Problem Display
PID: 27228 (8/4Q3/B3N3/2K5/3P4/2R5/N2knp2/4b3 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

8/4Q3/B3N3/2K5/3P4/2R5/N2knp2/4b3

#2

7 + 4


SOLUTION


  • SOUND
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qc2#
        • 2.Qd3#
      • 1...Kd1
        • 2.Qc2#
      • 1...Sxc3
        • 2.Qd3#
      • 1...Sxd4
        • 2.Qd3#
      • 1...Sc1
        • 2.Qc2#
      • 1...Sf4
        • 2.Qc2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(G);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);P-FLIGHT::QAB1(G)
      • S(c);XR(B)::QAR1(G)
      • S(c);XP(C)::QAR1(G)
      • S(c);::QAR1(G)


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).