MESON Chess Problem Database

Problem Display
PID: 229651 (8/1p6/pP4p1/Q5K1/8/8/3NPP2/B3k3 w - - 0 1)

Knudsen, A Vald

Tidskrift for Schack, 1911

8/1p6/pP4p1/Q5K1/8/8/3NPP2/B3k3

#4

7 + 4

SOLUTION

  • SOUND
  • Keys
    • 1.Bc3!
      • threat
        • 2.Qa1+
          • 2...Kxf2
            • 3.Qf1+
              • 3...Ke3
                • 4.Qf3#
              • 3...Kg3
                • 4.Be5#
      • 1...Kd1
        • 2.Qa1+
          • 2...Kc2
            • 3.Bb4
              • 3...a5
                • 4.Qb1#
      • 1...Kxe2
        • 2.Qa1
          • threat
            • 3.Qf1#
          • 2...Kxf2
            • 3.Qf1+
              • 3...Ke3
                • 4.Qf3#
              • 3...Kg3
                • 4.Be5#
          • 2...Kd3
            • 3.Ba5
              • 3...Kc2
                • 4.Qb1#
              • 3...Ke2
                • 4.Qf1#
      • 1...Kxf2
        • 2.Qa1
          • threat
            • 3.Qf1+
              • 3...Ke3
                • 4.Qf3#
              • 3...Kg3
                • 4.Be5#
          • 2...Kxe2
            • 3.Qf1+
              • 3...Ke3
                • 4.Qf3#
          • 2...Kg2
            • 3.Qf1+
              • 3...Kh2
                • 4.Be5#
              • 3...Kg3
                • 4.Be5#
          • 2...Ke3
            • 3.Qf1
              • 3...a5
                • 4.Qf3#
          • 2...Kg3
            • 3.Qf1
              • threat
                • 4.Be5#
              • 3...Kh2
                • 4.Be5#

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