MESON Chess Problem Database

Problem Display
PID: 79251 (8/r7/2p5/2Q5/k2K4/8/8/8 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1963

8/r7/2p5/2Q5/k2K4/8/8/8

#3

2 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ra8
      • 2.Kc4
        • threat
          • 3.Qb4#
        • 2...Rb8
          • 3.Qa7#
  • Tries
    • 1.Kc4?
      • threat
        • 2.Qb4#
        • 2.Qxa7#
      • 1...Ra5
        • 2.Qb4#
      • 1...Ra6
        • 2.Qb4#
      • 1...Rc7
        • 2.Qb4#
      • 1...Rd7
        • 2.Qb4#
      • 1...Re7
        • 2.Qb4#
      • 1...Rf7
        • 2.Qb4#
      • 1...Rg7
        • 2.Qb4#
      • 1...Rh7
        • 2.Qb4#
      • 1...Ra8
        • 2.Qb4#
      • 1...Rb7!
  • Keys
    • 1.Qc4+!
      • 1...Ka3
        • 2.Kc3
          • threat
            • 3.Qb3#
          • 2...Rb7
            • 3.Qa6#
      • 1...Ka5
        • 2.Kc5
          • threat
            • 3.Qa2#

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