Problem Display
PID: 40896 (8/6Q1/4R3/8/5Pp1/p1pN4/p2p2K1/rn1k4 w - - 0 1)

Kainer, Cenek

Casopis ceskoslovenskych sachistu, 1922

8/6Q1/4R3/8/5Pp1/p1pN4/p2p2K1/rn1k4

#3

5 + 8


SOLUTION


  • SOUND
  • Sets
    • 1...c2
      • 2.Qxg4#
  • Tries
    • 1.Kg3?
      • 1...c2
        • 2.Qxg4#
      • 1...Kc2!
    • 1.Sb4?
      • threat
        • 2.Qg6
          • threat
            • 3.Qc2#
          • 2...Kc1
            • 3.Qc2#
          • 2...c2
            • 3.Qxc2#
        • 2.Qh7
          • threat
            • 3.Qc2#
            • 3.Qh1#
          • 2...Kc1
            • 3.Qc2#
      • 1...c2
        • 2.Qxg4+
          • 2...Kc1
            • 3.Sd3#
        • 2.Qg6
          • threat
            • 3.Qxc2#
          • 2...Kc1
            • 3.Qxc2#
          • 2...c1Q
            • 3.Qxg4#
          • 2...c1S
            • 3.Qc2#
          • 2...c1B
            • 3.Qc2#
            • 3.Qxg4#
          • 2...c1R
            • 3.Qxg4#
        • 2.Qh7
          • threat
            • 3.Qxc2#
            • 3.Qh1#
          • 2...Kc1
            • 3.Qxc2#
      • 1...Kc1!
    • 1.Re3?
      • 1...g3
        • 2.Qd7
          • 2...Kc2
            • 3.Qa4#
          • 2...c2
            • 3.Qg4#
      • 1...Kc2!
    • 1.Qxc3?
      • threat
        • 2.Sf2#
        • 2.Qb3#
      • 1...g3
        • 2.Qb3#
      • 1...Sxc3!
    • 1.Qd4?
      • 1...Kc2
        • 2.Qa4+
          • 2...Kxd3
            • 3.Qe4#
      • 1...g3!
    • 1.Qa7?
      • 1...Kc2
        • 2.Qa4+
          • 2...Kxd3
            • 3.Qe4#
      • 1...g3!
  • Keys
    • 1.Qd7!
      • 1...Kc2
        • 2.Qa4+
          • 2...Kxd3
            • 3.Qe4#
      • 1...g3
        • 2.Re3
          • 2...Kc2
            • 3.Qa4#
          • 2...c2
            • 3.Qg4#
      • 1...c2
        • 2.Qh7
          • threat
            • 3.Qh1#
          • 2...c1Q
            • 3.Sf2#
          • 2...c1S
            • 3.Sf2#
          • 2...c1B
            • 3.Sf2#
          • 2...c1R
            • 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).