Author: Heiner Marxen
Date: 11:10:33 04/03/02
Go up one level in this thread
On April 03, 2002 at 13:03:47, Terry McCracken wrote:
>Although, easy for computers today, it still has a charm unique in chess:o)
>
>It takes about 15 min. to solve on the old standalone, The Mach III Master by
>Fidelity Electronics. It is solved instantly on todays' hardware with top mate
>finding programmes like the Chessmaster series.
>
>
>I first came across this problem in 1981 in a newspaper. I still have the
>clipping, and like it so much photocopied it!:) It is yellow and brittle
>and I know it would fall apart eventually.
>
>More recently I viewed it again at Chessbase in their Puzzle Section, still
>I'll post it here in FEN and also give the Chessbase link.
>
>Sam Lloyd 1861; Composed in 1858.
>
>Excelsior
>
>[D]n1rb4/1p3p1p/1p6/1R5K/8/p3p1PN/1PP1R3/N6k w - -
>
>http://www.chessbase.com/puzzle/puzz03a.htm
>
>
>Terry
Takes Chest only 0.34 seconds (Athlon 1500+).
PV: b4 Rc5+ bxc5 a2 c6 h6 Rd5 f6 Rd1#
Complete solution tree:
b4 Bc7 Rf5 Bf4 Rxf4 Rc5+ bxc5 =*= Rf1#
-*- Rf1#
-*- Rf1#
Bg5 Rf5 Bf4 Rxf4 Rc5+ bxc5 =*= Rf1#
-*- Rf1#
-*- Rf1#
Rc5+ bxc5 a2 c6 Bc7 cxb7 =*= bxa8B#
bxa8Q#
Bg5 Rd5 =*= Rd1#
f5 Rd5 =*= Rd1#
Rxf5 =*= Rf1#
f6 Rd5 =*= Rd1#
Rf5 =*= Rf1#
h6 Rd5 =*= Rd1#
Rf5 =*= Rf1#
-*- Rf5 =*= Rf1#
-*- Rb1#
Rc6 Rd5 Rh6+ Kxh6 Bg5+ Kh5 =*= Rd1#
Kxh7 =*= Rd1#
Nxg5 =*= Rd1#
-*- Rd1#
Rc5 bxc5 =*= Rd1#
Rd6 Rxd6 =*= Rd1#
Rf6 Rd1+ Rf1 Rxf1#
-*- Rd1#
Rxc2 Nxc2 Bc7 Rd5 Bxg3 Rd1+ Be1 Rdxe1#
-*- Rd1#
Rf5 Bf4 Rxf4 =*= Rf1#
-*- Rf1#
a2 Rd5 a1=Q Nxa1 =*= Rd1#
a1=R Nxa1 =*= Rd1#
-*- Rd1#
Rf5 a1=Q Nxa1 =*= Rf1#
a1=R Nxa1 =*= Rf1#
-*- Rf1#
Bg5 Rd5 =*= Rd1#
f5 Rd5 =*= Rd1#
Rxf5 =*= Rf1#
f6 Rd5 =*= Rd1#
Rf5 =*= Rf1#
h6 Rd5 =*= Rd1#
Rf5 =*= Rf1#
-*- Rf5 =*= Rf1#
Be7 Rf5 Rc5 bxc5 =*= Rf1#
-*- Rf1#
Bf6 Rf5 Rc5 bxc5 =*= Rf1#
-*- Rf1#
Bh4 Rf5 Rc5 bxc5 =*= Rf1#
-*- Rf1#
Rc3 Rd5 Rc5 bxc5 =*= Rd1#
Rd3 Rxd3 =*= Rd1#
-*- Rd1#
Rf5 Rc5 bxc5 =*= Rf1#
-*- Rf1#
Rc4 Rf5 Rc5 bxc5 =*= Rf1#
Rf4 Rxf4 =*= Rf1#
Rh4+ gxh4 =*= Rf1#
-*- Rf1#
Rc7 Rd5 Rc5 bxc5 =*= Rd1#
Rd7 Rxd7 =*= Rd1#
-*- Rd1#
Rf5 Rc5 bxc5 =*= Rf1#
-*- Rf1#
Nc7 Rf5 =*= Rf1#
Rb8 Rd5 =*= Rd1#
Rf5 =*= Rf1#
f5 Rd5 =*= Rd1#
-*- Rd5 Rc5 bxc5 =*= Rd1#
-*- Rd1#
Rf5 Rc5 bxc5 =*= Rf1#
-*- Rf1#
=*= stands for "arbitrary move"
-*- stands for "any other move"
Cheers,
Heiner
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.