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Subject: Re: Behind Deep Blue: 3rd print with new Hsu afterword

Author: Dave Gomboc

Date: 12:11:53 05/08/04

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On May 08, 2004 at 12:39:03, Anthony Cozzie wrote:

>
>As I said before, the first two moves are "pass" moves.  I don't think they are
>actively bad, they just do nothing.  GMs do not play pass moves.  Current top
>programs rarely play them.  Deep Blue played 3 or 4 in a row ;)
>
>>Ruffian 1.0.5  UCI1 15 MB:
>> 6   00:00 -0,01   Qa5c5 Ra1c1 Bc7d6 b3b4 Qc5b5 Nh4f3
>> 7   00:00 -0,05   Qa5c5 Ra1c1 e6e5 g3g4 Bh5g6 Nh4xg6 f7xg6 Kg1h1
>> 8   00:01  0,00   Qa5c5 Ra1c1 Qc5e7 Rc1a1 Qe7d6 Nh4f3 Qd6c5 Ra1c1 e6e5
>> 8   00:02  0,03   g7g5 Nh4f3 g5g4 b3b4 Qa5a4 Nf3d4 g4xh3 Bg2xh3 Nf6g4
>> 9   00:02  0,04   g7g5 Nh4f3 g5g4 h3xg4 Nf6xg4 b3b4 Qa5a4 Nd2b3 Nd7e5 Nf3xe5
>>10   00:04  0,05   g7g5 Nh4f3 g5g4 h3xg4 Nf6xg4 Nf3d4 c6c5 Nd4e2 Bc7e5 Bb2xe5
>>Nd7xe5 Ne2f4
>>11   00:08 -0,04   g7g5 Nh4f3 g5g4 h3xg4 Nf6xg4 c2c4 d5xc4 Nd2xc4 Qa5f5 e3e4
>>Qf5c5 Kg1h1
>>11   00:16 -0,02   Qa5c5 Ra1c1 g7g5 Nh4f3 g5g4 d3d4 Qc5b5 c2c4 d5xc4 h3xg4
>>Nf6xg4 Rc1xc4
>>
>>How deep is the fail-low for Zappa on g5?
>>A "blunder" should be >1 pawn, IMO.
>
>Ruffian plays g5 for all of 8 seconds :)  Deep Blue had 3 minutes to think.
>
>Zappa's difference is almost 1/2 pawn.
>
>anthony

That's probably due to perceived king exposure.  Does Zappa competently evaluate
positions where one pushes the pawns in front of one's own king?

Dave



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