Author: Sergei S. Markoff
Date: 01:43:31 10/23/03
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Hello! >In case you forgot, the evaluation can just return 1 score Oh when I was such simply guy Than I was clean and brave :) >score it can't return 2 scores for either positional or tactical matters. The matter is not about the returning more than one score in search. The matter is to use eval disequilibrium in current node to make some descisions. It can affect search or evaluation itself. But, anyway, it's not impossible to use two scores. One example Centaur program which uses two evals - pessimistic and optimistic. It's allows to produce good cut-offs where optimistic eval < alpha or pessimistic > beta. I don't know detatil but it seems to be interesting concept. In my case I'm talking not about rebuilding whole search scheme but about more clever using of eval. to guide the search (basic SmarThink concept is to make search knowledge-based). But it's also about evaluation - what score must return eval in a case of losing one or two pawns vs lot positional advantage (king attack, passed score)? Best wishes, Sergei
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