Problem Display
PID: 27651 (2b5/8/P6K/4Q3/4pp2/3NkpP1/8/4B3 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

2b5/8/P6K/4Q3/4pp2/3NkpP1/8/4B3

#2

6 + 5


SOLUTION


  • SOUND
  • Tries
    • 1.Sc1?
      • threat
        • 2.Qc3#
        • 2.Qc5#
      • 1...Bxa6
        • 2.Qc5#
      • 1...f2
        • 2.Qc3#
      • 1...fxg3!
  • Keys
    • 1.Sxf4!
      • threat
        • 2.Qc3#
        • 2.Qc5#
      • 1...Bxa6
        • 2.Qc5#
      • 1...f2
        • 2.Qc3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(e);XP(E)::QAB(D)
        • P(b);::QAR2(D)
      • Refutation
        • P(d);XP(C)
  • Actual
    • S(B);XP(d)
    • Threat
      • DUALS(2)
    • Vars
      • B(e);XP(E)::QAB(D)
      • P(b);::QAR2(D)


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).