Problem Display
PID: 192815 (8/3p4/1Q2pr2/6n1/6P1/2k2p2/3N4/b3BK2 w - - 0 1)

Varitsky, Aleksandr Nikolaevich

4th HM., Metlitsky-60 JT, 2003

8/3p4/1Q2pr2/6n1/6P1/2k2p2/3N4/b3BK2

#4

5 + 7


SOLUTION


  • SOUND
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qc4+
          • 2...Kb2
            • 3.Qb3+
              • 3...Kc1
                • 4.Qb1#
      • 1...Kd4
        • 2.Bf2+
          • 2...Kc3
            • 3.Qb3+
              • 3...Kxd2
                • 4.Be3#
      • 1...Rf4
        • 2.Sb1+
          • 2...Kc2
            • 3.Sa3+
              • 3...Kc1
                • 4.Qb1#
              • 3...Kd1
                • 4.Qb1#
          • 2...Kd4
            • 3.Bf2+
              • 3...Ke4
                • 4.Sd2#
      • 1...d5
        • 2.Qb3+
          • 2...Kd4
            • 3.Bf2+
              • 3...Ke5
                • 4.Qb8#

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).