Problem Display
PID: 266760 (8/8/5R2/8/7P/1PpNkp1p/2Q1p2K/8 w - - 0 1)

Chernikh, Vassily

Zadachi i Etyudi, 2011

8/8/5R2/8/7P/1PpNkp1p/2Q1p2K/8

#3

6 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Se1?
      • 1...Kf2
        • 2.Rxf3+
          • 2...Kxe1
            • 3.Qc1#
        • 2.Qc1
          • threat
            • 3.Sd3#
            • 3.Rxf3#
          • 2...Kf1
            • 3.Rxf3#
        • 2.Qxc3
          • 2...Kf1
            • 3.Rxf3#
      • 1...Kd4!
    • 1.Qc1+?
      • 1...Kd4
        • 2.Rd6+
          • 2...Ke4
            • 3.Qf4#
      • 1...Ke4
        • 2.Rd6
          • threat
            • 3.Qf4#
          • 2...Kf5
            • 3.Qf4#
      • 1...Kxd3!
    • 1.Qxc3?
      • threat
        • 2.Re6#
      • 1...f2
        • 2.Sxf2#
        • 2.Sc5#
      • 1...Ke4!
  • Keys
    • 1.Sf4!
      • 1...Kf2
        • 2.Qxe2+
          • 2...fxe2
            • 3.Sg2#
      • 1...Kd4
        • 2.Qd3+
          • 2...Kc5
            • 3.Qc4#
          • 2...Ke5
            • 3.Rf5#
      • 1...e1Q
        • 2.Qd3+
          • 2...Kf2
            • 3.Sxh3#
      • 1...e1S
        • 2.Re6+
          • 2...Kd4
            • 3.Qf2#
          • 2...Kxf4
            • 3.Qe4#
      • 1...e1B
        • 2.Qd3+
          • 2...Kf2
            • 3.Sxh3#
      • 1...e1R
        • 2.Qd3+
          • 2...Kf2
            • 3.Sxh3#

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).