Author: Eric Oldre
Date: 12:57:35 04/29/04
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On April 29, 2004 at 10:00:47, Jeff GAZET wrote: >Good morning, > >In this position, my engine plays Ng7 :-) >r1b2r1k/pp2q1pp/2p2p2/2p1n2N/4P3/1PNP2QP/1PP2RP1/5RK1 w - - 0 1 bm Nd1 >So, it traded a knight for 2 pawns. Here is the PV : >h5g7 f8g8 f2f6 e7g7 g3g7 g8g7 f6f8 g7g8 g2g4 g8f8 f1f8 > >Where should i say that trading pieces vs pawns is not a good idea ? >Do i have some eval constants too big ? > >Thanks. I seem to be getting a similar issue. I've had a few games where my engine has been pretty far down in non-pawn material. but it's wiped out most of the enemy pawns and has a string of 3-4 passed and connected pawns. It thinks its ahead by a good margin. been trying to think of a way to change the evaluation to not give so much weight to that long line of passed pawns perhaps only giving bonuses for up to two passed pawns. or maybe i'm just valuing them too much to start with. passed + connected on rank 6-7 + 100 plus piece/position value of 40 plus material 100 = 240 for a passed/connected pawn on rank 6/7 if anyone else has had this issue, how have you approached it? Eric
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