Problem Display
PID: 230006 (3B4/8/8/8/4K2b/Q7/1r2B3/2k5 w - - 0 1)

Kirschner, Heinrich Arthur

1st Prize, Neue Leipziger Zeitung, 1934

3B4/8/8/8/4K2b/Q7/1r2B3/2k5

#4

4 + 3


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Ba5!
      • threat
        • 2.Qa1+
          • 2...Kc2
            • 3.Bd1#
            • 3.Qd1#
          • 2...Rb1
            • 3.Qc3#
        • 2.Bc3
          • threat
            • 3.Qxb2#
          • 2...Kb1
            • 3.Qxb2#
          • 2...Kc2
            • 3.Qxb2#
      • 1...Kb1
        • 2.Bd3+
          • 2...Kc1
            • 3.Qa1+
              • 3...Rb1
                • 4.Qxb1#
          • 2...Rc2
            • 3.Bc3
              • threat
                • 4.Qb2#
                • 4.Qa1#
      • 1...Be1
        • 2.Bc3
          • threat
            • 3.Qxb2#
          • 2...Bxc3
            • 3.Qa1+
              • 3...Kc2
                • 4.Qd1#
              • 3...Kd2
                • 4.Qd1#
              • 3...Rb1
                • 4.Qxc3#
      • 1...Bf6
        • 2.Bd3
          • threat
            • 3.Qa1+
              • 3...Rb1
                • 4.Qxb1#
          • 2...Kd1
            • 3.Qa1+
              • 3...Rb1
                • 4.Qxb1#
          • 2...Bc3
            • 3.Qxc3+
              • 3...Kd1
                • 4.Qe1#
              • 3...Rc2
                • 4.Qa1#
                • 4.Qxc2#
        • 2.Bc3
          • threat
            • 3.Qxb2#
          • 2...Bxc3
            • 3.Qa1+
              • 3...Kc2
                • 4.Qd1#
              • 3...Kd2
                • 4.Qd1#
              • 3...Rb1
                • 4.Qxc3#

FEATURES


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Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).