Problem Display
PID: 172802 (8/8/8/2pQ4/2P1P3/k1p5/8/1K6 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2000

8/8/8/2pQ4/2P1P3/k1p5/8/1K6

#3

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qb7?
      • 1...Ka4
        • 2.Ka2
          • threat
            • 3.Qb5#
          • 2...Ka5
            • 3.Qb5#
        • 2.Kc2
          • 2...Ka3
            • 3.Qb3#
          • 2...Ka5
            • 3.Qb5#
      • 1...c2+!
    • 1.Qa8+?
      • 1...Kb4
        • 2.Kc2
          • 2...Kxc4
            • 3.Qa4#
      • 1...Kb3!
    • 1.Qxc5+?
      • 1...Ka4
        • 2.Ka2
          • 2...c2
            • 3.Qa3#
            • 3.Qb5#
      • 1...Kb3!
  • Keys
    • 1.Kc2!
      • 1...Ka4
        • 2.Qb7
          • 2...Ka3
            • 3.Qb3#
          • 2...Ka5
            • 3.Qb5#
      • 1...Kb4
        • 2.Qa8
          • 2...Kxc4
            • 3.Qa4#

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).