Problem Display
PID: 172991 (8/4Q3/6R1/8/8/2b2K2/2r2P2/5k2 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2004

8/4Q3/6R1/8/8/2b2K2/2r2P2/5k2

#3

4 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Rc1
      • 2.Qe2#
    • 1...Rd2
      • 2.Qe1+
        • 2...Kxe1
          • 3.Rg1#
    • 1...Re2
      • 2.Qxe2#
    • 1...Bd2
      • 2.Qe2#
  • Tries
    • 1.Rh6?
      • threat
        • 2.Rh1#
      • 1...Kg1
        • 2.Qh4
          • threat
            • 3.Qh1#
          • 2...Rxf2+
            • 3.Qxf2#
          • 2...Kf1
            • 3.Qh1#
        • 2.Qg5+
          • 2...Kf1
            • 3.Rh1#
      • 1...Rxf2+!
    • 1.Qh4?
      • threat
        • 2.Qh1#
      • 1...Rxf2+
        • 2.Qxf2#
      • 1...Ke1!
    • 1.Qe4?
      • threat
        • 2.Qd3+
          • 2...Ke1
            • 3.Rg1#
          • 2...Re2
            • 3.Qxe2#
      • 1...Rd2
        • 2.Qe1+
          • 2...Kxe1
            • 3.Rg1#
      • 1...Ra2
        • 2.Qd3+
          • 2...Ke1
            • 3.Rg1#
          • 2...Re2
            • 3.Qxe2#
      • 1...Rb2
        • 2.Qd3+
          • 2...Ke1
            • 3.Rg1#
          • 2...Re2
            • 3.Qxe2#
      • 1...Be1
        • 2.Qd3+
          • 2...Re2
            • 3.Qxe2#
      • 1...Rxf2+!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Qd3+
          • 2...Ke1
            • 3.Rg1#
          • 2...Re2
            • 3.Qxe2#
      • 1...Rd2
        • 2.Rh6
          • threat
            • 3.Rh1#
          • 2...Rxf2+
            • 3.Qxf2#
          • 2...Kg1
            • 3.Qe1#
        • 2.Qe1+
          • 2...Kxe1
            • 3.Rg1#
      • 1...Ra2
        • 2.Qd3+
          • 2...Ke1
            • 3.Rg1#
          • 2...Re2
            • 3.Qxe2#
      • 1...Rb2
        • 2.Qd3+
          • 2...Ke1
            • 3.Rg1#
          • 2...Re2
            • 3.Qxe2#
      • 1...Be1
        • 2.Qd3+
          • 2...Re2
            • 3.Qxe2#

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).