MESON Chess Problem Database

Problem Display
PID: 142949 (1Q6/8/4P1p1/3PRBR1/4Pk2/8/5B2/7K w - - 0 1)

Gronroos, Mikael

Suomen Tehtavaniekat, 1992

1Q6/8/4P1p1/3PRBR1/4Pk2/8/5B2/7K

#2

9 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.Qf8!
      • threat
        • 2.Bh3#
        • 2.Bg4#
        • 2.Bxg6#
      • 1...Kf3
        • 2.Bg4#
      • 1...Kxe5
        • 2.Bxg6#
      • 1...Kxg5
        • 2.Bh3#
      • 1...gxf5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(I);
    • Threat
      • DUALS(3)
    • Vars
      • K(a);P-FLIGHT::QAR(I)+B(F),DCHECK
      • K(a);S_FLIGHT,XR(E)::R(G)+B(F),XP(b)
      • K(a);S_FLIGHT,XR(G)::R(E)+B(F)
      • P(b);OGATE,P_SPINP(b),XB(F)::QAR1(I),XP(b)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).