Author: Howard Exner
Date: 04:08:34 01/30/00
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On January 30, 2000 at 06:50:55, David Blackman wrote: >On January 30, 2000 at 04:07:51, allan johnson wrote: > >>On January 30, 2000 at 04:05:13, allan johnson wrote: >> >>>How many programmes out there can find the wonderful rook sac in the position >>>below? Neither Rebel Century nor Fritz 5.32 got close within 10 minutes on >>>a Celeron 433 128 mb ram.It comes from a game between G Sax and J Kestler >>>Nice 1974. >[D]r1b1k3/2q1ppb1/2p2n2/3p1PBB/2nP3P/Pp5N/1P2Q1P1/2KR3R b-- >>> If someone thinks the sac is suss please let me know. >>>1... Rxa3 2pxa3 Qa5 3Rd3 Qxa3ch 4Kb1 Bxf5. At this point both Rebel and Fritz >>>were acknowledging white's position is lost. > >I wonder if 3 Rh-f1 might last a little longer? I can't see what Rd3 is supposed >to achieve. If 3. Rh-f1 it's mate in two starting with Qc3+ > >But apart from that it just looks like a typical position designed to make null >move look bad. Fritz is a famous null-mover. Rebel is claimed not to use >standard recursive null move, but probably uses some other pruning scheme that >has the same problem here. Junior is supposed to do no null moves for the first >few moves. Perhaps it would understand this.
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