MESON Chess Problem Database

Problem Display
PID: 150294 (8/7R/3kn2Q/1p1P1bp1/1R3pp1/K2N2B1/5P1p/6bB w - - 0 1)

Buchner, Richard

Comm., Nepszava, 1935

8/7R/3kn2Q/1p1P1bp1/1R3pp1/K2N2B1/5P1p/6bB

#2

9 + 9

14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Qxe6#
  • Keys
    • 1.Rxf4!
      • threat
        • 2.Ra4#
        • 2.Rb4#
        • 2.Rc4#
        • 2.Rd4#
        • 2.Rxg4#
        • 2.Rxf5#
      • 1...b4+
        • 2.Rxb4#
      • 1...Bxf2
        • 2.Rxf2#
      • 1...Bxd3
        • 2.Rc4#
      • 1...Bxh7
        • 2.Rf7#
      • 1...gxf4
        • 2.Bxf4#
      • 1...Be4
        • 2.Rf5#
        • 2.Qxe6#
      • 1...Bg6
        • 2.Rf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(f);N_GUARD::QAR1(H),XS(i)
  • Actual
    • R(F);XP(c)
    • Threat
      • DUALS(6)
    • Vars
      • P(e);CHECK::B(E)+R(F),XP(e)
      • B(a);OGATE,XP(B)::B(E)+R(F),XB(a)
      • B(f);XS(D)::B(E)+R(F)
      • B(f);OGATE,XR(I)::B(E)+R(F)
      • P(g);OGATE,P_SPINP(g),XR(F)::B(E),XP(g)
      • B(f);N_SPINS(i),OGATE::B(E)+R(F)
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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).