Author: John Merlino
Date: 11:48:55 03/20/04
Go up one level in this thread
On March 20, 2004 at 07:07:01, Dan Andersson wrote: > Here is one line that comes from my organic computer. It questions the relative >values of the moves 1. Nxh7 and 1. Nh5+. > 1. Nh5+ Kh8 2. Qh6 Rg8 3. Nf6 Rg7 4. Rf3 it carries enormous threats to the >black king. Is there a way to save the variation? > >MvH Dan Andersson This is the line that CM_SKR showed that gave the most convincing score of all posts in this thread (more than +3 for White). All of Black's moves are forced up to 4.Rf3. Here's the position after 4.Rf3: [D]3r3k/pb3prp/1pn2NpQ/2p1PP2/8/b2B1R2/qP4PP/3R3K b - - 0 4 Here's what CM_SKR on a P4-2.4 shows at this move -- a VERY convincing score! Time Depth Score Positions Moves 0:00 1/3 -5.67 3697 4...Qb3 5.Re1 Rxd3 6.Rxd3 Qxd3 7.bxa3 Qxf5 0:00 1/4 -6.11 16259 4...Qb3 5.Rd2 Nxe5 6.Rh3 0:02 1/5 -2.58 376477 4...Qb3 5.Rd2 Nxe5 6.Bf1 Rxd2 7.Rxb3 Bxg2+ 8.Bxg2 Rd1+ 9.Bf1 Rxf1+ 10.Kg2 0:02 1/6 0.00 464163 4...Qb3 5.Rd2 Qa2 6.Rd1 0:07 1/7 2.88 1201212 4...Qb3 5.Rdf1 Nxe5 6.Rh3 Bxg2+ 7.Kxg2 gxf5+ 8.Kh1 Qd5+ 9.Nxd5 Rxd5 10.Rg1 0:11 1/8 2.88 2010883 4...Qb3 5.Rdf1 Qxd3 6.Rxd3 Rxd3 7.Nxh7 Rh3 8.Qxh3 Rxh7 9.Qxa3 Nxe5 10.fxg6 fxg6 11.Qxa7 0:36 1/9 6.56 6749028 4...Qb3 5.Rd2 Nxe5 6.Rh3 Bxg2+ 7.Kxg2 Qd5+ 8.Nxd5 gxf5+ 9.Rg3 Ng4 10.Qc6 Rg6 11.Qc7 Rxd5 12.bxa3 1:22 1/10 7.07 14953398 4...Qb3 5.Rd2 Nxe5 6.Rh3 Bxg2+ 7.Kxg2 Qd5+ 8.Nxd5 Ng4 9.Qf4 Rxd5 10.fxg6 Ne5 11.bxa3 fxg6 12.Qf8+ Rg8 1:59 1/10 6.99 22409400 4...Nxe5 5.Rh3 Bxg2+ 6.Kxg2 Qd5+ 7.Nxd5 gxf5+ 8.Kf1 Rxd5 9.bxa3 c4 10.Be2 Rxd1+ 11.Bxd1 Nd3 12.Qf6 2:27 1/11 7.42 28786673 4...Nxe5 5.Rh3 Bxg2+ 6.Kxg2 Qd5+ 7.Nxd5 gxf5+ 8.Kf1 Rxd5 9.bxa3 Ng4 10.Qf4 Rg6 11.Be2 Rxd1+ 12.Bxd1 Kg8 13.Qxf5 So it is clear that Nh5+ wins for White. jm
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