Author: Andrew Williams
Date: 10:29:59 04/06/02
Go up one level in this thread
On April 06, 2002 at 08:30:58, Gian-Carlo Pascutto wrote: >On April 05, 2002 at 17:26:08, Andrew Williams wrote: > >>So it switched back and forth between Rxf3 and Nc6 and for several moves it >>didn't see anything particularly wonderful in the position. > >Ok. I've sinced fed the position to Sjeng another time and it has >similar behaviour, though it only likes Rxf3 in the first >few plies. Originally I thought it didn't consider it at all, >which I disliked since I consider it good 'style' to play >this move. > >Feeding it to a few pro's, it seems that some find this immediately >and stick with it, and others don't like it at all. > >Since it seems to be a fuzzy issue, I can live with it not playing >that move :) > >>Looking at the log of the game, PM seemed to think that 21.Rd3 was dubious. >>It was expecting 21.e5 > >I haven't analyzed further yet... > >>I've noticed a few games recently where PM has opened up the h-file or g-file >>against Sjeng and then gone on to lose the game if Sjeng survives the attack. >>In fact, I've been thinking of modifying my code which rewards attacks on g8/h8 >>by a Rook or Queen (assuming there's more Rooks/Queens to back up the attack) >>simply because I've watched a couple against Sjeng where PM has badly >>over-estimated an attack. I know it's not logical to make changes just because >>I happen to be watching when something goes wrong, but it's very tempting >>sometimes. > >I know the feeling, I behave similarly. I've now seen Sjeng allow rooks on >the seventh in two games, so I'll be unable to resist the urge and set the >bonus for that up :) > LOL! I've had exactly the same experience with (other programs') Rooks on the 7th!! >I think Sjeng is rather good (for an amateur...) in estimating whether an >attack will work or not, and it can have a >'so-where's-your-compensation-now-uh?' >attitude. If you give too much bonus, it's perfectly possibly you see this >problem amplified against my thing because it will _let_ you attack. > Yes. I think this is what is happening. >On the other hand, if there's not much attacking to do, PM seems just to, >well, outplay Sjeng. I've seen it happen in the last series of standard >games we've played, and I have no idea what it's doing wrong, which is >annoying, since I can't fit what I don't know is wrong :/ > >Currently, I'm more or less _hoping_ that you were just lucky :) > Yeah. It takes a lot of games to tell. Andrew
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