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Subject: Re: Marshall Attack - test

Author: Anthony Cozzie

Date: 08:58:52 09/17/03

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On September 17, 2003 at 10:50:59, Anthony Cozzie wrote:

>On September 17, 2003 at 10:11:12, Mihaly Szalai wrote:
>
>>1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3
>>d5 9. exd5 e4 10. Ng5 Bg4 11. Qc2 Ne5 12. Nxe4 Nxe4 13. Qxe4 Bd6 14. d4 f5 15.
>>Qc2
>>
>>[D]r2q1rk1/2p3pp/p2b4/1p1Pnp2/3P2b1/1BP5/PPQ2PPP/RNB1R1K1 b - - 0 15
>>
>>Chessprograms are strong in tactics (so they say...)
>>How fast is your engine finding 15...Nf3+?
>>
>>Mihaly
>
>I should have known you wouldn't post an easy one ;) Zappa gets owned:
>1... Ne5-g6 2. h2-h3 Bg4-h5 3. a2-a4 Ra8-b8 4. a4xb5 a6xb5 5. Ra1-a7 Rb8-b6 6.
>Nb1-d2 Qd8-b8 7. Ra7-a1 Ng6-f4 8. Kg1xh2
> = (-1.47)	Depth: 13/33	00:05:44.89	201714kN
>
>After forcing Nf3+ gxf3 Bxf3 Re5:
>1... Bd6xe5 2. d4xe5 f5-f4 3. Qc2-d3 Qd8-g5 4. Kg1-f1 Bf3-g2 5. Kf1-e1 Qg5xe5 6.
>Qd3-e2 Ra8-e8 7. d5-d6 Kg8-h8 8. Qe2xe5 Re8xe5 9. Ke1-d1 c7xd6
> = (-0.79)	Depth: 12/26	00:00:51.70	30335kN
>
>So Zappa would probably play it at 14 ply, but with a very unconvincing score.
>I'll restart the search and see if it can come up with something more promising
>(its good to have two computers at work ;)
>
>anthony

OK, having run over CM9000s line, I definitely have bugs. Sigh.

anthony



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