Purdy: http://en.wikipedia.org/wiki/John_Purdy_(chess_player)
The url doesn't work, it stops at the parenthesis, so I created this tinyurl which will redirect:
Most underrated chess author.
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Interesting. Thanks for sharing.
I don't understand point 1 though. If increasing the rook's geometric power were the goal, you would leave the pawn where it is and move the rook to an open file where it already has maximal range. The point of pushing passed pawns isn't to give the pieces behind them more space (though that is a nice ancillary benefit); it's to promote the pawn, or force the opponent to make major concessions to stop it, or get that pawn "all up in his grill" as the cool kids say.
Mar 11, 2013
0
#4
From memory I think that Abrahams was discussing the choice of protecting your passed pawn by a rook in front or behind the pawn. Of course you are correct to say that the aim is overall to promote the pawn [ i.e the definition of the "aim" of the endgame by GM mEDNIS : to promote a pawn].
Oh right, that makes sense. Rook in front of the pawn definitely makes the rook weaker and weaker as the pawn advances, and it may also be difficult or impossible to move the rook away to secure promotion without losing the pawn.
Apr 29, 2021
0
#6
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1. Gerald Abrahams
He wrote in a mix of high-brow cultural referecnes and mathematical principles. That doesn't suit everyone. Nor does his books in English descriptive. But for quality of discussion and explanation he can't be beat. The first thing that I learnt about the endgame was from one of his books: he describes the benefits of your rook behind your passed pawn as geometric; the pawn moves and your rook's geometric power increases.
Book to recommend: Technique in Chess by Abrahams.
2. John Love. He was an obscure chess coach in the UK in the early 1980's. He wrote some excellent short books of annotated master games. One was called Positional ideas in chess and the othger tactical ideas in Chess. He deserves recognition for 2 reasons. [1] He had a unique test for each game where you were required to draw with a pencil the geometric "shape" of the game just like a doodle drawing - no moves, no notation required. That's unique. [2] He makes a comment on an early 1980's Kasparov game before he was contesting any world titles: this player has the talent to become a future world champion ! Again, in descriptive and out of print. Pubic libraries and second hamd bookshops are where to look.