Author: Vincent Lejeune
Date: 13:28:06 04/24/05
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On April 24, 2005 at 15:05:41, John Merlino wrote: >On April 24, 2005 at 14:31:52, Jack Lad wrote: > >>[d] 6nr/p2rkp1n/1pQRq1pp/1N2P3/8/4BN1P/PPP2PP1/2K4R w >> >>1.Nc7 or Nfd4? >> >>Or can they both mate in the same number of moves? > >Playing through the lines, it appears that: > >1.Nc7 is a Mate in 9. > >1.Nfd4 is a Mate in 11. > >jm 3 best moves from ChessMaster 10 (AMD@3000+) Time Depth Score Positions Moves 9:38 1/13 Mate09 233251425 1.Nc7 Rxc7 2.Qxc7+ Kf8 3.Rxe6 Kg7 4.Nh4 Ng5 5.Bxg5 Ne7 6.Bf6+ Kh7 7.Qxe7 Rf8 8.Qxf8 fxe6 9.Qg7# 10:36 1/13 Mate11 259792029 1.Rxe6+ fxe6 2.Rd1 Ngf6 3.Rxd7+ Nxd7 4.Qd6+ Ke8 5.Nc7+ Kd8 6.Nxe6+ Ke8 7.Ng7+ Kd8 8.e6 Nf6 9.Bf4 Rg8 10.Qc7+ Ke7 11.Bd6# 15:29 1/13 Mate11 377499702 1.Nfd4 Qxe5 2.Rxd7+ Kf8 3.Nd6 Ng5 4.Bxg5 Ne7 5.Qf3 Qxg5+ 6.Kb1 Qd5 7.Qxd5 Nxd5 8.Rxf7+ Kg8 9.Ne6 Nc3+ 10.bxc3 Rh7 11.Rf8#
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