MESON Chess Problem Database

Problem Display
PID: 142862 (6q1/3RR2n/5PB1/4PPPN/Q2Nk2K/8/b1PP3B/8 w - - 0 1)

Hjelle, David

2nd Prize, Problemisten 03. TT (B), 1945-1946

6q1/3RR2n/5PB1/4PPPN/Q2Nk2K/8/b1PP3B/8

#2

14 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.fxe6#
    • 1...Sxf6
      • 2.Sxf6#
  • Keys
    • 1.Kg4!
      • threat
        • 2.Sg3#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Qb3
        • 2.Sxb3#
      • 1...Qe6
        • 2.fxe6#
      • 1...Be6
        • 2.Sxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(d);OGATE::B(L)+P(H),XQ(d)
    • S(c);XP(K)::S(J),XS(c)
  • Actual
    • K(F);P-FLIGHT
    • Threat
      • S(J)
    • Vars
      • S(c);CHECK,XP(K)::S(J),XS(c)
      • Q(d);N_GUARD::QAR(D)+S(E),XQ(d)
      • Q(d);OGATE,P_PINP(H)::B(L)+P(H),XQ(d)
      • B(a);N_GUARD,P_PINP(H)::QAR(D)+S(E),XB(a)
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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).