Problem Display
PID: 168714 (5B1Q/8/2pNp1P1/3k4/2pNp2K/8/5P2/8 w - - 0 1)

Agapov, Igor Alexeyevich

1st Prize, SuperProblem 155. TT, 2015

5B1Q/8/2pNp1P1/3k4/2pNp2K/8/5P2/8

#4

7 + 5


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Keys
    • 1.Be7!
      • threat
        • 2.Sf7
          • threat
            • 3.Qe5#
            • 3.Qd8#
          • 2...c3
            • 3.Qd8+
              • 3...Kc4
                • 4.Se5#
        • 2.Sc8
          • threat
            • 3.Sb6#
          • 2...e3
            • 3.f3
              • threat
                • 4.Sb6#
              • 3...e5
                • 4.Qd8#
      • 1...e5
        • 2.S6b5
          • threat
            • 3.Qd8#
            • 3.Qg8#
          • 2...e3
            • 3.f3
              • threat
                • 4.Qd8#
                • 4.Qg8#
              • 3...exd4
                • 4.Sc7#
              • 3...e4
                • 4.Sc3#
                • 4.Sc7#
                • 4.Qh5#
      • 1...c3
        • 2.Sb3
          • threat
            • 3.Qd4#
          • 2...c5
            • 3.Qa8+
              • 3...Ke5
                • 4.Qxe4#
      • 1...e3
        • 2.f4
          • threat
            • 3.Qe5#
          • 2...Kc5
            • 3.Sc8+
              • 3...Kd5
                • 4.Qe5#
      • 1...c5
        • 2.Qh5+
          • 2...Kxd4
            • 3.Sb5+
              • 3...Kd3
                • 4.Qd1#
          • 2...e5
            • 3.Qe2
              • threat
                • 4.Qxc4#
                • 4.Qxe4#
              • 3...Kxd4
                • 4.Qxc4#
                • 4.Qd2#

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).