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AI Challenge Forums Falls 2011, sponsored by Google 2010-03-02T18:41:58+00:00 http://forums.aichallenge.org/feed.php?f=8&t=356 2010-03-02T18:41:58+00:00 2010-03-02T18:41:58+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=2118#p2118 <![CDATA[Re: How did you handle ties?]]> Statistics: Posted by a1k0n — Tue Mar 02, 2010 6:41 pm


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2010-03-02T16:43:52+00:00 2010-03-02T16:43:52+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=2101#p2101 <![CDATA[Re: How did you handle ties?]]>
For this contest a contempt factor was essential given the number of boards that an inferior player could draw by collision, but would lose in the endgame if given equal territory. Winning a lot of equal endgames added up big time in the Elo ranking. In fact, the only equal endgame that Janzert lost was to a1k0n. The suggests a slight improvement in the evaluation: when playing a1k0n, reverse the sign on your contempt factor! :D

Statistics: Posted by Fritzlein — Tue Mar 02, 2010 4:43 pm


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2010-02-28T17:45:36+00:00 2010-02-28T17:45:36+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=1949#p1949 <![CDATA[Re: How did you handle ties?]]>

Each of my possible moves was given a score. Let MIN be a certain minimum good score.

If the best score/direction is also a potential tie, then we see if the second best score/direction is greater than MIN. If so, choose the second best.

Statistics: Posted by luv2run — Sun Feb 28, 2010 5:45 pm


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2010-02-28T16:21:37+00:00 2010-02-28T16:21:37+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=1943#p1943 <![CDATA[Re: How did you handle ties?]]> So if my opponent is shy (but not loosing to much because it could be suicidal but that's handled by the minmax anyway), I should not penalize a collision move. But if I want to win and I know he's aggressive, I should penalize the draw... But not too much ! Because a draw is better than loosing...

In facts, I think that penalizing the draw was a bad idea against good bots because a draw is not so bad against them :D. And because, often, there is an important square, shared by the 2 bots (for their next possible move) and if one of them is too shy to take it, the other can win the game...

Statistics: Posted by Maxime81 — Sun Feb 28, 2010 4:21 pm


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2010-02-27T23:53:00+00:00 2010-02-27T23:53:00+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=1907#p1907 <![CDATA[Re: How did you handle ties?]]> Statistics: Posted by dutchflyboy — Sat Feb 27, 2010 11:53 pm


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2010-02-27T21:39:07+00:00 2010-02-27T21:39:07+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=1901#p1901 <![CDATA[Re: How did you handle ties?]]> Statistics: Posted by Maxime81 — Sat Feb 27, 2010 9:39 pm


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2010-02-27T20:43:58+00:00 2010-02-27T20:43:58+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=1899#p1899 <![CDATA[Re: How did you handle ties?]]> Statistics: Posted by analyst74 — Sat Feb 27, 2010 8:43 pm


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2010-02-27T19:14:04+00:00 2010-02-27T19:14:04+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=1896#p1896 <![CDATA[Re: How did you handle ties?]]> Statistics: Posted by a1k0n — Sat Feb 27, 2010 7:14 pm


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2010-02-27T14:03:45+00:00 2010-02-27T14:03:45+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=1866#p1866 <![CDATA[Re: How did you handle ties?]]> Statistics: Posted by iouri_ — Sat Feb 27, 2010 2:03 pm


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2010-02-27T05:46:33+00:00 2010-02-27T05:46:33+00:00 http://forums.aichallenge.org/viewtopic.php?t=356&p=1843#p1843 <![CDATA[Re: How did you handle ties?]]> Statistics: Posted by montanalow — Sat Feb 27, 2010 5:46 am


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