Problem Display
PID: 137266 (8/8/8/6Q1/8/3K4/5pRP/5k1q w - - 0 1)

Kovalenko, Vitaly Semenovich

Kozhakin, Vladimir Vladimirovich

Comm., Freie Presse, 1999

8/8/8/6Q1/8/3K4/5pRP/5k1q

#3

4 + 3


14503 Problemschach-Jahrbuch (1999) 2000
15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION


  • SOUND
  • Sets
    • 1...Ke1
      • 2.Qc1#
    • 1...Qxg2
      • 2.Qc1#
    • 1...Qxh2
      • 2.Rxh2
        • 2...Ke1
          • 3.Qc1#
  • Tries
    • 1.Rxf2+?
      • 1...Ke1
        • 2.Qd2#
      • 1...Kxf2!
    • 1.Qe3?
      • threat
        • 2.Qxf2#
      • 1...Qg1
        • 2.Qf3
          • 2...Ke1
            • 3.Qe2#
          • 2...Qxh2
            • 3.Qxf2#
          • 2...Qxg2
            • 3.Qd1#
          • 2...Qh1
            • 3.Qxf2#
      • 1...Kxg2!
    • 1.Qf4?
      • threat
        • 2.Qxf2#
      • 1...Qg1
        • 2.Qf3
          • 2...Ke1
            • 3.Qe2#
          • 2...Qxh2
            • 3.Qxf2#
          • 2...Qxg2
            • 3.Qd1#
          • 2...Qh1
            • 3.Qxf2#
      • 1...Kxg2!
    • 1.Qf6?
      • threat
        • 2.Qxf2#
      • 1...Qg1
        • 2.Qf3
          • 2...Ke1
            • 3.Qe2#
          • 2...Qxh2
            • 3.Qxf2#
          • 2...Qxg2
            • 3.Qd1#
          • 2...Qh1
            • 3.Qxf2#
      • 1...Kxg2!
    • 1.Qg3?
      • threat
        • 2.Qxf2#
      • 1...Ke1
        • 2.Qxf2+
          • 2...Kd1
            • 3.Qd2#
        • 2.Qe3+
          • 2...Kd1
            • 3.Qd2#
          • 2...Kf1
            • 3.Qxf2#
      • 1...Qg1
        • 2.Qf3
          • 2...Ke1
            • 3.Qe2#
          • 2...Qxh2
            • 3.Qxf2#
          • 2...Qxg2
            • 3.Qd1#
          • 2...Qh1
            • 3.Qxf2#
      • 1...Qxg2!
    • 1.Qg7?
      • 1...Qxh2
        • 2.Rxh2
          • 2...Ke1
            • 3.Qa1#
      • 1...Qg1!
  • Keys
    • 1.Qg4!
      • 1...Qxh2
        • 2.Rxh2
          • 2...Ke1
            • 3.Qe2#
      • 1...Qg1
        • 2.Qf3
          • 2...Ke1
            • 3.Qe2#
          • 2...Qxh2
            • 3.Qxf2#
          • 2...Qxg2
            • 3.Qd1#
          • 2...Qh1
            • 3.Qxf2#

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).