Problem Display
PID: 172964 (8/8/8/5p2/1Q6/3k1p2/1K3B2/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2003

8/8/8/5p2/1Q6/3k1p2/1K3B2/8

#3

3 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qc3+?
      • 1...Ke4
        • 2.Qd4#
      • 1...Ke2!
    • 1.Qc5?
      • threat
        • 2.Qc2#
      • 1...Kd2
        • 2.Qc2#
      • 1...Ke4
        • 2.Qd4#
      • 1...Ke2!
    • 1.Qd6+?
      • 1...Kc4
        • 2.Qc5+
          • 2...Kd3
            • 3.Qc2#
        • 2.Qc6+
          • 2...Kd3
            • 3.Qc2#
          • 2...Kb4
            • 3.Be1#
      • 1...Ke2!
    • 1.Qe7?
      • threat
        • 2.Qe3+
          • 2...Kc4
            • 3.Qb3#
      • 1...Kd2
        • 2.Qe3+
          • 2...Kd1
            • 3.Qe1#
            • 3.Qd3#
      • 1...Kc4
        • 2.Qc5+
          • 2...Kd3
            • 3.Qc2#
      • 1...f4!
    • 1.Qa4?
      • threat
        • 2.Qc2#
      • 1...Kd2
        • 2.Qc2#
      • 1...Ke2!
    • 1.Qc4+?
      • 1...Kd2
        • 2.Qc2#
      • 1...Kxc4!
    • 1.Qb5+?
      • 1...Kd2
        • 2.Qc4
          • threat
            • 3.Qc2#
          • 2...Kd1
            • 3.Qd3#
            • 3.Qc2#
      • 1...Ke4!
  • Keys
    • 1.Kb3!
      • threat
        • 2.Qc4+
          • 2...Kd2
            • 3.Qc2#
      • 1...Ke2
        • 2.Qe1+
          • 2...Kd3
            • 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).