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Subject: Re: Nice tactical sacrifice plus king safety tuning.

Author: Ernst Walet

Date: 09:06:37 12/09/02

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On December 08, 2002 at 18:08:41, Colin Frayn wrote:

>[D]r1b3k1/2pnn1bp/pp1p3r/2PPp1pq/1P2Pp2/Q1NN1P1P/P3BBP1/2R2RK1 b - -
>
>This just came up in an ICC game between Beowulf and Fritz 8.  Fritz (black)
>played Nxc5! here.  It's fairly tricky to spot - might require some searching.
>Beowulf had missed this rather nice tactical shot, which of course gives a
>devastating attack on white's king.
>
>Pity ... I was winning up to that point :(
>
>Cheers,
>Col


7 ply and 7 seconds for CM9K, Athlon XP1500+

Ernst.

Time	Depth	Score	Positions	Moves
0:00	1/3	1.77	1526		1...Bb7 2.c6 Nxc6 3.dxc6 Bxc6
0:00	1/3	0.68	1958		1...Qf7 2.cxd6 cxd6 3.Qb3
0:00	1/4	0.71	4025		1...Qf7 2.Nb5 dxc5 3.bxc5 bxc5
					4.Nxc7
0:00	1/5	0.88	13757		1...Qf7 2.Nb5 dxc5 3.bxc5 bxc5
					4.Nxc5 Nxc5 5.Bxc5 Nxd5 6.exd5
					axb5 7.Bxb5
0:00	1/6	0.99	46366		1...Qf7 2.Nb5 dxc5 3.bxc5 c6 4.Nd6
0:00	1/6	0.96	54611		1...Qe8 2.Nb5 Qd8 3.cxd6 cxd6 4.Rfd1
					Bb7
0:00	1/6	0.79	97776		1...Rb8 2.cxd6 cxd6 3.b5 a5 4.Qb3
					Rb7
0:01	1/6	0.70	192051		1...Nf6 2.h4 Bb7 3.c6 Bc8 4.Qb3
					gxh4
0:05	1/7	0.45	613271		1...Nf6 2.h4 Ng6 3.cxb6 cxb6 4.Rfd1
					Nxh4 5.Bxb6 Ng6
0:07	1/7	-0.04	825607		1...Nxc5 2.Nxc5 dxc5 3.Bc4 cxb4
					4.Qxb4 Qf7 5.d6
0:17	1/8	-0.48	2360620		1...Nxc5 2.h4 Nxd3 3.Bxd3 gxh4
					4.Qb3 Bd7 5.b5 axb5 6.Bxb5
0:24	1/9	-0.99	3502206		1...Nxc5 2.h4 Nxd3 3.Bxd3 gxh4
					4.Be2 h3 5.g4 fxg3ep 6.Bxg3 Qg5
0:35	1/10	-1.03	5013747		1...Nxc5 2.h4 Nxd3 3.Bxd3 gxh4
					4.Be2 h3 5.g4 fxg3ep 6.Bxg3 h2+
					7.Kh1 Bb7
1:12	1/11	-1.13	10554453	1...Nxc5 2.h4 Nxd3 3.Bxd3 gxh4
					4.Kh2 Rg6 5.Nd1 h3 6.g4 fxg3ep+
					7.Bxg3 Rxg3 8.Kxg3 Qg5+ 9.Kf2
3:33	1/12	-1.42	33089573	1...Nxc5 2.h4 Nxd3 3.Bxd3 gxh4
					4.Kh2 Rg6 5.Nd1 h3 6.g4 fxg3ep+
					7.Bxg3 Rxg3 8.Kxg3 h2 9.Nf2



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