Author: Rob Basham
Date: 11:21:08 04/30/05
Go up one level in this thread
On April 30, 2005 at 12:12:48, John Merlino wrote: >On April 30, 2005 at 08:57:14, Rob Basham wrote: > >>[D]rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - - 0 1 >> >>Any program find....Rd5....? >> >>All my programs just play Nd5... >> >>Rd5 attacks Queen and blocks the fifth file all in one move, >>so gains a tempo, permiting the next move Nh5..(after cxd5) etc. >> >>This could be a move that the computers just do not play. >> >>Rob > >The problem is that cxd5 is not required for Black. After 1.Rd5 Qc7! 2.Rh5, The >King (CM9_R1 on a P4-2.4) gives 2...Na6 an eval of about +0.9 for White after >three minutes, which isn't particularly exciting. > >After 2...Na6, the line might go 3.Bd4 f6 4.Qb3+ Rf7 5.Rf1 Qd7, and Black might >be able to hold. The eval at this position after three minutes is still in the >+0.9 range. > >However, 1.Nd5 will probably have an eval of around +2.5 for White, which is >much harder to ignore.... > >jm Thanks John.. Maybe so....but most humans would reply with PXR, and then Nh5, g6... also gets exciting...:-) thanks again... Rob
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