Author: Jeremiah Penery
Date: 16:40:28 12/01/99
While watching Crafty play some games today, I thought of an interesting, but likely unfeasable idea. The problem was that one of Crafty's pieces was hopelessly trapped, but it pushed the loss over the horizon. It still lost the piece. The idea is a way of detecting such trapped pieces, and evaluating them properly, so they will have no chance to be pushed over the horizon. Do a small search with each piece (not pawns) at the root - at least a 2-ply search on all the moves for this piece. If the search finds that the piece can't escape, then the score drops. The problem is that this probably won't do much good once it happens at the root, and it may be unfeasable in the tree. However it's done, there should be a way of detecting trapped pieces. :)
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