MESON Chess Problem Database

Problem Display
PID: 221017 (kb3rb1/np3p2/1P3p1K/Q3p3/8/8/2R5/8 w - - 0 1)

Kraemer, Adolf Herrmann Rudolf Ferdinand

Deutsche Schachzeitung, 1936

kb3rb1/np3p2/1P3p1K/Q3p3/8/8/2R5/8

#4

4 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qa1!
      • threat
        • 2.Ra2
          • threat
            • 3.Rxa7+
              • 3...Bxa7
                • 4.Qxa7#
          • 2...Bd6
            • 3.Rxa7+
              • 3...Kb8
                • 4.Ra8#
          • 2...Bc7
            • 3.Rxa7+
              • 3...Kb8
                • 4.Ra8#
            • 3.bxc7
              • threat
                • 4.Rxa7#
      • 1...Rd8
        • 2.Ra2
          • threat
            • 3.Rxa7+
              • 3...Bxa7
                • 4.Qxa7#
          • 2...Bd6
            • 3.Rxa7+
              • 3...Kb8
                • 4.Ra8#
          • 2...Bc7
            • 3.Rxa7+
              • 3...Kb8
                • 4.Ra8#
            • 3.bxc7
              • threat
                • 4.Rxa7#
                • 4.cxd8Q#
                • 4.cxd8R#
      • 1...e4
        • 2.Rc7
          • threat
            • 3.Qa6
              • threat
                • 4.Qxb7#
              • 3...Bxc7
                • 4.Qxa7#
              • 3...bxa6
                • 4.b7#
          • 2...Rc8
            • 3.Rxc8
              • threat
                • 4.Qxa7#

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