Problem Display
PID: 27660 (6Q1/pkp5/1b6/1R6/1NR5/8/4KB2/8 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

6Q1/pkp5/1b6/1R6/1NR5/8/4KB2/8

#2

6 + 4


SOLUTION


  • SOUND
  • Tries
    • 1.Rxb6+?
      • 1...cxb6
        • 2.Qc8#
      • 1...axb6!
  • Keys
    • 1.Bg3!
      • threat
        • 2.Rxc7#
      • 1...c5
        • 2.Qb8#
      • 1...c6
        • 2.Qb8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(E);CHECK,XB(a)
      • Vars
        • P(d);XR(E)::QAB1(F)
      • Refutation
        • P(b);XR(E)
  • Actual
    • B(B);
    • Threat
      • R1(D),XP(d)
    • Vars
      • P(d);::QAR1(F)


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).