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   Author  Topic: Move 33  (Read 7952 times)
Soter
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Move 33
« on: Jun 4th, 2008, 1:30am »
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Whoa, Jean responds after eight hours!
 
33w Ed4w rd3n Rf2w Hf3s
 
What do we do now? I spent only 5 - 10 seconds looking at it, but it looks kinda tricky. Do we have any appropriate lines?
« Last Edit: Jun 4th, 2008, 1:30am by Soter » IP Logged
arimaa_master
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Re: Move 33
« Reply #1 on: Jun 4th, 2008, 4:51am »
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First move saving dog (at least temporarily) what came to my mind is:
 
33b ec2e ed2n dd7s dd6s
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warren
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Re: Move 33
« Reply #2 on: Jun 4th, 2008, 4:52am »
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Getting out of an apparent bind like this is probably something a bot would be good for. Does someone have one handy?
 
Update: the best free bot I'm aware of is an old version of Fairy (see arimaa downloads page), but I'd have to recompile it to run on this old machine with less than the hardcoded 512MB of RAM, which would in turn require me to get around to getting a compiler on this machine.
« Last Edit: Jun 4th, 2008, 8:51am by warren » IP Logged
warren
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Re: Move 33rd4
« Reply #3 on: Jun 4th, 2008, 4:55am »
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Moving our horse east twice and then putting his e3 dog on the trap would lose us the rabbit but not our dog or horse.
 
Update: Never mind, a good counter to the above is
34w rd4n Ec4e Ed4s Df3n
 
« Last Edit: Jun 4th, 2008, 8:44am by warren » IP Logged
UruramTururam
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Re: Move 33
« Reply #4 on: Jun 4th, 2008, 8:51am »
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33b hb3e hc3e De3n hd3n - saves all our pieces for 1 turn (even the horse as E cannot enter the trap). But the resulting position looks like walking on the razor edge for me.
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Soter
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Re: Move 33
« Reply #5 on: Jun 4th, 2008, 2:59pm »
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Quote:
33b hb3e hc3e De3n hd3n - saves all our pieces for 1 turn (even the horse as E cannot enter the trap). But the resulting position looks like walking on the razor edge for me.

 
If you mean hd3e as you fourth step, then a possible 34w Da3e Ec4s Ec3e xxxx worries me  Undecided
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mistre
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Re: Move 33
« Reply #6 on: Jun 4th, 2008, 5:25pm »
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on Jun 4th, 2008, 4:51am, arimaa_master wrote:
First move saving dog (at least temporarily) what came to my mind is:
 
33b ec2e ed2n dd7s dd6s

 
This move is the ONLY decent move I can find.  It accomplishes three things - threatens a goal, gets our E back central, and gets our Dog into the attack.  Unfortunately, looking ahead I don't see many great options for us.  The best I can do, without losing the dog outright, is to give up a double hostage H-D and E-H, but be able to block captures with our E, D, and R.  But if that can hold up long enough to get other pieces forward is the big question mark.
 
Also, once again Chessandgo surprises us with an even stronger move than we think.  I won't ever call any of his moves a possible blunder again.
 
 
 
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The_Jeh
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Re: Move 33
« Reply #7 on: Jun 4th, 2008, 10:39pm »
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That move is the best I can do, too. It appears that we can hold on to our material. Here's the best line I could find so far:
 
33b ec2e ed2n dd7s dd6s
34w Ec4w Rb2e hb3s Eb4s
34b De3e ed3e ee3w rb7s
35w Df3n Rc1e Da3n Da4e
35b ed3e rd4s dd5w dc5s
 
The position at the end of this line is double-edged. Chessandgo has a horse and dog held hostage, as well as two free-ranging dogs. We are up a cat and rabbit in material, and have a somewhat dangerous advanced rabbit.
 
I think we should use as much of our seven days as possible to give as many people as possible time to weigh in, with Fritzlein being the name highest in my mind.
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99of9
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Re: Move 33a
« Reply #8 on: Jun 4th, 2008, 11:29pm »
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Another option to analyze:
33b Da3n hb3w dd7s dd6s
 
That is my bot's favourite at 12 ply (but it's still a pretty hopeless bot, so beware!)
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arimaa_master
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Re: Move 33a
« Reply #9 on: Jun 5th, 2008, 12:23am »
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on Jun 4th, 2008, 11:29pm, 99of9 wrote:
Another option to analyze:
33b Da3n hb3w dd7s dd6s
 
That is my bot's favourite at 12 ply (but it's still a pretty hopeless bot, so beware!)

 
Interesting move but I think we are losing after simple:
 
34w Ec4w Eb4s Re2w Rg1w
 
(coz I don´t see how to hold all our pieces after this move - what does your bot think?).
 
 
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99of9
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Re: Move 33a
« Reply #10 on: Jun 5th, 2008, 3:46am »
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on Jun 5th, 2008, 12:23am, arimaa_master wrote:
Interesting move but I think we are losing after simple:
34w Ec4w Eb4s Re2w Rg1w

Play continues after another threat:
34b Rd2e ec2e Re2s ed2e
 
But you might be right, our threats may peter out rapidly...  How would you continue for gold?
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99of9
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Re: Move 33
« Reply #11 on: Jun 5th, 2008, 3:57am »
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Gnobby is still running and has changed it's mind:
(at 15 ply)
[d7-d6 b3-c3 g6-g5 g5-f5] [f2-f1 g2-f2 e3-d3 b2-b3] [b3-b4 c3-b3 b3-b2 f5-f4] [f2-f3 f1-f2 c4-c3 ....]
 
That is:
33b dd7s hb3e rg6s rg5w
 
Again, it looks risky, but plausible, and should be considered.  The continuation is a bit odd, so I'd suggest coming up with your own replies for gold.
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Soter
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Re: Move 33
« Reply #12 on: Jun 5th, 2008, 4:08am »
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Quote:
33b dd7s hb3e rg6s rg5w

 
At first glance, I don't like gold's 34w rd4e Ec4e Ed4s Rg1w. For the time being I support arimaamaster's move
 
It's great to see Gnobby help us, though Smiley
« Last Edit: Jun 5th, 2008, 4:09am by Soter » IP Logged
arimaa_master
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Re: Move 33a
« Reply #13 on: Jun 5th, 2008, 4:09am »
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on Jun 5th, 2008, 3:46am, 99of9 wrote:

Play continues after another threat:
34b Rd2e ec2e Re2s ed2e
 
But you might be right, our threats may peter out rapidly...  How would you continue for gold?

 
33b Da3n hb3w dd7s dd6s
34w Ec4w Eb4s Re2w Rg1w
34b Rd2e ec2e Re2s ed2e
 
35w Rc1e Rb1e Rb2e Rc2e
 
And now I hope we must win some pieces, don´t we?
 
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arimaa_master
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Re: Move 33
« Reply #14 on: Jun 5th, 2008, 4:16am »
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on Jun 5th, 2008, 4:08am, Soter wrote:

 
At first glance, I don't like gold's 34w rd4e Ec4e Ed4s Rg1w. For the time being I support arimaamaster's move
 
It's great to see Gnobby help us, though Smiley

 
Yeah, I looked at the position (before see yours move) and found at first glance exactly the same move (34w rd4e Ec4e Ed4s Rg1w).
 
I think that after that we are clearly winning (but I might be wrong).
 
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