MESON Chess Problem Database

Problem Display
PID: 195201 (5rbQ/2q1np2/2pb2p1/2PpP1Np/1B1k3r/N6p/1n1PP3/7K w - - 0 1)

Janet, Frank

Brisbane Courier, 1918

5rbQ/2q1np2/2pb2p1/2PpP1Np/1B1k3r/N6p/1n1PP3/7K

#2

9 + 14

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Sf3#
    • 1...Bxc5
      • 2.Bc3#
    • 1...Sd3
      • 2.e3#
    • 1...Sc4
      • 2.Sc2#
  • Keys
    • 1.Qf6!
      • threat
        • 2.exd6#
      • 1...Bxc5
        • 2.Bc3#
      • 1...Bxe5
        • 2.Qf2#
      • 1...Re4
        • 2.Sf3#
      • 1...Rf4
        • 2.Qxf4#
      • 1...Sd3
        • 2.e3#
      • 1...Sc4
        • 2.Sc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK::S(H)
    • B(h);SBLOCK,XP(F)::B(E)
    • S(a);SBLOCK::P(C)
    • S(a);SBLOCK::S(D)
  • Actual
    • Q(I);
    • Threat
      • QAB(I)+P(G),XB(h)
    • Vars
      • B(h);SBLOCK,XP(F)::B(E)
      • B(h);P_SPINB(h),SBLOCK,XP(G)::QAB(I)
      • R(d);SBLOCK::S(H)
      • R(d);N_GUARD::QAR2(I),XR(d)
      • S(a);SBLOCK::P(C)
      • S(a);SBLOCK::S(D)
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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).