Problem Display
PID: 260117 (8/8/2R1p1K1/4p3/5k2/4pp2/8/2Q5 w - - 0 1)

Abdullayev, Elmar

SuperProblem, 2019

8/8/2R1p1K1/4p3/5k2/4pp2/8/2Q5

#4

3 + 5


6490 yacpdb 2022

SOLUTION


  • SOUND
  • Keys
    • 1.Rc2!
      • 1...Kg3
        • 2.Qg1+
          • 2...Kf4
            • 3.Rc4+
              • 3...e4
                • 4.Qg5#
      • 1...Ke4
        • 2.Rc4+
          • 2...Kd5
            • 3.Rc6
              • threat
                • 4.Qc4#
              • 3...Kd4
                • 4.Qc4#
              • 3...Ke4
                • 4.Qc4#
              • 3...e4
                • 4.Qc5#
      • 1...Kg4
        • 2.Qg1+
          • 2...Kf4
            • 3.Rc4+
              • 3...e4
                • 4.Qg5#
      • 1...f2
        • 2.Rxf2+
          • 2...Kg3
            • 3.Qg1+
              • 3...Kh3
                • 4.Rh2#
              • 3...Kh4
                • 4.Rh2#
          • 2...Kg4
            • 3.Qg1+
              • 3...Kh3
                • 4.Rh2#
              • 3...Kh4
                • 4.Rh2#
      • 1...e4
        • 2.Rf2
          • 2...Kg3
            • 3.Qg1+
              • 3...Kh3
                • 4.Rh2#
              • 3...Kf4
                • 4.Qg5#
              • 3...Kh4
                • 4.Rh2#
          • 2...Kg4
            • 3.Qg1+
              • 3...Kh3
                • 4.Rh2#
              • 3...Kf4
                • 4.Qg5#
              • 3...Kh4
                • 4.Rh2#
          • 2...Ke5
            • 3.Qc5+
              • 3...Kf4
                • 4.Qg5#
          • 2...e5
            • 3.Qg1
              • threat
                • 4.Qg5#

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).