4,c5,d3,e2
So Black as all his pieces & White only the King + 1 Pawn
The solution is easy to negatively find as Black has always exactly one legal motion :
1.Kxe1 Qa1 2.h3 Qa2 3.h4 Qa1 4.h5 Qa2 5.h6 Qa1 6.h7 Qa2 7.h8N Qa1 8.Ng6 Qa2
9.Ne5 Qa1 10.Nd7 Qa2 11.Nxc5 Qa1 12.Ne4 Qa2 13.Nd6 Qa1 14.Nxc4 Qa2 15.Na5
Qa1 16.Nxb3# 1-0
But whatever the time Fitz8 and all other engines hideously give evalution 0.00 before the 15 motion where they announce proudly mat in one !
Why this strange behaviour ?.
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