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Subject: Re: Trojanercodes in Shredder (and Fritz) How it all began (german)

Author: Eduard Nemeth

Date: 01:27:36 03/14/03

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On March 13, 2003 at 19:05:00, Eduard Nemeth wrote:

>The technology with the disappearing of "good moves", in order to go around
>possible killers, is not only since the Fritz version 8,0019 there.  Them were
>and are implemented also in the current version 7.008 already long there!
>
>We look at ourselves the following diagram again:
>
>[D]r1b2rk1/pp2bpp1/1qn1pn1p/6B1/2PpP2P/3P2PN/P1P2PB1/1N1Q1K1R b - - 0 1
>
>Black can take, as described further above, the Trojaner here loosely, since
>after hxg5 black Knight can arrive after g4 without it be taken may.  On the
>field a1 the tower (I have that intentionally eliminated) is missing and thus
>threatens black with Dxb1+ to give, with clear advantage.  The Trojaner is thus
>only a mockup!  But which serves Fritz 7,008 in the multi-variant mode in
>addition?  I adjusted first the 15-Varianten mode, entered afterwards over
>position input this position and deleted afterwards those hashtables, 128 MB,
>cleanly:
>
>r1b2rk1/pp2bpp1/1qn1pn1p/6B1/2PpP2P/3P2PN/P1P2PB1/1N1Q1K1R b - - 0 1
>
>Analysis by Fritz 7.008:
>
>1. -+ (-5.88): 1...Db2 2.Lxf6 Lxf6 3.a3 Le7 4.Lf3 Lxa3 5.Sxa3 Dxa3 6.Kg2 e5
>7.Da1 Lxh3+
>2. -+ (-5.78): 1...e5 2.Lxf6 Lxf6 3.Dc1 Le7 4.Kg1 a6 5.Kh2 Da5 6.a3 b5 7.cxb5
>axb5
>3. -+ (-5.75): 1...Da5 2.Lxf6 Lxf6 3.a3 Tb8 4.Kg1 b5 5.cxb5 Txb5 6.f4 e5 7.h5
>Lxh3 8.Txh3 Tfb8
>4. -+ (-5.72): 1...Tb8 2.Ld2 e5 3.Lf3 Db2 4.Kg2 Dxa2 5.g4 Se8 6.g5 Kh7
>5. -+ (-5.66): 1...Da6 2.Lxf6 Lxf6 3.a3 e5 4.Lf3 Le7 5.Lg4 Lxa3 6.Lxc8 Tfxc8
>7.Kg2 Lb4 8.Dh5
>6. -+ (-5.66): 1...a6 2.Lxf6 Lxf6 3.Sf4 Le7 4.Kg1 Db2 5.a3 b5 6.e5 Lb7
>7. -+ (-5.59): 1...Ld7 2.Lxf6 Lxf6 3.Kg1 e5 4.Kh2 Da5 5.a3 Le7 6.Sg1 Lxa3
>8. -+ (-5.59): 1...Dc7 2.Lxf6 Lxf6 3.Kg1 e5 4.Lf3 Da5 5.a3 Le7 6.Kg2 Lxa3
>9. -+ (-5.56): 1...Td8 2.Lxf6 Lxf6 3.Kg1 e5 4.a3 Le7 5.Kh2 Da6 6.Dc1 Sb8 7.Dd1
>Dg6 8.h5 Df6
>10. -+ (-5.56): 1...Te8 2.Lxf6 Lxf6 3.a3 Le7 4.Kg1 e5 5.Kh2 Da5 6.Dc1 a6
>11. -+ (-5.56): 1...Ld8 2.Lxf6 Lxf6 3.Kg1 e5 4.a3 Le7 5.Kh2 Da6 6.f4 Lxa3
>12. -+ (-5.56): 1...Dc5 2.Lxf6 Lxf6 3.Kg1 Da5 4.a3 Le7 5.Sf4 Lxa3 6.Sxa3 Dxa3
>7.h5 a6
>13. -+ (-5.56): 1...Db4 2.Lxf6 Lxf6 3.Kg1 Da4 4.a3 Le7 5.Kh2 Lxa3 6.Sxa3 Dxa3
>7.f4 a5
>14. -+ (-5.53): 1...hxg5 2.hxg5 Se8 3.Sd2 Da5 4.Sf4 g6 5.Sf3 Lxg5 6.e5 Le7
>15. -+ (-5.50): 1...Dd8 2.Ld2 e5 3.Lf3 Db6 4.g4 Sxg4 5.c5 Lxc5 6.Lxg4
>
>The best analysis move hxg5 is after depth 14 in the last but one place!  Thus
>is the new/old technology, with which Fritz sometimes supplies the analyst with
>his analyses!
>
>Have fun!
>
>
>My full german text + Analyses (with Fritz 8.0023 too) read here:
>
>http://f50.parsimony.net/forum202029/messages/89.htm
>
>Eduard

That read here (german only):

http://f50.parsimony.net/forum202029/messages/93.htm

Eduard



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