Proof Game in 26.5 moves

BigDogg

Secret RHP coder

Posers and Puzzles

17 Sep 06 06:50

David113

Joined: 25 Aug 06
Moves: 0

22 Sep 06 08:51

I trust the Nalimov tablebases:

http://www.lokasoft.nl/tbweb.htm

http://www.k4it.de/index.php?topic=egtb&lang=en

BigDogg

Secret RHP coder

on the payroll

Joined: 26 Nov 04
Moves: 155080

22 Sep 06 17:31

Originally posted by David113
I trust the Nalimov tablebases:

http://www.lokasoft.nl/tbweb.htm

http://www.k4it.de/index.php?topic=egtb&lang=en

On the 2nd site, if you follow the 'best line of play' after 1.b8N, there is no capture or pawn move from the "Win in 58" position to "Win in 4". The 50-move rule makes this a draw.

BigDogg

Secret RHP coder

on the payroll

Joined: 26 Nov 04
Moves: 155080

23 Sep 06 15:45

Any thoughts on the Proof Game, David?

BigDogg

Secret RHP coder

on the payroll

Joined: 26 Nov 04
Moves: 155080

28 Sep 06 22:26

Looks like nobody's gonna solve this PG.

Solution:
1.f4 h5 2.f5 h4 3.f6 h3 4.fxe7 hxg2 5.exf8B Rh3 6.Bc5 Rg3 7.Bb6 axb6 8.h4 Raa3 9.h5 Rac3 10.bxc3 Qh4 11.Ba3 f6 12.Bf8 d6 13.h6 Bf5 14.h7 Bd3 15.exd3 Kf7 16.Qf3 Kg6 17.Ne2 g1N 18.h8R Nh3 19.Rh5 Nf4 20.Rb5 Ne6 21.Rb2 Qb4 22.Rh8 Nh6 23.Qg2 Kh5 24.Nc1 g6 25.Bg7 c5 26.Rf8 Nf7 27.Bh8