Problem Display
PID: 172564 (1Q6/8/8/8/4K3/2k5/p7/N7 w - - 0 1)

Andreev, Aleksandr Grigorevich

200 Shakhmatni Zadachi, 1983

1Q6/8/8/8/4K3/2k5/p7/N7

#3

3 + 2


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qb6
        • 2...Kc3
          • 3.Qd4#
  • Tries
    • 1.Qb2+?
      • 1...Kc4
        • 2.Qb6
          • 2...Kc3
            • 3.Qd4#
      • 1...Kxb2!
    • 1.Qb7?
      • 1...Kc4
        • 2.Qb6
          • 2...Kc3
            • 3.Qd4#
      • 1...Kd2!
    • 1.Qd8?
      • threat
        • 2.Qd4#
      • 1...Kb2
        • 2.Qd1
          • 2...Ka3
            • 3.Qb3#
          • 2...Kc3
            • 3.Qd4#
      • 1...Kc4
        • 2.Qb6
          • 2...Kc3
            • 3.Qd4#
      • 1...Kb4!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qd4#
      • 1...Kb2
        • 2.Qd1
          • 2...Ka3
            • 3.Qb3#
          • 2...Kc3
            • 3.Qd4#
      • 1...Kc4
        • 2.Qb6
          • 2...Kc3
            • 3.Qd4#

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).