MESON Chess Problem Database

Problem Display
PID: 229713 (4K3/8/8/4Q3/1p2p3/7p/k7/6R1 w - - 0 1)

Clausen, Sigurd

Skakbladet, 1931

4K3/8/8/4Q3/1p2p3/7p/k7/6R1

#4

3 + 4

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qxb4
          • threat
            • 3.Rb1
              • threat
                • 4.Qb2#
                • 4.Qb3#
            • 3.Rg5
              • threat
                • 4.Ra5#
              • 3...Ka1
                • 4.Ra5#
            • 3.Rg6
              • threat
                • 4.Ra6#
              • 3...Ka1
                • 4.Ra6#
            • 3.Rg7
              • threat
                • 4.Ra7#
              • 3...Ka1
                • 4.Ra7#
            • 3.Qc3
              • threat
                • 4.Ra1#
      • 1...Kb3
        • 2.Rb1+
          • 2...Kc2
            • 3.Rb2+
              • 3...Kc1
                • 4.Qd2#
      • 1...h2
        • 2.Rg2+
          • 2...Ka3
            • 3.Qd5
              • threat
                • 4.Ra2#
                • 4.Qa2#
              • 3...Ka4
                • 4.Ra2#
              • 3...b3
                • 4.Qa5#
          • 2...Kb3
            • 3.Rb2+
              • 3...Ka3
                • 4.Qxb4#
              • 3...Ka4
                • 4.Qxb4#
      • 1...e3
        • 2.Qd3
          • threat
            • 3.Qc2+
              • 3...Ka3
                • 4.Ra1#
            • 3.Rb1
              • threat
                • 4.Qb3#
              • 3...b3
                • 4.Qxb3#
          • 2...Kb2
            • 3.Rb1+
              • 3...Ka2
                • 4.Qb3#
          • 2...b3
            • 3.Qd4
              • threat
                • 4.Ra1#
                • 4.Qa1#
              • 3...Ka3
                • 4.Ra1#
              • 3...b2
                • 4.Qa4#

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