MESON Chess Problem Database

Problem Display
PID: 158859 (2N5/5Q1n/8/1K2k3/8/2P5/B7/8 w - - 0 1)

O'Keefe, John James

British Chess Magazine, 1907

2N5/5Q1n/8/1K2k3/8/2P5/B7/8

#3

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Sf8
      • 2.Bb1
        • threat
          • 3.Qf5#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Bb1
          • threat
            • 3.Qf5#
          • 2...Ke6
            • 3.Qf5#
      • 1...Sf6
        • 2.Qg3+
          • 2...Ke4
            • 3.Sd6#
          • 2...Kf5
            • 3.Sd6#
      • 1...Sg5!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Bb1
          • threat
            • 3.Qf5#
          • 2...Kd5
            • 3.Qf5#
          • 2...Ke6
            • 3.Qf5#
      • 1...Ke4
        • 2.Bb1+
          • 2...Kd5
            • 3.Qf5#
          • 2...Ke5
            • 3.Qf5#
      • 1...Sg5
        • 2.Qd4+
          • 2...Kf5
            • 3.Se7#
      • 1...Sf6
        • 2.Qg3+
          • 2...Ke4
            • 3.Sd6#
          • 2...Kf5
            • 3.Sd6#

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