MESON Chess Problem Database

Problem Display
PID: 221022 (8/8/8/1P6/QP6/1R6/pb3K2/k7 w - - 0 1)

Martin, Ernst Otto

Deutsche Schachzeitung, 1941

8/8/8/1P6/QP6/1R6/pb3K2/k7

#4

5 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Ra3!
      • threat
        • 2.Qd1+
          • 2...Bc1
            • 3.Qxc1#
      • 1...Bd4+
        • 2.Ke2
          • threat
            • 3.Rxa2+
              • 3...Kb1
                • 4.Qc2#
            • 3.Qd1+
              • 3...Kb2
                • 4.Rb3#
            • 3.Qb3
              • threat
                • 4.Rxa2#
                • 4.Qxa2#
          • 2...Kb1
            • 3.Qd1+
              • 3...Kb2
                • 4.Rb3#
          • 2...Kb2
            • 3.Rxa2+
              • 3...Kb1
                • 4.Qc2#
              • 3...Kc1
                • 4.Qd1#
                • 4.Qc2#
              • 3...Kc3
                • 4.Rc2#
          • 2...Bb2
            • 3.Qd1+
              • 3...Bc1
                • 4.Qxc1#
      • 1...Kb1
        • 2.Qd1+
          • 2...Bc1
            • 3.Rb3+
              • 3...Ka1
                • 4.Qxc1#
      • 1...Bxa3
        • 2.Qc2
          • 2...Bb2
            • 3.Qd1+
              • 3...Bc1
                • 4.Qxc1#

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