MESON Chess Problem Database

Problem Display
PID: 272880 (8/7p/1KP2P2/1P3R1P/pp4p1/kn4Rb/1p1P4/1B1Q4 w - - 0 1)

O'Keefe, John James

Die Schwalbe, 1932

8/7p/1KP2P2/1P3R1P/pp4p1/kn4Rb/1p1P4/1B1Q4

#4

10 + 8

SOLUTION

  • SOUND
  • Keys
    • 1.Qg1!
      • threat
        • 2.Rxb3+
          • 2...Kxb3
            • 3.Qe3+
              • 3...Kc4
                • 4.Rc5#
                • 4.Qd3#
            • 3.Qg3+
              • 3...Kc4
                • 4.Qd3#
          • 2...axb3
            • 3.Kb7
              • threat
                • 4.Qa7#
              • 3...Ka4
                • 4.Qa7#
            • 3.Kc7
              • threat
                • 4.Qa7#
              • 3...Ka4
                • 4.Qa7#
      • 1...Bf1
        • 2.Rxf1
          • 2...h6
            • 3.Rc1
              • 3...bxc1Q
                • 4.Qxc1#
              • 3...bxc1S
                • 4.Qxc1#
              • 3...bxc1B
                • 4.Qxc1#
              • 3...bxc1R
                • 4.Qxc1#
      • 1...Bg2
        • 2.Rxb3+
          • 2...Kxb3
            • 3.Qe3+
              • 3...Kc4
                • 4.Rc5#
                • 4.Qd3#
          • 2...axb3
            • 3.Kc7
              • threat
                • 4.Qa7#
              • 3...Ka4
                • 4.Qa7#

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