Christopher Rosin wrote: >greenpeep's patterns include the local 3x3 neighborhood. In addition, >for each of the four nearest neighbors, it includes liberty count info if >that neighbor is occupied, or otherwise info about 2-away point just >beyond that neighbor if the neighbor itself is empty.
Liberty information in patterns is a good idea. That might contribute to improve the quality of playouts. >1) basic UCT with self-play patterns in the MC playouts. This had no other >MC >biases for locality, captures, etc., and did not use patterns to bias UCT >choices, >and did not use all-moves-as-first: 24% >2) like (1), but replacing self-play patterns by an implementation of MoGo's >full scheme for MC playouts (as described in the MoGo report RR-6062); >this doesn't use the self-play patterns at all: 47% >3) like (2), but using the self-play patterns to bias the MoGo MC scheme's >final fallback to random global moves: 54% >4) to (3), add self-play pattern bias in UCT tree, and all-moves-as-first: >77% >5) Like (4), but replacing MoGo's local-move patterns by locally restricted >self-play patterns (so this is no longer using MoGo's hand-coded patterns, >but still uses the explicit preference for captures/saves and local moves): >84% Thanks for interesting results. -- Yamato _______________________________________________ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/
