Problem Display
PID: 25633 (2Q5/3p2B1/1P1p4/1p1Pp3/1p1kP3/pP2pP2/P3P3/3K4 w - - 0 1)

Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)

Source?, 0000

2Q5/3p2B1/1P1p4/1p1Pp3/1p1kP3/pP2pP2/P3P3/3K4

#3

10 + 8


SOLUTION


  • SOUND
  • Tries
    • 1.Qa6?
      • 1...Kc5
        • 2.Qa5
          • 2...Kd4
            • 3.Qxb4#
      • 1...Kc3!
    • 1.Qa8?
      • 1...Kc5
        • 2.Qa5
          • 2...Kd4
            • 3.Qxb4#
      • 1...Kc3!
    • 1.Qe8?
      • 1...Kc3
        • 2.Bxe5+
          • 2...dxe5
            • 3.Qxe5#
        • 2.Qxe5+
          • 2...dxe5
            • 3.Bxe5#
      • 1...Kc5!
    • 1.Qf8?
      • threat
        • 2.Qxd6
          • 2...Kc3
            • 3.Bxe5#
            • 3.Qxe5#
      • 1...Kc5
        • 2.Qxd6+
          • 2...Kd4
            • 3.Bxe5#
            • 3.Qxb4#
          • 2...Kxd6
            • 3.Bf8#
      • 1...Kc3!
    • 1.Qh8?
      • 1...Kc3
        • 2.Bxe5+
          • 2...dxe5
            • 3.Qxe5#
      • 1...Kc5!
  • Keys
    • 1.Qb8!
      • threat
        • 2.Qxd6
          • 2...Kc3
            • 3.Bxe5#
            • 3.Qxe5#
      • 1...Kc3
        • 2.Bxe5+
          • 2...dxe5
            • 3.Qxe5#
      • 1...Kc5
        • 2.Qxd6+
          • 2...Kd4
            • 3.Bxe5#
            • 3.Qxb4#
          • 2...Kxd6
            • 3.Bf8#

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).