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Topic: Endgame Puzzle 3 (Read 574 times) |
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jdb
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Arimaa player #214
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Posts: 682
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Endgame Puzzle 3
« on: Jul 28th, 2008, 5:34am » |
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Gold's rabbit is boxed in, but there is still a way to victory.
1w Ra1 Dh4
1b cb2 re7
Link to planning window:
http://arimaa.com/arimaa/games/planGame.cgi
Note: There will always be only one winning move.
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RonWeasley
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Harry's friend (Arimaa player #441)
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Re: Endgame Puzzle 3
« Reply #1 on: Jul 29th, 2008, 10:12am » |
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Interesting that silver needs 9 steps to move the gold rabbit onto the trap from this position. 3 of them just to get the rabbit off the back rank. That's a lot more than I expected. This is used in real games to defer the threat to a trapped but not frozen piece.
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jdb
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Arimaa player #214
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Re: Endgame Puzzle 3
« Reply #2 on: Aug 19th, 2008, 12:45pm » |
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THE SOLUTION IS BELOW
1w Ra1 Dh4
1b cb2 re7
2w Dh4s Dh3w Dg3n Dg4n
2b re7w rd7w
3w Dg5s Dg4w Df4w
3b rc7w rb7w ra7e cb2s
4w De4s De3w Dd3n
4b rb7w cb1n cb2w
5w Dd4s Dd3s Dd2w Dc2w
5b ra7e rb7e rc7e rd7e
6w Db2e ca2e Dc2e cb2e
6b re7s re6s re5e rf5e
7w Dd2e De2n De3n De4e
7b rg5e rh5s
8w Ra1e Df4e Rb1w
8b cc2s
9w Ra1n Ra2n Ra3n Ra4n
9b cc1w
10w Ra5e Rb5n Rb6n Rb7n
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RonWeasley
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Harry's friend (Arimaa player #441)
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Re: Endgame Puzzle 3
« Reply #3 on: Aug 20th, 2008, 9:26am » |
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This solution, and the one to puzzle #2, are more complex than I realized. It's interesting how one, two, and three step moves are necessary to 1) maintain a dominant position while closing in for the win and 2) avoid losing quickly. Thanx! jdb for posting the solutions. I hope you have more puzzles.
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clauchau
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bot Quantum Leapfrog's father
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Re: Endgame Puzzle 3
« Reply #4 on: Aug 21st, 2008, 2:33am » |
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I was much surprised too when reading the solutions. I hadn't seen nor suspected many of the winning or highly resisting moves.
Thanks jdb for those pieces of objective knowledge about Arimaa.
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omar
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Arimaa player #2
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Re: Endgame Puzzle 3
« Reply #5 on: Aug 21st, 2008, 1:46pm » |
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For anyone that might not know this, you can copy and paste the solution in the text area box on this page and view the solution.
http://arimaa.com/arimaa/games/planGame.cgi
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