Problem Display
PID: 27781 (8/8/8/2npp3/3k4/K2P1B2/5N2/4Q3 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

8/8/8/2npp3/3k4/K2P1B2/5N2/4Q3

#2

5 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Sd1!
      • threat
        • 2.Qc3#
        • 2.Qe3#
      • 1...Kxd3
        • 2.Qc3#
      • 1...Sxd3
        • 2.Qc3#
      • 1...Sa4
        • 2.Qe3#
      • 1...Se4
        • 2.Qe3#
      • 1...e4
        • 2.Qc3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(a);P-FLIGHT,XP(D)::QAR1(A)
      • S(b);XP(D)::QAB1(A)
      • S(b);::QAB1(A)
      • P(d);::QAB1(A)


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).