Problem Display
PID: 200728 (1RN1K3/B2pppb1/k1p3r1/8/BP6/8/7p/6qn w - - 0 1)

Fomichev, Evgeny Vasilevich

Sigurov, Aleksandr Ilich

Zadachi i Etyudi, 2017

1RN1K3/B2pppb1/k1p3r1/8/BP6/8/7p/6qn

#4

6 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Bc2!
      • threat
        • 2.Bd3#
      • 1...Rg3
        • 2.Be3
          • threat
            • 3.Bd3#
            • 3.Rb6#
          • 2...Qxe3
            • 3.Bd3+
              • 3...Qxd3
                • 4.Rb6#
      • 1...Rg5
        • 2.Bc5
          • threat
            • 3.Bd3#
            • 3.Rb6#
          • 2...Qxc5
            • 3.Bd3+
              • 3...Qc4
                • 4.Rb6#
              • 3...Qb5
                • 4.Rb6#
      • 1...Rd6
        • 2.Bd4
          • threat
            • 3.Bd3#
            • 3.Rb6#
          • 2...Qxd4
            • 3.Bd3+
              • 3...Qxd3
                • 4.Rb6#
              • 3...Qc4
                • 4.Bxc4#
                • 4.Rb6#
          • 2...c5
            • 3.Bd3+
              • 3...c4
                • 4.Bxc4#

FEATURES


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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).