Problem Display
PID: 70993 (rNr4b/1P6/1k1p1B2/3Q1K2/8/8/8/8 w - - 0 1)

Arguelles Ferrer, Antonio Fernandez

Problem, 1957

rNr4b/1P6/1k1p1B2/3Q1K2/8/8/8/8

#2

5 + 5


  • SOUND
  • Tries
    • 1.Qb5+?
      • 1...Ka7
        • 2.bxc8S#
      • 1...Kc7
        • 2.bxa8S#
      • 1...Kxb5!
    • 1.bxa8Q?
      • threat
        • 2.Qab7#
        • 2.Qda5#
        • 2.Qaa5#
      • 1...Kc7
        • 2.Qdc6#
        • 2.Qdb7#
        • 2.Qab7#
        • 2.Qda5#
        • 2.Qa7#
      • 1...Rxb8
        • 2.Qdc6#
        • 2.Qda5#
        • 2.Qaa5#
      • 1...Rc6
        • 2.Qdxc6#
        • 2.Qda5#
      • 1...Rc7
        • 2.Qda5#
        • 2.Qaa5#
        • 2.Qa6#
      • 1...Rc5!
    • 1.bxc8Q?
      • threat
        • 2.Qcb7#
      • 1...Ka7
        • 2.Qdb7#
        • 2.Qcb7#
        • 2.Qd4#
        • 2.Qa5#
        • 2.Qc7#
      • 1...Ra7
        • 2.Qcc6#
      • 1...Rxb8!
  • Keys
    • 1.Qb3+!
      • 1...Ka5
        • 2.bxa8Q#
        • 2.bxa8R#
      • 1...Kc5
        • 2.bxc8Q#
        • 2.bxc8R#
      • 1...Ka7
        • 2.bxc8S#
      • 1...Kc7
        • 2.bxa8S#


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).