Author: John Merlino
Date: 12:22:42 10/24/03
Go up one level in this thread
On October 24, 2003 at 13:40:57, Cliff Sears wrote: >[d] 3k3r/2pqnBp1/pr1b3p/1p3p2/5N2/1Q6/PP3PPP/3RR1K1 w - - > >This is found on page seven in Chess Life. > >I found that SOS for Arena finds Nf4e6 while YACE finds the move recommended by >the author. The author explains "Black resigned after 1. Qc3 because of 2. >Qxg7, trapping the rook (or 1...Rh7 2. Ne6+ Kc8 3. Nf8)" > >What do your engines come up with? Chessmaster 9000 (default personality on a P4-2.4) says Qc3 is the clear winner: Time Depth Score Positions Moves 0:00 1/3 1.71 2175 1.Qc3 Rh7 2.Ne6+ Kc8 3.Nxg7 0:00 1/4 1.45 5564 1.Qc3 Rh7 2.Ne6+ Kc8 3.Nxg7 Nc6 0:00 1/4 1.67 6925 1.Ne6+ Kc8 2.Nc5 Bxc5 3.Rxd7 Kxd7 0:00 1/4 2.30 12219 1.Rxe7 Qxe7 2.Ng6 Qe2 3.Nxh8 0:00 1/5 2.21 13500 1.Rxe7 Qxe7 2.Ng6 Qe2 3.Nxh8 Rc6 0:00 1/5 2.66 20971 1.Ne6+ Kc8 2.Nxg7 Qc6 3.Be6+ Kb8 4.Nxf5 Nxf5 5.Bxf5 0:00 1/5 3.23 26848 1.Qc3 Rh7 2.Ne6+ Kc8 3.Nf8 Bxh2+ 4.Kxh2 0:00 1/6 3.39 37884 1.Qc3 Rh7 2.Ne6+ Kc8 3.Nf8 Rc6 4.Rxe7 Bxe7 5.Nxd7 Rxc3 6.bxc3 0:00 1/7 3.39 79016 1.Qc3 Rh7 2.Ne6+ Kc8 3.Nf8 Rc6 4.Rxe7 Bxe7 5.Nxd7 Rxc3 6.bxc3 0:01 1/8 4.51 309316 1.Qc3 Rg8 2.Ne6+ Kc8 3.Nc5 Qd8 4.Be6+ Kb8 5.Nd7+ Kb7 6.Nxb6 Kxb6 7.Bxg8 Qxg8 0:02 1/9 4.67 675477 1.Qc3 Rg8 2.Ne6+ Kc8 3.Nc5 Qc6 4.Be6+ Kb8 5.Nd7+ Kb7 6.Nxb6 Qxc3 7.bxc3 Kxb6 8.Bxg8 Nxg8 0:05 1/10 4.97 1579039 1.Qc3 Rg8 2.Bxg8 Nxg8 3.Qf3 Rb8 4.Ne6+ Kc8 5.Nc5 Bxc5 6.Rxd7 Kxd7 7.Qxf5+ Kc6 8.Qg6+ Nf6 9.Qxg7 0:12 2/11 5.04 4234436 1.Qc3 Rg8 2.Bxg8 Nxg8 3.Qf3 Rb8 4.Ne6+ Kc8 5.Nc5 Bxc5 6.Rxd7 Kxd7 7.Qxf5+ Kc6 8.Qe4+ Kb6 9.Qg6+ Nf6 10.Qxg7 1:21 3/12 5.70 32357626 1.Qc3 Rg8 2.Qf3 Qc6 3.Nd5 Rf8 4.Rxe7 Rb7 5.Qxf5 b4 6.Qg4 Rb5 7.Nxc7 Kxe7 8.Qe6+ Kd8 9.Nxb5 After forcing 1.Ne6+ Kc8, it says: Time Depth Score Positions Moves 0:00 1/3 1.45 2080 2.Qc3 Rh7 3.Nxg7 Nc6 0:00 1/3 1.67 2525 2.Nc5 Bxc5 3.Rxd7 Kxd7 0:00 1/4 1.48 4009 2.Nc5 Bxc5 3.Rxd7 Kxd7 4.Qc3 0:00 1/4 1.94 6392 2.Qc3 Kb8 3.Qxg7 Qc8 4.Qc3 0:00 1/4 2.66 9524 2.Nxg7 Kb8 3.Be6 Qc6 4.Nxf5 Nxf5 5.Bxf5 0:00 1/5 2.38 16790 2.Nxg7 Qd8 3.Be6+ Kb8 4.Nxf5 Nxf5 5.Bxf5 Qh4 6.g3 0:00 1/6 2.25 50434 2.Nxg7 Kb8 3.Be6 Qd8 4.Qf3 f4 5.Qc3 0:00 1/6 2.46 68782 2.Nc5 Bxc5 3.Rxd7 Kxd7 4.Be6+ Kd8 5.Qc3 Bd6 6.Qxg7 0:00 1/7 2.46 105109 2.Nc5 Bxc5 3.Rxd7 Kxd7 4.Be6+ Kd8 5.Qc3 Bd6 6.Qxg7 0:01 1/8 2.87 190621 2.Nc5 Bxc5 3.Rxd7 Kxd7 4.Be6+ Kd8 5.Qc3 Bd6 6.Qxg7 Re8 7.Qxh6 0:01 1/9 2.61 400375 2.Nc5 Bxc5 3.Rxd7 Kxd7 4.Be6+ Kd8 5.Qc3 Rc6 6.Qxg7 Re8 7.Qxh6 Bd4 0:04 1/10 3.64 1400885 2.Nc5 Qc6 3.Qe6+ Kb8 4.Nd7+ Ka8 5.Nxb6+ Qxb6 6.Rxd6 cxd6 7.Qxe7 Qd4 8.Qe3 0:09 2/11 3.66 3153075 2.Nc5 Qc6 3.Qe6+ Kb8 4.Nd7+ Ka7 5.Nxb6 Kxb6 6.Rxd6 cxd6 7.Qe3+ Qc5 8.Qxc5+ Kxc5 9.Rxe7 d5 0:54 3/12 3.54 19054769 2.Nc5 Qd8 3.Qe6+ Kb8 4.Nd7+ Kb7 5.Nxb6 Kxb6 6.Rxd6+ Qxd6 7.Qxd6+ cxd6 8.Rxe7 Rc8 9.g3 Rc2 10.Bb3 Rxb2 11.Rxg7 jm
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