Problem Display
PID: 134286 (8/3p4/r3p2R/1PPkp2p/1Bp1p3/2PbPP1B/4P3/6QK w - - 0 1)

Fomichev, Evgeny Vasilevich

The Problemist, 2009

8/3p4/r3p2R/1PPkp2p/1Bp1p3/2PbPP1B/4P3/6QK

#4

11 + 9


SOLUTION


  • SOUND
  • Keys
    • 1.Bf5!
      • threat
        • 2.Bxe4+
          • 2...Bxe4
            • 3.Qd1+
              • 3...Bd3
                • 4.e4#
      • 1...exf3
        • 2.e4+
          • 2...Bxe4
            • 3.Qd1+
              • 3...Bd3
                • 4.e4#
      • 1...exf5
        • 2.Qg8+
          • 2...Re6
            • 3.Qa8+
              • 3...Rc6
                • 4.Rd6#
      • 1...Ra2
        • 2.Qd1
          • threat
            • 3.Bxe4#
            • 3.fxe4#
          • 2...Rd2
            • 3.Qxd2
              • threat
                • 4.Bxe4#
                • 4.fxe4#
              • 3...exf3
                • 4.e4#
              • 3...exf5
                • 4.Rd6#

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).