Double Organ Pipes

[garykevinware]

This week, we continue our look at the Organ Pipes theme, by looking at cases where both Black and White have the 'organ pipe' formation.
The following quote, regarding Pal Benko's Double Organ Pipes, is from Two-Move Chess Problems by Robert Clyde Moore. "Grandmaster Pal Benko informs us, "I did not make many two-movers.... My organ pipes is the best effort." He complements Loyd's black organ pipes with white organ pipes, which makes four self-obstructions in virtual maneuvering. An earlier rendition of double organ pipes by Comins Mansfield didn't anticipate this problem, since the matrixes were different."



Pal Benko Magyar Sakkelet 1974 #2

The following quote from Pal Benko, regarding this same problem, comes from Pal Benko: My Life, Games and Compositions by GM Pal Benko and IM Jeremy Silman. "I have to mention that the famous English two-mover specialist, Comins Mansfield, congratulated my effort. He wrote that he had also tried his hand at the Organ Pipes, and couldn't make it work. He added that besides me, the only other grandmaster who could create good two-movers was the great Paul Keres!"
Here is the aforementioned problem by Comins Mansfield:



Comins Mansfield The Problemist 1961 #2

Nils van Dijk also had an 'edge organ pipes', as part of a Double Organ Pipes.



Nils van Dijk Shakend Nederland 1963 #2

6 points for sending me a complete variation to each problem, at garykevinware@yahoo.com , by next Wednesday.

[garykevinware]

Here are the answers to last week's problems:
Benko #2-
The four tries, using White interference, 1 Bd2?, 1 Be2?, 1 Re2? and 1 Rd2?, are all refuted; 1 Bd2 and 1 Re2 by 1...e4!, 1 Rd2 by 1...f3!, and 1 Be2 by several moves. Instead, the waiting move,
1 Kg1
1...Bd7/Bd6 2 Qd5#
1...Be7/Be6 2 Qxe5#
1...Rd7/Re6 2 Nxf5#
1...Rd6/Re7 2 Qc5#
Mansfield #2-
1 Rb3 Re5 2 Qxe5#
1...Rf4 2 Nxe3#
1...Bg4 2 Qxe4#
1...Bf5 2 Qe5#
1...Be6 2 Qa8#
1...Bg2 2 Qxf7#
1...Nc2 2 Rb5#
van Dijk #2-
1 Bg8 Be2 2 Qe4#
1...Bf3 2 Qf4#
1...Bc2 2 Nxg4#
1...Bxc5 2 Qxc5#
1...Bd4+ 2 Qxd4#
1...Re3 2 Qd4#
1...Rf4 2 Qxf4#
1...Re4 2 Qxe4#
1...Nh7 2 Nxd7#
1...exf6 2 Bxf6#
Recently, Steven Dowd wrote an article on the Organ Pipes theme, for Chess Life Online, http://main.uschess.org/content/view/11701/141.
In last week's post, More Organ Pipes, I asked for assistance in finding the mentioned articles by Alain White. Renato Casalino sent me a couple of links to download the 1909 and 1912 editions of the British Chess Magazine, but I was unable to do so. I made another attempt to search online for them, and hit the jackpot, as I found a treasure trove of old chess magazines at http://www.chessarch.com/library/magazines.shtml.