On Sun, 23 Jun 2013, "Ingo Althöfer" wrote:
Hi,
GoTools by Thomas Wolf is top.
Although with GoTools you can specify a chain and ask whether it can be
captured or not, it is a program with an internal boolean search, i.e.
all or nothing, and by running repeatedly (internally) it also can work out
the ko status but invasions are oftennot all or nothing questions unless the
available space is so huge that a complete search aiming at accurate results
has no chance. So, MCTS (maybe locallized) is better suited for that kind of
task.
Thomas
Ingo.
Gesendet: Sonntag, 23. Juni 2013 um 04:11 Uhr
Von: "Mark Goldfain" <[email protected]>
An: [email protected]
Betreff: [Computer-go] Tsumego Solvers
Does anyone have a good tsumego-solving program? It seems a good,
separate question, not necessarily part of a full game-playing program.
I'd like to see if I could modify one to seek specific goals. For
example, given a portion of a board, is there a move sequence that
successfully invades and lives? Then, given that one can invade and
live, with some initial move giving probability of success alpha, then
lowering the threshold slightly to beta, which move gives the
largest-point outcome with probability > beta ?
Example:
++@++@@@++ black = @
++@+++++++ white = O
+++@++++++
++@+++++++ white to move
++@+++O+++
+++@@++O++
++++++@@O+
++++++++++
If this diagram renders well, then the first question is what move for
white has the best probability of living? But the second question, is
whether one sequence of moves leads to more damage to black's moyo than
other sequences.
I'd be interested to hear from someone who has either worked on such
issues, or has a tool that they feel is helpful for such questions. I'd
also like to hear which programs include this kind of reasoning in their
repertoire.
Many thanks,
-- Mark
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