Problem Display
PID: 265494 (7Q/3N4/5P2/8/3k4/K7/5NP1/8 w - - 0 1)

Suvorov, Ivan

Zadachi i Etyudi, 2010

7Q/3N4/5P2/8/3k4/K7/5NP1/8

#3

6 + 1


  • SOUND
  • Tries
    • 1.Qh3?
      • threat
        • 2.Qd3#
      • 1...Kc4
        • 2.Qd3#
      • 1...Kd5!
    • 1.Qh5?
      • threat
        • 2.Qc5#
      • 1...Kc3
        • 2.Qd1
          • 2...Kc4
            • 3.Qd3#
        • 2.Qe2
          • 2...Kd4
            • 3.Qd3#
      • 1...Ke3!
    • 1.Qc8?
      • threat
        • 2.Qc5#
      • 1...Kd5
        • 2.Qa6
          • 2...Kd4
            • 3.Qd3#
      • 1...Ke3!
    • 1.Qe8?
      • threat
        • 2.Qe4+
          • 2...Kc3
            • 3.Qd3#
        • 2.Qe5+
          • 2...Kc4
            • 3.Sb6#
            • 3.Qc5#
      • 1...Kc3
        • 2.Qe2
          • 2...Kd4
            • 3.Qd3#
      • 1...Kc4
        • 2.Qe4+
          • 2...Kc3
            • 3.Qd3#
          • 2...Kb5
            • 3.Qa4#
      • 1...Kd5!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qe5+
          • 2...Kc4
            • 3.Sb6#
            • 3.Qc5#
      • 1...Kc3
        • 2.Qb4+
          • 2...Kc2
            • 3.Qb2#
      • 1...Ke3
        • 2.Qb2
          • 2...Kf4
            • 3.Qe5#
      • 1...Kc4
        • 2.Qb3+
          • 2...Kd4
            • 3.Qd3#
      • 1...Kd5
        • 2.Qb6
          • 2...Kc4
            • 3.Qc5#


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).