MESON Chess Problem Database

Problem Display
PID: 20351 (n3k3/2p2p2/5B2/7p/2p5/2N5/p7/R3K2R w QK - 0 1)

Nerong, Otto

Die Schwalbe, 1967

n3k3/2p2p2/5B2/7p/2p5/2N5/p7/R3K2R

#4

5 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.0-0-0!
      • threat
        • 2.Rd8#
      • 1...a1Q+
        • 2.Kc2
          • threat
            • 3.Rd8#
          • 2...Qb2+
            • 3.Kxb2
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Qxc3+
            • 3.Kxc3
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Qb1+
            • 3.Kxb1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
            • 3.Sxb1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Qc1+
            • 3.Kxc1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Qxd1+
            • 3.Rxd1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Qa2+
            • 3.Sxa2
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Qa4+
            • 3.Sxa4
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
      • 1...a1R+
        • 2.Kb2
          • threat
            • 3.Rd8#
          • 2...Rb1+
            • 3.Kxb1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Ra2+
            • 3.Kxa2
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Rxd1
            • 3.Rxd1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
        • 2.Kc2
          • threat
            • 3.Rd8#
          • 2...Rc1+
            • 3.Kxc1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Ra2+
            • 3.Sxa2
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
          • 2...Rxd1
            • 3.Rxd1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#
        • 2.Sb1
          • threat
            • 3.Rd8#
          • 2...Rxb1+
            • 3.Kxb1
              • threat
                • 4.Rd8#
              • 3...Kf8
                • 4.Rd8#

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