Problem Display
PID: 14237 (8/8/8/8/1Pp2p2/1P3P2/3PRp2/k1K2Q2 w - - 0 1)

Giobel, Bengt Rudolf

Daily News, 1924

8/8/8/8/1Pp2p2/1P3P2/3PRp2/k1K2Q2

#3

7 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Rxf2?
      • 1...cxb3
        • 2.Qa6#
      • 1...c3
        • 2.Qa6#
      • 1...Ka2!
    • 1.Re4?
      • 1...cxb3
        • 2.Qa6#
      • 1...c3
        • 2.Qa6#
      • 1...Ka2!
    • 1.d3?
      • threat
        • 2.Qxf2
          • threat
            • 3.Ra2#
            • 3.Qa7#
      • 1...cxd3
        • 2.Rc2
          • threat
            • 3.Kd2#
          • 2...d2+
            • 3.Kxd2#
          • 2...dxc2
            • 3.Qa6#
      • 1...c3
        • 2.Qxf2
          • 2...c2
            • 3.Qa7#
      • 1...cxb3!
  • Keys
    • 1.d4!
      • threat
        • 2.Rb2
          • threat
            • 3.Kc2#
          • 2...cxb3
            • 3.Qa6#
        • 2.Rc2
          • threat
            • 3.Kd2#
          • 2...c3
            • 3.Qa6#
        • 2.Rd2
          • 2...cxb3
            • 3.Qa6#
          • 2...c3
            • 3.Qa6#
        • 2.Rxf2
          • 2...cxb3
            • 3.Qa6#
          • 2...c3
            • 3.Qa6#
      • 1...cxb3
        • 2.Ra2+
          • 2...Kxa2
            • 3.Qa6#
          • 2...bxa2
            • 3.Kc2#
      • 1...cxd4 ep
        • 2.Rc2
          • threat
            • 3.Kd2#
          • 2...d2+
            • 3.Kxd2#
          • 2...dxc2
            • 3.Qa6#
      • 1...c3
        • 2.Rxf2
          • 2...c2
            • 3.Qa6#

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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).