Author: Richard Pijl
Date: 02:38:22 05/28/02
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On May 28, 2002 at 05:25:16, Vincent Lejeune wrote: >On May 27, 2002 at 20:05:19, pavel wrote: > >>Hi, >> >>I don't know the proper English term for it but in Dutch it is called 'Dolle >>Toren' (means something like mad rook) >>Basically one party is in a stalemate position except for one rook. The party >>with the rook tries to force his opponent to take the rook by giving continuous >>check. Such a position could emerge from the following position (from a testgame >>KnightX-Baron): >> >>[D]8/4kp1Q/5p2/4p3/5n2/3r4/r7/4R2K b - - >> >>The trap is 1..Rh3 2.Qxh3 Nxh3 3.Rxe5 and white continues to give check. > >Are you sur it's a draw here ? there are several possibilities to avoid the >check with moving the pieces who stalemates the king I'm sure. White can force check always on positions where black does not get the opportunity to capture the rook with a piece other than the king. > > >>Much better would be 1..Kd6 and the trap is disabled. > >What's the diffirence between the king on d6 and d7 ? > I think you mean the difference between d6 and e7? The difference is that white cannot take on e5 with check. > >>The latest Crafty (18.15) cannot find the solution in a reasonable amount of >>time (at least not on my machine (Mobile P-II 500Mhz), it's at ply 15 after 68 >>minutes). >>It's current pv: >> >>15 68:09 -5.31 1..Rb2 2.Qf5 Rh3+ 3.Qxh3 Nxh3 4.Rxe5+ Kd6 5.Rd5+ Kc6 6.Rd6+ Kb7 >>7.Rxf6 Rf2 8.Rb6+ Kc7 9.Rc6+ Kd8 <HT> >> >>What does your program find? >> >>Richard.
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