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Thread: Cat Trap Game

  1. Top | #11
    Fair dinkum thinkum bilby's Avatar
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    The trick is to cut off all escape routes, and only then try to trap.


  2. Top | #12
    Veteran Member Wiploc's Avatar
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    Quote Originally Posted by Angry Floof View Post
    Have you won this game?
    Two out of my first three tries.

    Okay, maybe nine out of my first ten.

    One mistake would be to seal an exit early. If you seal an exit while she's three steps from it, that's three steps she won't waste.

    I wonder if she doesn't run for the opening you're trying to seal. If you start by working on a wide far-away exit, that may keep her from using a nearby exit.

  3. Top | #13
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    Quote Originally Posted by bilby View Post
    The trick is to cut off all escape routes, and only then try to trap.

    Quote Originally Posted by Wiploc View Post
    Quote Originally Posted by Angry Floof View Post
    Have you won this game?
    Two out of my first three tries.

    Okay, maybe nine out of my first ten.

    One mistake would be to seal an exit early. If you seal an exit while she's three steps from it, that's three steps she won't waste.

    I wonder if she doesn't run for the opening you're trying to seal. If you start by working on a wide far-away exit, that may keep her from using a nearby exit.
    I agree with both of you--the basic strategy is to draw a dotted line around the outside and then fill in as needed to trap her--as you're filling in a line you can draw faster than she can move.

    It seems to me random, though--if she starts out heading the other way from my first move she probably escapes.

  4. Top | #14
    Content Thief Elixir's Avatar
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    Quote Originally Posted by Loren Pechtel View Post

    Quote Originally Posted by Wiploc View Post

    Two out of my first three tries.

    Okay, maybe nine out of my first ten.

    One mistake would be to seal an exit early. If you seal an exit while she's three steps from it, that's three steps she won't waste.

    I wonder if she doesn't run for the opening you're trying to seal. If you start by working on a wide far-away exit, that may keep her from using a nearby exit.
    I agree with both of you--the basic strategy is to draw a dotted line around the outside and then fill in as needed to trap her--as you're filling in a line you can draw faster than she can move.

    It seems to me random, though--if she starts out heading the other way from my first move she probably escapes.
    The cat starts 5 moves from escape. He can always be trapped, I believe, even if no places are blocked out at the beginning.

  5. Top | #15
    Content Thief Elixir's Avatar
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    Quote Originally Posted by Elixir View Post
    Quote Originally Posted by Loren Pechtel View Post

    Quote Originally Posted by Wiploc View Post

    Two out of my first three tries.

    Okay, maybe nine out of my first ten.

    One mistake would be to seal an exit early. If you seal an exit while she's three steps from it, that's three steps she won't waste.

    I wonder if she doesn't run for the opening you're trying to seal. If you start by working on a wide far-away exit, that may keep her from using a nearby exit.
    I agree with both of you--the basic strategy is to draw a dotted line around the outside and then fill in as needed to trap her--as you're filling in a line you can draw faster than she can move.

    It seems to me random, though--if she starts out heading the other way from my first move she probably escapes.
    The cat starts 5 moves from escape. He can always be trapped, I believe, even if no places are blocked out at the beginning.
    Still haven't been able to prove that theorem... Won thirty-something in a row trying to figure it out, though. The cat always takes the shortest route to the edge, no matter how stupid it is, so it can always be beaten as far as I can tell, but only because of its inability to resist the shortest path.

  6. Top | #16
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    Quote Originally Posted by Elixir View Post
    Quote Originally Posted by Elixir View Post

    The cat starts 5 moves from escape. He can always be trapped, I believe, even if no places are blocked out at the beginning.
    Still haven't been able to prove that theorem... Won thirty-something in a row trying to figure it out, though. The cat always takes the shortest route to the edge, no matter how stupid it is, so it can always be beaten as far as I can tell, but only because of its inability to resist the shortest path.
    I find myself having trouble with his first move. If he moves as he is facing on the first move then I can trap him. Sometimes he turns for no reason I can discern, though, and then he is liable to escape.

  7. Top | #17
    Content Thief Elixir's Avatar
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    Quote Originally Posted by Loren Pechtel View Post
    Quote Originally Posted by Elixir View Post
    He can always be trapped, I believe, even if no places are blocked out at the beginning.
    Still haven't been able to prove that theorem... Won thirty-something in a row trying to figure it out, though. The cat always takes the shortest route to the edge, no matter how stupid it is, so it can always be beaten as far as I can tell, but only because of its inability to resist the shortest path.
    I find myself having trouble with his first move. If he moves as he is facing on the first move then I can trap him. Sometimes he turns for no reason I can discern, though, and then he is liable to escape.


    The direction of his initial move can be influenced by your first move and/or the given dark spaces, but I've found that if I guess and use my first turn to start laying a trap, the time to final trappage is greatly reduced on average. The "trick" to winning every time is to start counting the number of moves for the cat to get to the edge, and prepare a trap accordingly. If I can't trap him right away, I chase him back toward the middle - as many moves from the edge as possible. If it gets dire and he's like 3 moves from a completely open edge, I can still get him if but have to keep him out of the corners...
    It's more fun (for me) to see how fast I can trap him - it's amazing how many mistakes I make - it's as if six possible outcomes in the cat's next move are too many to keep in mind. Something possibly age-related?

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