A feature request related to this: In uct_evaluate, don't process moves that are symmetrically-equivalent to moves that have already been processed.
On Thu, Jul 14, 2011 at 9:25 PM, Michael Williams < [email protected]> wrote: > I noticed some unusual beharior from Pachi on 6x6 with komi 4. I > understand that this is not a format that you are targeting or have tested > extensively, but I thought I would mention it in case it is symptomatic of > something that may also come into play at other sizes. > > I set up the board, played the natural first move at D4, and then called > uct_evaluate: > > > > ./pachi -d 0 > boardsize 6 > = > > komi 4 > = > > clear_board > = > > play b d4 > = > > uct_evaluate white > = A1 0.094 > B1 0.156 > C1 0.165 > D1 0.194 > E1 0.143 > F1 0.125 > A2 0.150 > B2 0.204 > C2 0.262 > D2 0.257 > E2 0.223 > F2 0.154 > A3 0.155 > B3 0.261 > C3 0.632 > D3 0.256 > E3 0.254 > F3 0.154 > A4 0.213 > B4 0.252 > C4 0.230 > F6 0.095 > E4 0.277 > F4 0.188 > A5 0.142 > B5 0.242 > C5 0.235 > D5 0.247 > E5 0.208 > F5 0.162 > A6 0.116 > B6 0.135 > C6 0.150 > D6 0.226 > E6 0.152 > > > Everything looks good. The highest-rated reply is C3. But when I call > genmove: > > > genmove w > = D5 > > > It never returns C3. It returns either D5 or E5. The same problem occurs > with komi 3.5. > > >
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