Problem Display
PID: 195376 (4n3/2p1pN2/2P1p3/3k1bP1/1R1ppP2/K1pN4/8/4Q3 w - - 0 1)

Klir, Antonin

Svetozor, 1919

4n3/2p1pN2/2P1p3/3k1bP1/1R1ppP2/K1pN4/8/4Q3

#3

8 + 9


6490 yacpdb 2019

SOLUTION


  • SOUND
  • Sets
    • 1...exd3
      • 2.Qe5+
        • 2...Kxc6
          • 3.Qb5#
  • Tries
    • 1.Rb5+?
      • 1...Kc4
        • 2.Qb1
          • threat
            • 3.Sde5#
            • 3.Sfe5#
            • 3.Rc5#
          • 2...c2
            • 3.Qb3#
      • 1...Kxc6!
    • 1.Qxc3?
      • threat
        • 2.Rxd4#
        • 2.Rb5#
        • 2.Qc4#
        • 2.Qc5#
      • 1...exd3
        • 2.Rxd4#
      • 1...e3
        • 2.Rxd4#
      • 1...e5
        • 2.Qc4#
      • 1...Sd6
        • 2.Rxd4#
        • 2.Qc5#
      • 1...dxc3!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Rb5+
          • 2...Kc4
            • 3.Sb2#
            • 3.Sde5#
            • 3.Rc5#
          • 2...Kxc6
            • 3.Sde5#
      • 1...Kxc6
        • 2.Sde5+
          • 2...Kc5
            • 3.Rb5#
            • 3.Qc4#
            • 3.Qb5#
          • 2...Kd5
            • 3.Qc4#
      • 1...exd3
        • 2.Qe5+
          • 2...Kxc6
            • 3.Qb5#
      • 1...e3
        • 2.Rb5+
          • 2...Kc4
            • 3.Sb2#
            • 3.Sde5#
            • 3.Rc5#
          • 2...Ke4
            • 3.Re5#
          • 2...Kxc6
            • 3.Sde5#
      • 1...e5
        • 2.Rb5+
          • 2...Kc4
            • 3.Sb2#
            • 3.Sdxe5#
            • 3.Rc5#
          • 2...Kxc6
            • 3.Sdxe5#
          • 2...Ke6
            • 3.Qa2#
      • 1...Sd6
        • 2.Qa2+
          • 2...Kxc6
            • 3.Sfe5#
          • 2...Sc4+
            • 3.Qxc4#
      • 1...c2
        • 2.Rb5+
          • 2...Kc4
            • 3.Rc5#
          • 2...Kxc6
            • 3.Sde5#

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).