MESON Chess Problem Database

Problem Display
PID: 179788 (5b1r/7Q/4pn2/3p3p/8/pp1K1N2/p7/3k4 w - - 0 1)

Schoen, Gerhard Ernst

Probleemblad, 1979

5b1r/7Q/4pn2/3p3p/8/pp1K1N2/p7/3k4

#4

3 + 10

SOLUTION

  • SOUND
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qg1#
      • 1...Kc1
        • 2.Qd4
          • threat
            • 3.Qa1#
          • 2...Kb1
            • 3.Sd2+
              • 3...Kc1
                • 4.Qa1#
      • 1...Rg8
        • 2.Qd4
          • threat
            • 3.Qa1#
          • 2...Bh6
            • 3.Sg5
              • threat
                • 4.Qa1#
                • 4.Qg1#
              • 3...Kc1
                • 4.Qa1#
              • 3...Ke1
                • 4.Qg1#
          • 2...b2
            • 3.Qa4+
              • 3...Kc1
                • 4.Qc2#
      • 1...Bc5
        • 2.Qxc5
          • threat
            • 3.Qg1#
          • 2...Rg8
            • 3.Qe3
              • threat
                • 4.Qd2#
                • 4.Qe1#
            • 3.Qc3
              • threat
                • 4.Qa1#
                • 4.Qe1#
                • 4.Qd2#
          • 2...d4
            • 3.Qg5
              • threat
                • 4.Qd2#
                • 4.Qg1#

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