Problem Display
PID: 262714 (8/8/4B2B/1Kp2Pq1/1Pp2pp1/3r1Rpn/1R1P4/1QNk3r w - - 0 1)

Fomichev, Evgeny Vasilevich

1st Prize, 09. World Cup, 2021

8/8/4B2B/1Kp2Pq1/1Pp2pp1/3r1Rpn/1R1P4/1QNk3r

#4

10 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Bd5!
      • threat
        • 2.Sa2+
          • 2...Ke2
            • 3.Sc3+
              • 3...Rxc3
                • 4.dxc3#
      • 1...Ke1
        • 2.Sa2+
          • 2...Ke2
            • 3.Sc3+
              • 3...Rxc3
                • 4.dxc3#
      • 1...Qxf5
        • 2.Sxd3+
          • 2...Ke2
            • 3.Re3+
              • 3...fxe3
                • 4.dxe3#
      • 1...Rxd5
        • 2.Sb3+
          • 2...Ke2
            • 3.Qe4+
              • 3...Kd1
                • 4.Rb1#
      • 1...gxf3
        • 2.Bxf3+
          • 2...Rxf3
            • 3.d3
              • threat
                • 4.Sa2#
                • 4.Se2#
                • 4.Sb3#
              • 3...Ke1
                • 4.Sa2#
                • 4.Sb3#
      • 1...cxb4
        • 2.Sb3+
          • 2...Ke2
            • 3.Sd4+
              • 3...Rxd4
                • 4.d3#
      • 1...Qf6
        • 2.Sxd3+
          • 2...Ke2
            • 3.Sxf4+
              • 3...Sxf4
                • 4.d4#
      • 1...Qg7
        • 2.Sxd3+
          • 2...Ke2
            • 3.Sxf4+
              • 3...Sxf4
                • 4.d4#

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).