MESON Chess Problem Database

Problem Display
PID: 221945 (8/7Q/1p5r/1P1pPp2/3PkP2/4B3/4PP2/1K2N3 w - - 0 1)

Schaller, Klaus

Stella Polaris, 1967

8/7Q/1p5r/1P1pPp2/3PkP2/4B3/4PP2/1K2N3

#3

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Qxh1#
    • 1...Rh4
      • 2.Qc7
        • threat
          • 3.Qc2#
    • 1...Rh5
      • 2.Qc7
        • threat
          • 3.Qc2#
    • 1...Rc6
      • 2.Qh1#
    • 1...Rd6
      • 2.Qh1#
    • 1...Re6
      • 2.Qh1#
    • 1...Rf6
      • 2.Qh1#
    • 1...Rg6
      • 2.Qh1+
        • 2...Rg2
          • 3.Qxg2#
  • Tries
    • 1.Sc2?
      • threat
        • 2.f3#
      • 1...Rh1+
        • 2.Qxh1#
      • 1...Rh3!
    • 1.Sf3?
      • threat
        • 2.Sd2#
        • 2.Sg5#
      • 1...Rh5
        • 2.Sd2#
      • 1...Rg6
        • 2.Sd2#
      • 1...Rh1+!
    • 1.Qg7?
      • threat
        • 2.Qg2#
      • 1...Rh2
        • 2.e6
          • threat
            • 3.Qe5#
      • 1...Rh3
        • 2.Qg2+
          • 2...Rf3
            • 3.Qxf3#
            • 3.exf3#
        • 2.e6
          • threat
            • 3.Qe5#
      • 1...Rg6!
    • 1.e6?
      • threat
        • 2.Qc7
          • threat
            • 3.Qe5#
            • 3.Qc2#
        • 2.Qg7
          • threat
            • 3.Qe5#
            • 3.Qg2#
      • 1...Rh2
        • 2.Qc7
          • threat
            • 3.Qe5#
            • 3.Qc2#
        • 2.Qg7
          • threat
            • 3.Qe5#
      • 1...Rh3
        • 2.Qc7
          • threat
            • 3.Qe5#
            • 3.Qc2#
        • 2.Qg7
          • threat
            • 3.Qe5#
      • 1...Rg6
        • 2.Qh1+
          • 2...Rg2
            • 3.Qxg2#
        • 2.Qc7
          • threat
            • 3.Qe5#
            • 3.Qc2#
      • 1...Rxh7!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qc2#
      • 1...Rc6
        • 2.Sc2
          • threat
            • 3.f3#
          • 2...Rxc2
            • 3.Qxc2#

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