MESON Chess Problem Database

Problem Display
PID: 177264 (1n4r1/3p4/5Q2/1BR2P1k/7B/2Kp1ppp/2b5/8 w - - 0 1)

Sonnenfeld, Felix Alexander

3rd Comm., Schach-Echo, 1958

1n4r1/3p4/5Q2/1BR2P1k/7B/2Kp1ppp/2b5/8

#4

6 + 9

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Keys
    • 1.Rc8!
      • threat
        • 2.Rxg8
          • threat
            • 3.Qg5#
            • 3.Qh8#
      • 1...Rxc8+
        • 2.Bc4
          • threat
            • 3.Qg5#
          • 2...Rxc4+
            • 3.Kd2
              • threat
                • 4.Qg5#
              • 3...Kg4
                • 4.Qg5#
              • 3...Rxh4
                • 4.Qg6#
              • 3...Rg4
                • 4.Qh8#
          • 2...Rg8
            • 3.Bxg8
              • threat
                • 4.Qg5#
              • 3...Kg4
                • 4.Qg5#
      • 1...Kg4
        • 2.Rc4+
          • 2...Kh5
            • 3.Bg5
              • threat
                • 4.Rh4#
                • 4.Qh6#
              • 3...Rxg5
                • 4.Qh8#
        • 2.Rxg8+
          • 2...Kf4
            • 3.Bxg3+
              • 3...Ke3
                • 4.Re8#
                • 4.Qe5#
                • 4.Qe7#
              • 3...Ke4
                • 4.Qe5#
      • 1...d2
        • 2.Rxg8
          • threat
            • 3.Qg5#
            • 3.Qh8#
          • 2...d1S+
            • 3.Kd2
              • threat
                • 4.Qg5#
                • 4.Qh8#
      • 1...d5
        • 2.Rxg8
          • threat
            • 3.Be8#
            • 3.Qg5#
            • 3.Qh8#
          • 2...d4+
            • 3.Qxd4
              • threat
                • 4.Rh8#
                • 4.Qh8#
              • 3...Kh6
                • 4.Rh8#
                • 4.Qh8#
            • 3.Kb2
              • threat
                • 4.Be8#
                • 4.Qg5#
                • 4.Qh8#
            • 3.Kd2
              • threat
                • 4.Be8#
                • 4.Qg5#
                • 4.Qh8#

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