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K+R+RP vs K+R

David Vincent Hooper (31 August 1915 – May 1998), born in Reigate, was a British chess player and writer. As an amateur, he tied for fifth place in the 1949 British Championship at Felixstowe. He was the British correspondence chess champion in 1944 and the London Chess Champion in 1948. He played in the Chess Olympiad at Helsinki in 1952.

Hooper was an expert in the chess endgame and in chess history of the nineteenth century. He is best known for his chess writing, including The Oxford Companion to Chess (1992 with Ken Whyld), Steinitz (Hamburg 1968, in German), and A Pocket Guide to Chess Endgames (London 1970). 

For a brief bio on Dr Euwe see http://blog.chess.com/NimzoRoy/two-kts-arent-enough---part-2

SOURCES: Biography of Hooper - http://en.wikipedia.org/wiki/David_Vincent_Hooper

Painting: Honore Daumier Chess Players   http://www.artlover.me/en

All puzzles: A Guide to Chess Endings by Dr Max Euwe & David Hooper, ©1959. (Dover ed ©1970). All unattributed puzzles are presumably by Euwe & Hooper.

GENERAL COMMENTS: "...the RP is very drawish. White cannot easily protect his King from checks, his RP providing no cover.

A RP on the 5th-rank wins for certain only when the enemy King is cut off by 4 files, and a RP on the 4th-rank if the enemy King is cut off by 5 files. Black generally draws when the pawn is further back." (A Guide to Chess Endings, p. 147)

PS: Keep on checking back for more puzzles, I'll officially "close" this blog upon completion AND check on solution/move list even if you solve the puzzle to check out any sidelines or variations!

White's Rook cuts off Black's King by 3 files. When the pawn is on the 5th or beyond, Black's Rook is best placed on the 8th-rank.
Black to play draws vs the pawn on the 5th-rank although his King is 3 files away.
White's Rook is poorly placed in front of the pawn. With any other pawn, Black's King is usually able to cross the board so the position is resolved one way or the other.
A RP on the 7th-rank defended on the rank is better than having the Rook in front of the pawn.
White to move wins by 1.Kd4 Ke6 2.Kc5, Black to move draws:
Black to move draws with 1...Ke6, White to move wins:


Comments


  • 13 months ago

    caveatcanis

    [COMMENT DELETED]
  • 13 months ago

    NimzoRoy

    caveatcanis Thanks for the correction and from now on I'm going to use Deep Fritz 13 to "fact check" solutions before I post them in new blogs. Even without any endgame tablebases "he" seems to be reliable for verifying very basic endgame positions with 6 or less pieces - at least so far in my admittedly limited experience, running DF 13 in a 64-bit OS with a quad-core CPU.

    I might even go back and double-check everything already posted - and since I probably couldn't solve many if not most of the problems and studies myself a "refresher" course in my own blogs wouldn't hurt!

  • 13 months ago

    caveatcanis

    In #238, White wins more quickly with 3. Rh6+.

    Both 3...Kf5 4. Rh5+ and 3...Kd7 4. Rh8 Rxa7 5. Rh7+ win Black's rook.

    Black avoided 1...Ke6 because of this tactic, but then falls for it on the next move!

  • 24 months ago

    NimzoRoy

    @imsodumicantdie  maybe you just needed to clear out your brain's cache or reboot it in order to understand the diagramTongue Out

    Don't feel bad, awhile back I showed 2 friends a chessboard I had been given with the sqs set up wrong (h1 was black not white) and didn't get WTF they were telling me about it (namely the sqs were the wrong colors) until several  hrs later

  • 24 months ago

    imsodumicantdie

    This is weird, I look at it now and my comment makes no sense...

  • 2 years ago

    BM632W_52F880

    Cool

  • 2 years ago

    DENVERHIGH

    I like most of  the diagrams.

    I have a problem following the ones that say: "and wins" because that's assuming that "I can do it" correctly until a win.

    The funny part is that I'm in a game right now, that will be ending up in a K R v K R + 2 pawns.

    I will have the stronger side.

    Thanks for posting these. I will work them on a board.

  • 2 years ago

    ClavierCavalier

    My question was why 3. Rh7+, and you said it's a draw if it doesn't.  Then I said I wonder why, meaning I want to know why 3. Rh8 draws and 3. Rh7+ doesn't.

  • 2 years ago

    NimzoRoy

    ClavierCavalier  post a specific question and I'll try to answer it, your last post is too vague

  • 2 years ago

    ClavierCavalier

    I don't say it's wrong, but I just wonder why.

  • 2 years ago

    NimzoRoy

    imsodumicantdie  Cheron 233 var 1 (4th diagram from top) is a win for White, unless you have some new analysis which I'd be glad to include if it corrects the original study.

  • 2 years ago

    imsodumicantdie

    Diagram 4 should be a draw?

  • 2 years ago

    NimzoRoy

    ClavierCavalier I added your suggestion to the move list with my own analysis and it only draws but feel free to correct me if you can.

  • 2 years ago

    ClavierCavalier

    In Karstedt #232 Black to move, Why 3. Rh7+ instead of Rh8?

  • 2 years ago

    shengyi

    Solved all puzzles.

  • 2 years ago

    SharmaPawan

    very nice

  • 2 years ago

    NimzoRoy

    Because I erroneously input 6.Kb5 instead of 6.Kb6 (now corrected) thanks for pointing this out!

  • 2 years ago

    Balachandar

    Why not 6. Kb5 Rxa7 ?

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