[Pachi] Regression test suite

Jean-loup Gailly jloup at gailly.net
Sat Jun 18 17:38:04 CEST 2011

- http://files.gokgs.com/games/2011/6/18/dorabon-pachi2-4.sgf
  pachi considers the bottom left semeai won by black (but black
  loses it) and the bottom right as undecided (white is clearly
  alive). At move 270 L4 it still thinks it is leading by 80%
  although the game is lost.
  The bottom right is the same problem as
  and http://files.gokgs.com/games/2011/6/9/botkiller2-pachi30s.sgf
  This corner shape is very frequent and pachi always gets it wrong.

- http://files.gokgs.com/games/2011/6/18/pachi2-ultimakang-4.sgf
  pachi was winning up to move 230 Q14 big mistake. Win ratio dropped
  from 60% to 25% at next move.

- http://files.gokgs.com/games/2011/6/18/akkannbee-pachi2.sgf
  pachi totally confused by very simple seki.
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