Author: Michael Neish
Date: 19:59:20 05/21/00
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>There are a couple of obvious things. > >1. Bg4 is silly. After f3, it has to retreat. Thanks for the reply. Do you think Fritz played that move because it thought that f3, driving the Bishop away, would weaken White's Pawn structure? If so, it would have considered it a worthwhile sortie. About locked positions -- there are certain themes that seem to recur in positions of this kind. The sort of locked positions one gets coming out of certain openings seem to be very similar to each other (and long lasting), similar and long-lasting enough that I think one could check for the occurrence of these structures before entering Search(), in PreEval() and change some parameters accordingly, such as command of space, King Safety bonuses for the proximity of the enemy's Pawns, mobility factors for Bishops blocked behind their own locked Pawns, etc. It seems a very simple idea -- do you think it would work? I'm trying to do something along these lines (for simpler positions, mind you), but it's too early to tell whether they have a net positive effect. >2. after f4, black needs to play ef, rather than allowing the pawn to be >pushed to f5. After f5, white has lots of space on the kingside, and the pawn >roller is hard to stop. Black, meanwhile, has a locked center to play with and >has a hard time defending on the kingside with so little space there. Seems very sensible. But after f5 can Black still hold the game? If so, how? Cheers, Mike.
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