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Subject: Re: Nice sacrifice by Shredder 9!

Author: Bahram Namjou

Date: 16:35:26 03/25/05

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I don't know your PC speed, but Hiarcs9 also plays NF5 in 20 seconds (p4, 2.6)
and in the second part in case of Qxc4, also moves Rg7 in 50 seconds.  thanks...






On March 25, 2005 at 06:55:09, Martin Baumung wrote:

>Hi,
>
>in another game between Shredder 9 and Gandalf 6.01 the following position came
>up:
>
>[D]r1b1r1k1/1pn1qnbp/3p1pp1/pPp5/2PNPPP1/P1N1B1R1/3QB2P/3R3K w - - 0 21
>
>Shredder played 21.Nf5! here with a rather convincing score of +2.47. Finding
>the move after just 2 seconds (!).
>
>Any other engine going for this sacrifice?
>
>Another very nice position comes up a few moves later...
>
>[D]r1b1r2k/1p3nbp/nP1p1p2/p1pN1P2/2P1qP2/P3BBR1/3Q3P/3R3K b - - 1 25
>
>A lot of engines like 25...Qxc4 (Gandalf played 25...Bxf5) here with a rather
>neutral score. But white's continuation after Qxc4 is just worth seeing.
>
>After 26.Rxg7! black is completely lost. 26...Kxg7 27.Rg1+ Ng5 28.Qb2 Rf8
>29.Rxg5 to just give one example.
>
>Here's the original game:
>
>[Event "90 Minuten/Partie + 30 Sekunden/Zug"]
>[Site "Engine Match"]
>[Date "2005.03.19"]
>[Round "24"]
>[White "Shredder 9 UCI"]
>[Black "Gandalf 6.01"]
>[Result "1-0"]
>[ECO "E94"]
>[Opening "Königsindisch"]
>[Variation "Orthodoxe (7...exd4)"]
>[TimeControl "120+12"]
>[Termination "normal"]
>[PlyCount "89"]
>[WhiteType "program"]
>[BlackType "program"]
>
>1.d4 {Buch 0s} 1...Nf6 {Buch 0s} 2.c4 {Buch 0s} 2...g6 {Buch 0s} 3.Nc3 {
>Buch 0s} 3...Bg7 {Buch 0s} 4.e4 {Buch 0s} 4...d6 {Buch 0s} 5.Nf3 {Buch 0s}
>5...O-O {Buch 0s} 6.Be2 {Buch 0s} 6...e5 {Buch 0s} 7.O-O {Buch 0s} 7...
>exd4 {Buch 0s} 8.Nxd4 {Buch 0s} 8...Re8 {Buch 0s} 9.f3 {Buch 0s} 9...c6 {
>Buch 0s} 10.Kh1 {Buch 0s} 10...Nh5 {Buch 0s} 11.g4 {Buch 0s} 11...Nf6 {
>Buch 0s} 12.Be3 {Buch 0s} 12...Na6 {-0.57/14} 13.Qd2 {+0.48/17} 13...Nd7 {
>-0.64/15} 14.Rad1 {+0.62/15} 14...Ne5 {-0.73/13} 15.Rg1 {+0.77/16} 15...f6
>{-0.64/14} 16.a3 {+0.78/18} 16...Qe7 {-0.48/13} 17.f4 {+0.83/18} 17...Nf7
>{-0.35/14} 18.b4 {+0.89/18} 18...Nc7 {-0.32/14} 19.Rg3 {+0.90/17} 19...a5
>{-0.22/13} 20.b5 {+1.00/17} 20...c5 {-0.51/16} 21.Nf5 {+2.47/18} 21...gxf5
>{-0.92/17} 22.gxf5 {+2.77/18} 22...Kh8 {-0.92/16} 23.b6 {+3.02/19} 23...
>Na6 {-0.70/16} 24.Nd5 {+3.20/18} 24...Qxe4+ {-2.65/16} 25.Bf3 {+3.20/19}
>25...Bxf5 {-2.62/14} 26.Bxe4 {+3.20/18} 26...Bxe4+ {-3.04/18} 27.Kg1 {
>+3.20/20} 27...Nh6 {-3.20/17} 28.Nc3 {+3.44/18} 28...Nf5 {-3.42/15} 29.Rh3
>{+3.96/15} 29...Bc6 {-4.12/15} 30.Qd3 {+4.19/16} 30...Nh6 {-3.84/15} 31.
>Nd5 {+4.16/17} 31...f5 {-3.93/14} 32.Bd2 {+4.39/17} 32...Nb4 {-3.55/12}
>33.axb4 {+4.57/18} 33...axb4 {-3.29/13} 34.Nc7 {+4.59/18} 34...Bd4+ {
>-3.42/14} 35.Kf1 {+5.07/18} 35...Ra3 {-3.55/14} 36.Qxa3 {+5.81/18} 36...
>bxa3 {-3.90/15} 37.Nxe8 {+6.12/22} 37...Bxe8 {-4.12/17} 38.Rxa3 {+6.12/21}
>38...Kg7 {-4.92/18} 39.Be3 {+6.37/20} 39...Bc6 {-4.96/17} 40.Bxd4+ {
>+6.93/20} 40...cxd4 {-5.15/18} 41.Ke2 {+6.93/21} 41...Nf7 {-4.73/18} 42.
>Rg1+ {+7.63/21} 42...Kf6 {-4.92/18} 43.Rh3 {+7.79/21} 43...h6 {-5.60/18}
>44.Kd3 {+7.98/21} 44...d5 {-5.63/17} 45.c5 {} 1-0
>
>Cheers,
>
>Martin



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