MESON Chess Problem Database

Problem Display
PID: 59564 (8/2p5/2Q5/5pP1/5K2/4N3/p4pP1/R4bqk w - - 0 1)

O'Keefe, John James

2nd Prize, Good Companions (April), 1923

8/2p5/2Q5/5pP1/5K2/4N3/p4pP1/R4bqk

#3

6 + 7

56 The Problemist 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Kh2
      • 2.Qh6#
    • 1...Qh2+
      • 2.g3+
        • 2...Kg1
          • 3.Rxf1#
        • 2...Qg2
          • 3.Qxg2#
    • 1...Qxg2
      • 2.Qxg2#
    • 1...Be2
      • 2.Qh6+
        • 2...Bh5
          • 3.Qxh5#
      • 2.g4+
        • 2...Kh2
          • 3.Qh6#
        • 2...Bf3
          • 3.Qh6#
    • 1...Bxg2
      • 2.Qxg2#
    • 1...Bd3
      • 2.Qh6#
    • 1...Bc4
      • 2.Qh6#
    • 1...Bb5
      • 2.Qh6#
    • 1...Ba6
      • 2.Qh6#
  • Tries
    • 1.Kxf5?
      • threat
        • 2.Qh6+
          • 2...Qh2
            • 3.Rxf1#
      • 1...Kh2
        • 2.Qh6+
          • 2...Kg3
            • 3.Qh3#
      • 1...Qh2
        • 2.Rxf1+
          • 2...Qg1
            • 3.Qh6#
        • 2.g3+
          • 2...Kg1
            • 3.Rxf1#
          • 2...Qg2
            • 3.Qxg2#
        • 2.g4+
          • 2...Kg1
            • 3.Rxf1#
          • 2...Qg2
            • 3.Qxg2#
      • 1...Be2
        • 2.Qh6+
          • 2...Bh5
            • 3.Qxh5#
      • 1...Bd3+!
    • 1.Rxf1?
      • threat
        • 2.Qh6#
      • 1...Kh2
        • 2.Qh6#
      • 1...Qxf1!
    • 1.g3+?
      • 1...Qg2
        • 2.Qxg2#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Kh2!
    • 1.g4+?
      • 1...Qg2
        • 2.Qxg2#
      • 1...Bg2
        • 2.Qxg2#
      • 1...Kh2!
  • Keys
    • 1.Ke5!
      • 1...Qh2+
        • 2.g3+
          • 2...Kg1
            • 3.Rxf1#
          • 2...Qg2
            • 3.Qxg2#
      • 1...Kh2
        • 2.Qh6+
          • 2...Kg3
            • 3.Qh3#
      • 1...Be2
        • 2.Qh6+
          • 2...Bh5
            • 3.Qxh5#
      • 1...f4
        • 2.Qh6+
          • 2...Qh2
            • 3.Rxf1#

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