Author: Gian-Carlo Pascutto
Date: 05:30:58 04/06/02
Go up one level in this thread
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 :) 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. 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 :) -- GCP
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