Problem Display
PID: 262859 (1N6/3pp3/4P3/1PP1PpK1/2Ppkrp1/R2Nbrp1/4R1B1/7Q w - - 0 1)

Fomichev, Evgeny Vasilevich

1st Prize, 09. World Cup, 2021

1N6/3pp3/4P3/1PP1PpK1/2Ppkrp1/R2Nbrp1/4R1B1/7Q

#3

12 + 10


SOLUTION


  • SOUND
  • Tries
    • 1.Sa6?
      • 1...d5
        • 2.Qh8
          • 2...dxc4
            • 3.Qa8#
      • 1...d6
        • 2.c6
          • 2...dxe5
            • 3.Sdc5#
            • 3.Sac5#
          • 2...d5
            • 3.Sac5#
      • 1...dxe6!
    • 1.Rxe3+?
      • 1...Kxe3
        • 2.Qe1#
      • 1...dxe3!
    • 1.Qb1?
      • 1...dxe6
        • 2.Sf2+
          • 2...Kxe5
            • 3.Sc6#
            • 3.Sd7#
      • 1...d6
        • 2.Sc6
          • threat
            • 3.Sf2#
        • 2.Sd7
          • threat
            • 3.Sf2#
      • 1...d5!
    • 1.Qe1?
      • threat
        • 2.Qxg3
          • threat
            • 3.Qxf4#
      • 1...d5
        • 2.Qa5
          • 2...dxc4
            • 3.Qa8#
      • 1...d6
        • 2.Qxg3
          • threat
            • 3.Qxf4#
          • 2...dxe5
            • 3.Sf2#
      • 1...dxe6!
    • 1.Qh8?
      • 1...d5
        • 2.Sa6
          • 2...dxc4
            • 3.Qa8#
        • 2.Sd7
          • 2...dxc4
            • 3.Qa8#
        • 2.Qc8
          • 2...dxc4
            • 3.Qb7#
            • 3.Qc6#
        • 2.Qe8
          • 2...dxc4
            • 3.Qc6#
      • 1...d6
        • 2.Qd8
          • 2...dxc5
            • 3.Qd5#
          • 2...dxe5
            • 3.Qd5#
          • 2...d5
            • 3.Qxd5#
        • 2.c6
          • 2...dxe5
            • 3.Sc5#
            • 3.Qxe5#
          • 2...d5
            • 3.Sc5#
      • 1...dxe6!
  • Keys
    • 1.Sc6!
      • 1...dxc6
        • 2.Qh8
          • 2...cxb5
            • 3.Qa8#
      • 1...dxe6
        • 2.Qh2
          • 2...gxh2
            • 3.Sf2#
      • 1...d5
        • 2.Qa1
          • 2...dxc4
            • 3.Qxd4#
      • 1...d6
        • 2.Qb1
          • threat
            • 3.Sf2#

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).