Author: Daniel Shawul
Date: 23:15:42 09/26/04
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On September 27, 2004 at 01:03:39, Sergei S. Markoff wrote: >>Sergei -- when you refer to the leaf and pre-leaf we assume you >>mean depth == 0 and depth == 1 respectively. Please correct this >>if we are wrong. > >You're right. The main idea is to decrease rate of cases in which after threat >we're going into quiescence with it's null move. Pre-leaf (depth==1) nodes are >important because it's preferable to detect threat chains. after reading what you and tord wrote some time ago on this extesnion, i tried it. First time i did for the whole big depths and it slowed down my search considerably. then i restrained it to depth < 2*UNITDEPTH and it is working fine now. Another thing i tried is , i search the "mate threat move" and the other "threat move" next to hashtable move. This also improved my move ordering. thanks for sharing your ideas! daniel
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