Author: Fernando Villegas
Date: 08:02:46 08/04/99
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I am not a programmer, but a seasoned player and maybe I can hint to other way to see this problem of the “easy moves” on the ground of what a human player thinks and do when faced with an obvious move to do. And what an experienced player do is to discriminate between two different classes of “obvious moves”: normal ones and those to answer maybe-winning-sacrifices moves by the rival. A normal one is just to recapture a piece that has made a normal capture before. If my opponent take my bishop with a knight, so not giving nothing for free, I just analyze a few ply in order to discover if that capture is or not part of a mate combination, specially if that happens near my king. Mates combinations beginning with a normal capture -by example, to kill a defensive piece before launching the mate attack- normally are inside an horizon of no more -normally- than 6 ply. So in these kind of cases -recapture after a “normal” capture- that should be enough in a couple of seconds of search for the program. But then we have the second class of obvious moves, those that follow an strange, no normal move. If my opponent play Bxh3+ , so losing at once material, I tend to thinks that is part of a masive attack and so i will not recapture at once, but take a deep look, in fact deeper than against any other normal move. A program should do the same each time an aparent sacrifice is being performed. An ad-hon culd be to consier the quealuty of he previous moves. I suppose that an opponent that have played several best moves according he program is not a beginner and so every unbalanced mve that he do shuld be consdered with the utmost care. And vice versa. So, easy moves should be treated depending of what class of capture is being perfomed by the opponent. Is a balanced one in terms of material? Happens near the king or the queen? Is not balaced but on the contrary lose material? I Hope not to bother nobody with maybe an obvious analysis...:-) Fernando
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