Author: John Merlino
Date: 11:27:42 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 Yep, Chessmaster finds it within a few seconds. However, this might be an appropriate time to show off a new feature for Chessmaster 9000. Basically, this feature can show you full PVs and evals for the top N moves of any given position (you get to define N). In this case, what is displayed below are all 17 of Black's response to the correct move 1.b4 -- proving that the move does lead to forced mate: Time Depth Score Positions Moves 0:04 5/9 Mate04 208542 1...Rxc2 2.Nxc2 a2 3.Rd5 a1=Q 4.Nxa1 Nc7 5.Rd1# 0:04 5/9 Mate04 213009 1...Rc5+ 2.bxc5 a2 3.c6 bxc6 4.Rf5 Bc7 5.Rf1# 0:04 5/9 Mate04 247087 1...Bc7 2.Rf5 Bf4 3.Rxf4 Rc5+ 4.bxc5 bxc5 5.Rf1# 0:04 5/9 Mate04 269280 1...Bg5 2.Rf5 Bf4 3.Rxf4 Rc5+ 4.bxc5 bxc5 5.Rf1# 0:05 5/9 Mate04 289921 1...Rc6 2.Rd5 Rh6+ 3.Kxh6 Bg5+ 4.Nxg5 Nc7 5.Rd1# 0:05 5/9 Mate03 291063 1...Rc4 2.Rf5 Rf4 3.Rxf4 Nc7 4.Rf1# 0:05 5/9 Mate03 292889 1...f6 2.Rf5 Rc5 3.bxc5 bxc5 4.Rf1# 0:05 5/9 Mate03 294593 1...h6 2.Rf5 Rc5 3.bxc5 bxc5 4.Rf1# 0:05 5/9 Mate03 296143 1...Be7 2.Rf5 Rc5 3.bxc5 Bxc5 4.Rf1# 0:05 5/9 Mate03 297611 1...Bh4 2.Rf5 Rc5 3.bxc5 bxc5 4.Rf1# 0:05 5/9 Mate03 299381 1...Bf6 2.Rf5 Rc5 3.bxc5 Bxa1 4.Rf1# 0:05 5/9 Mate03 301593 1...a2 2.Rf5 Rc5 3.bxc5 bxc5 4.Rf1# 0:05 5/9 Mate03 302752 1...Rc3 2.Rf5 Rc5 3.bxc5 bxc5 4.Rf1# 0:05 5/9 Mate03 303699 1...Rc7 2.Rd5 Rc5 3.bxc5 bxc5 4.Rd1# 0:05 5/9 Mate02 303872 1...Nc7 2.Rf5 Nd5 3.Rf1# 0:05 5/9 Mate02 304049 1...Rb8 2.Rf5 Nc7 3.Rf1# 0:05 5/9 Mate02 304218 1...f5 2.Rd5 Rc5 3.Rd1# jm
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