Problem Display
PID: 172579 (2k2b2/2p5/2K5/8/8/8/8/2Q5 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

2k2b2/2p5/2K5/8/8/8/8/2Q5

#3

2 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Tries
    • 1.Qa3?
      • threat
        • 2.Qxf8#
        • 2.Qa8#
      • 1...Kb8
        • 2.Qa6
          • threat
            • 3.Qb7#
      • 1...Bxa3!
    • 1.Qe3?
      • threat
        • 2.Qe8#
      • 1...Kd8
        • 2.Qe6
          • threat
            • 3.Qd7#
      • 1...Be7
        • 2.Qa7
          • threat
            • 3.Qxc7#
            • 3.Qa8#
          • 2...Kd8
            • 3.Qb8#
            • 3.Qa8#
      • 1...Kb8!
    • 1.Qf4?
      • threat
        • 2.Qxc7#
        • 2.Qxf8#
      • 1...Kb8
        • 2.Qxc7+
          • 2...Ka8
            • 3.Qb7#
      • 1...Bd6!
    • 1.Qa1?
      • threat
        • 2.Qa8#
      • 1...Kb8
        • 2.Qa6
          • threat
            • 3.Qb7#
      • 1...Ba3
        • 2.Qh8+
          • 2...Bf8
            • 3.Qxf8#
      • 1...Kd8!
  • Keys
    • 1.Qc4!
      • 1...Kb8
        • 2.Qa6
          • threat
            • 3.Qb7#
      • 1...Kd8
        • 2.Qe6
          • threat
            • 3.Qd7#
      • 1...Ba3
        • 2.Qg8+
          • 2...Bf8
            • 3.Qxf8#
      • 1...Bb4
        • 2.Qg8+
          • 2...Bf8
            • 3.Qxf8#
        • 2.Qxb4
          • 2...Kd8
            • 3.Qf8#
      • 1...Bc5
        • 2.Qg8+
          • 2...Bf8
            • 3.Qxf8#
      • 1...Bd6
        • 2.Qg8+
          • 2...Bf8
            • 3.Qxf8#
      • 1...Bh6
        • 2.Qg8+
          • 2...Bf8
            • 3.Qxf8#
      • 1...Be7
        • 2.Qa6+
          • 2...Kb8
            • 3.Qb7#
          • 2...Kd8
            • 3.Qa8#
      • 1...Bg7
        • 2.Qg8+
          • 2...Bf8
            • 3.Qxf8#

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).