Author: Heiner Marxen
Date: 10:50:52 08/20/00
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On August 19, 2000 at 22:57:27, Larry Griffiths wrote:
>[D]3R1B1K/5p2/2p2p2/b1rPNP1n/q1rkNP2/1Pp2Q2/1n6/5B2 W - -
>
>I finally got a principle continuation working. My program is not getting the
>same checkmate that other programs are getting. Can someone verify that my
>moves are indeed checkmate?
>This is my result...
>
>e4-c5 c4-c5 e5-g4 a5-d8 f1-g2 c6-d5 f3-e3
According to Chest you are right. There are 3 key moves: Ng4, Nxc5 and Re8.
The complete solution tree for your move is:
Nxc5 Rxc5 Ng4 Bxd8 Bg2 Nc4 Qe4#
Nd1 Qe4#
Qxd1#
Ng3 Qe3#
Qxb3 Qe4#
c2 Qe3#
cxd5 Qe3# <-- your line
-*- Qe3#
Qe4#
Nc4 Qd3#
Nd1 Qd3#
Nd3 Qe3#
Qxd3#
Nxf4 Qe3#
Qxf4#
-*- Qe3#
c2 Qe4+ Kc3 Qe1+ Kd4 Nf3#
Qf2+ Kc3 Qe1+ Kd4 Nf3#
Bb4 Qe4#
Qf2#
dxc6#
Bxd8 Qe4#
Nd1 Qd3#
Qe4#
Nd3 Qe4#
Qxd3#
Ng3 Qf2#
Nxf4 Qe4#
Qxf4#
Qa1 Nxc6#
Qe4#
Qf2#
Qa2 Nxc6#
Qe4#
Qf2#
Qa3 Nxc6#
Qe4#
Qf2#
Qb4 Nxc6#
Qe4#
Qf2#
Qxb3 Nxb3#
Nxc6#
Qe4#
Qf2#
cxd5 Qe4#
Qf2#
Rxd5#
-*- Qe4#
Qf2#
(K6-3 400, 4.3 seconds)
Heiner
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