Problem Display
PID: 27916 (5Q2/8/5B2/4N3/K2p1p2/4k3/7R/8 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

5Q2/8/5B2/4N3/K2p1p2/4k3/7R/8

#2

5 + 3


SOLUTION


  • SOUND
  • Tries
    • 1.Qa3+?
      • 1...d3
        • 2.Qxd3#
      • 1...Ke4!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Qf3#
      • 1...d3
        • 2.Sc4#
        • 2.Sg4#
      • 1...f3
        • 2.Bg5#
        • 2.Qxf3#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • P(b);P_SPINP(b)::QAR1(E),XP(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)


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).