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Subject: Hiarcs "Faulty Book Line" in Two Knights Defense,Loses terribly!!! pgn

Author: Terry Ripple

Date: 14:48:32 08/18/99


 This is one "Huge" Opening mistake and i here that there are more in Hiarcs7.32
opening book! So what does one do? Maybe the Power Books 99 is a solution but it
states that it will weaken your program somewhat over the long run because
it will have many opening lines not suited for chess programs because of lines
that lead to closed positions that need long term planning that programs
aren't good at doing, but it got to be better than losing lines already in the
book of Hiarcs, don't you think? If we only knew how many lines in Hiarcs book
were at fault because it might not matter if only a few were bad and we were
told which ones to deleat out.
 Any other opening books that would be worth a try?

Thankyou for any information,
Terry

PS. Here is the game, the first move out of book at move #21. Nb6+ (-5.81/14)

Event "60'/30+0'/0+30'/Game"]
[Site "?"]
[Date "1999.07.21"]
[Round "7"]
[White "Hiarcs 7.32"]
[Black "Comet B02"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "50"]

{W=13.8 ply, B=10.8ply} 1. e4 {0} 1... e5 {0} 2. Nf3 {0} 2... Nc6 {0} 3. d4 {0}
3... exd4 {0} 4. Bc4 {0} 4... Nf6 {0} 5. O-O {0} 5... Nxe4 {0} 6. Re1 {0} 6...
d5 {0} 7. Bxd5 {0} 7... Qxd5 {0} 8. Nc3 {0} 8... Qa5 {0} 9. Nxe4 {0} 9... Be6 {
0} 10. Bd2 {0} 10... Bb4 {0} 11. Bxb4 {0} 11... Qxb4 {0} 12. Neg5 {0} 12...
O-O-O {0} 13. Nxe6 {0} 13... fxe6 {0} 14. Ng5 {0} 14... Rd7 {0} 15. Nxe6 {0}
15... Re8 {0} 16. Qg4 {0} 16... d3 {0} 17. Qxb4 {0} 17... Nxb4 {0} 18. Nc5 {0}
18... Rxe1+ {0} 19. Rxe1 {0} 19... dxc2 {0} 20. Nxd7 {0} 20... Nd3 {
Both last book move 0} 21. Nb6+ {-5.81/14 418} 21... axb6 {-5.14/14 470} 22.
Rf1 {(Ra1) -5.81/14 219} 22... c5 {(c1Q) -5.22/13 296} 23. a4 {
(f3) -6.26/14 586} 23... c1=R {(c1Q) -5.39/11 27} 24. Rxc1 {-6.51/14 1358}
24... Nxc1 {-5.39/9 1} 25. Kf1 {-6.51/13 209} 25... Kd7 {-5.57/10 34} 0-1



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