Problem Display
PID: 196321 (5Q2/1n6/1N2p2B/8/6P1/2k1P3/P7/1K6 w - - 0 1)

van den Boom, C

Op de Hoogte, 1914

5Q2/1n6/1N2p2B/8/6P1/2k1P3/P7/1K6

#3

7 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Kc1?
      • threat
        • 2.Qa3#
      • 1...Sc5
        • 2.Qxc5+
          • 2...Kd3
            • 3.Qc2#
            • 3.Qc4#
      • 1...Sd6
        • 2.Qxd6
          • 2...e5
            • 3.Qa3#
            • 3.Qd2#
      • 1...Sa5
        • 2.Qa3+
          • 2...Sb3+
            • 3.Qxb3#
        • 2.Qc5+
          • 2...Kd3
            • 3.Qc2#
          • 2...Sc4
            • 3.Qxc4#
      • 1...Kd3!
  • Keys
    • 1.e4!
      • 1...Kd3
        • 2.Qf2
          • threat
            • 3.Qe3#
          • 2...Kc3
            • 3.Qd2#
          • 2...Kxe4
            • 3.Qe3#
      • 1...Kd4
        • 2.Qb4+
          • 2...Kd3
            • 3.Qc4#
          • 2...Ke5
            • 3.Sd7#
      • 1...Sc5
        • 2.Qxc5+
          • 2...Kd3
            • 3.Qe3#
            • 3.Qc4#
      • 1...Sd6
        • 2.Qxd6
          • 2...e5
            • 3.Bd2#
            • 3.Qd2#
      • 1...Sa5
        • 2.Qc5+
          • 2...Kd3
            • 3.Qe3#
          • 2...Sc4
            • 3.Qxc4#
      • 1...Sd8
        • 2.Qc5+
          • 2...Kd3
            • 3.Qe3#
            • 3.Qc4#
        • 2.Qd6
          • threat
            • 3.Bd2#
            • 3.Qd2#
      • 1...e5
        • 2.Qa3+
          • 2...Kd4
            • 3.Qe3#

FEATURES


NOT CLASSIFIED


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).