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Subject: Re: Ruffian 2.0.0 sacrifices

Author: Kurt Utzinger

Date: 04:46:09 01/11/04

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On January 11, 2004 at 05:43:04, Jouni Uski wrote:

>[D]r1r3k1/4bp1p/1qp1b1p1/1p1n4/3PB3/P5N1/1BQ2PPP/R3R1K1 w - - 0 21
>
>In this position Ruffian plays almost instantly Bxg6. Is this real sacrifice?
>Is it correct? Actually Ruffian lost this game against Fritz...
>
>Jouni
>
>PS: I hope, that next Ruffian update gives the missing 70 points from promised
>100 over 1.0.1 :-)


     Hi Jouni
     I think that Bxg6 is a most interesting sacrifice that
     should at least be good enough for a draw.
     Kurt


r1r3k1/4bp1p/1qp1b1p1/1p1n4/3PB3/P5N1/1BQ2PPP/R3R1K1 w - - 0 21
Ruffian 2.0.0  UCI: (P4 1.8/32 MB hash, Arena 1.02 GUI)
 1   00:00 -0.36   Bxd5 cxd5
 1   00:00  0.14   f3
 1   00:00  0.16   Ne2
 1   00:00  0.18   Bd3
 1   00:00  0.20   Qd2
 2   00:00 -0.17   Qd2 Re8
 3   00:00  0.02   Qd2 Re8 Qh6
 4   00:00 -0.11   Qd2 b4 a4 Re8
 5   00:00 -0.05   Qd2 Re8 Qh6 Bd6 Kh1
 5   00:00  0.00   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kh8 Qh6+ Kg8 Qg6+
 6   00:00 -0.21   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Qxe6 Ke8
 6   00:00 -0.10   Qd2 b4 a4 Re8 Qh6 Nc3
 7   00:00 -0.08   Qd2 b4 a4 Re8 Ne2 Qa5 Qh6
 7   00:00  0.09   Bxg6 hxg6 Rxe6 b4 Rxg6+ fxg6 Qxg6+ Kf8 axb4 Rxa1+ Bxa1 Bxb4
 8   00:00  0.19   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Qxe6 Rd8 Qf5+ Kg8 Qg6+ Kf8
 9   00:01  0.11   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Qxe6 Rd8 Ne4 c5 Qxb6 Nxb6 Nxc5
10   00:01  0.01   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Qxe6 b4 a4 Rd8 Qg6 Re8 Nf5
11   00:05  0.07   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Qxe6 b4 a4 Rd8 Qh6+ Ke8 Qg6+
Kd7 Qf7
12   00:13  0.21   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Re1 Qa5 Rxe6 Qa4 Rxc6 Rxc6 Qxc6
Rd8 Qh6+ Ke8
13   00:30  0.28   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Re1 Qa5 Rxe6 Qd2 Rxc6 Rxc6 Qxc6
Nb6 Qf3+ Kg8 Qg4+ Kf8
14   01:13  0.13   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Re1 Qc7 Qh6+ Ke8 Qxe6 Kd8 Qg8+
Kd7 Qg7 Re8 Qg4+ Kd8 Qe6
15   04:16  0.00   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Re1 Qc7 Qh6+ Ke8 Qxe6 Kd8 Qg8+
Kd7 Qe6+ Kd8
16+  12:24  0.35   Bxg6
16   18:35  0.54   Bxg6 hxg6 Rxe6 fxe6 Qxg6+ Kf8 Re1 Qa5 Re5 Qd2 Rh5 Bf6 Rh7 Rc7
Rxc7 Nxc7 Qxf6+ Ke8 d5 Qd1+ Nf1 cxd5 Be5






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