Author: Robert Sherman
Date: 18:40:17 11/10/97
Go up one level in this thread
On November 10, 1997 at 08:25:00, Robert Hyatt wrote:
>On November 09, 1997 at 23:26:57, Robert Sherman wrote:
>
>>Bob,
>>
>>Could you show the line where black is busted after o-o? Almost every
>>program I have tested always plays o-o. Genius, which is the quickest
>>at rejecting Qxc7, plays o-o and then d5 in response to the sac. I
>>haven't seen nor has any computer shown any refutation to d5. Genius
>>suggests as white Nxc7, while other computers suggest Qe4 with black
>>having the game in hand.
>>
>>Robert Sherman
>
>It was in the annotated game... here it is again:
>
>here are the two pvs, for O-O (which crafty hated) and
>for f5, which is what it would have played:
> 8. Ng5 O-O
> {8:-2.14 O-O Qe4 Bf2+ Kd1 Qxg5 Bxg5 b5 Nf6+ gxf6 Bxf7+
>Rxf7}
> {8:+5.74 f5 Nf7 Kxf7 Nxc7+ d5 Bxd5+ Kg6 Nxa8 Bf2+ Kd1
>Qxd5}
Bob,
Could you show Crafty plan against ...g6 instead of Bf2+. I don't
see any tactical justification for Crafty to sac his queen for the
knight on g5, nor does any other program I have tried it on. I fully
applaud Crafty's human-like decision not to castle into an attack. I
thought Crafty wasn't too knowledge based, I guess 1000's of games vs
GM's and IM's on ICC and FICS has let you tune crafty to sense an attack
on his king :-) Please, continue your analysis on o-o Qe4 line.
Thanks.
Robert Sherman
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