Problem Display
PID: 181578 (kN6/1r2p3/1pN5/3Q4/8/1K6/5n1p/8 w - - 0 1)

Prikryl, Bohuzlav

Nedele, 1905

kN6/1r2p3/1pN5/3Q4/8/1K6/5n1p/8

#3

4 + 6


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Ra7
      • 2.Sa5+
        • 2...Kxb8
          • 3.Qd8#
        • 2...Rb7
          • 3.Qxb7#
    • 1...Rd7
      • 2.Qxd7
        • threat
          • 3.Qa7#
    • 1...Sh1
      • 2.Sd8
        • threat
          • 3.Qxb7#
        • 2...Ka7
          • 3.Qxb7#
        • 2...Kxb8
          • 3.Qxb7#
    • 1...h1S
      • 2.Sd8
        • threat
          • 3.Qxb7#
        • 2...Ka7
          • 3.Qxb7#
        • 2...Kxb8
          • 3.Qxb7#
  • Tries
    • 1.Qa5+?
      • 1...Ra7
        • 2.Qxa7#
      • 1...bxa5+!
    • 1.Qb5?
      • threat
        • 2.Qa4+
          • 2...Ra7
            • 3.Qxa7#
        • 2.Qa6+
          • 2...Ra7
            • 3.Qxa7#
      • 1...Rc7
        • 2.Qa4+
          • 2...Kb7
            • 3.Qa6#
          • 2...Ra7
            • 3.Qxa7#
        • 2.Qa6+
          • 2...Ra7
            • 3.Qxa7#
      • 1...Rd7
        • 2.Qa6+
          • 2...Ra7
            • 3.Qxa7#
      • 1...Ra7!
    • 1.Qd8?
      • threat
        • 2.Sa6+
          • 2...Rb8
            • 3.Qxb8#
        • 2.Sd7+
          • 2...Rb8
            • 3.Qxb8#
      • 1...Rc7
        • 2.Qxc7
          • threat
            • 3.Qa7#
      • 1...Rd7
        • 2.Qxd7
          • threat
            • 3.Qa7#
      • 1...Ra7!
  • Keys
    • 1.Kc2!
      • threat
        • 2.Qa2+
          • 2...Ra7
            • 3.Qxa7#
      • 1...Rxb8
        • 2.Sd8+
          • 2...Ka7
            • 3.Qa2#
          • 2...Rb7
            • 3.Qxb7#
      • 1...Ra7
        • 2.Sa5+
          • 2...Kxb8
            • 3.Qd8#
          • 2...Rb7
            • 3.Qxb7#
      • 1...Rc7
        • 2.Qa2+
          • 2...Kb7
            • 3.Qa6#
          • 2...Ra7
            • 3.Qxa7#
      • 1...Rd7
        • 2.Qxd7
          • threat
            • 3.Qa7#

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).