Author: Roy Eassa
Date: 13:15:28 01/24/02
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On January 24, 2002 at 16:06:01, Roy Eassa wrote: >Aha, I see the position was posted incorrectly (checking the Chesscafe site). >Try this one: > >[d] 8/4p1q1/1p1p4/1P3R2/P6k/8/8/4R2K w - - 0 1 > >Now 1.Ree5!! wins. And it's a very good puzzle. Fritz 7 doesn't see it quickly >on my Athlon 1.2. 1.Ree5!! dxe5 2.Rf2 Qg3 3.Rh2+ Kg4 4.Rg2 e4 5.Rxg3+ Kxg3 6.Kg1 Kf3 7.a5 bxa5 8.b6 e3 9.Kf1 +- Fritz 7 does not see it in over 2.5 minutes on my Athlon 1.2 GHz. However, when I make the move manually, Fritz immediately sees that Black is lost. Is this due to null move pruning?
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