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Subject: rybka prefers interesting queen sack against leningrad variation of nimz

Author: Joseph Ciarrochi

Date: 13:09:20 01/09/06


[Event "1'/50+1'/50+1'"]
[Site "?"]
[Date "????.??.??"]
[Round "?"]
[White "New game"]
[Black "Rybka 1.0 Beta 32-bit"]
[Result "*"]
[PlyCount "23"]
[TimeControl "50/60:50/60:60"]

{2MB, Joseph.ctg, 237LC1S-L} 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 h6 5. Bh4 c5
6. d5 Nxd5 7. Bxd8 Nxc3 8. Qb3 Ne4+ 9. Kd1 Nxf2+ 10. Kc1 Kxd8 11. Qf3 Nxh1 12.
Qxf7 *



Rybka "the aggressive" prefers nxd5 (sac the queen) = - .67 (depth 16) (yet
fritz book gives this move a ? and it looks to have been played only once before
in my million game database).

Fritz 9 "the assertive" prefers g5 at depth 15, and then settles on qa5 = .12.
 (both moves get a ? in fritz book, but look ok)

Fruit "the carefull" prefers d6 = -.25 (depth 16) (maybe with the excellent plan
of trading bishop for n, and playing e5, pawns lock up dark squares, light
squared bishop is strong).


The big three do not seem to want bxc3, although this is considered to be a good
move.  Perhaps the engines love the bishop pair too much?

Can anybody tell me what hiarcs 10 prefers?

Is rybka the most aggressive program around? Would any of you play nxd5 in a
tournement?

best
Joseph







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