MESON Chess Problem Database

Problem Display
PID: 225477 (4k3/2PnrnP1/4N3/4R3/8/8/3K1N2/8 w - - 0 1)

Gajan, Jozef

Praca, 1947

4k3/2PnrnP1/4N3/4R3/8/8/3K1N2/8

#2

6 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe6
      • 2.Rxe6#
  • Keys
    • 1.Se4!
      • 1...Rxe6
        • 2.Rxe6#
      • 1...Sdxe5
        • 2.Sf6#
      • 1...Sfxe5
        • 2.Sd6#
      • 1...Sc5
        • 2.Sf6#
      • 1...Sb6
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Sb8
        • 2.Sf6#
      • 1...Sf8
        • 2.Sf6#
      • 1...Sg5
        • 2.Sd6#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sh6
        • 2.Sd6#
      • 1...Sd8
        • 2.Sd6#
      • 1...Sh8
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE,P_SPINR(b),XS(D)::R(C),XR(b)
  • Actual
    • S(B);
    • Vars
      • R(b);OGATE,P_SPINR(b),XS(D)::R(C),XR(b)
      • S(a);N_GUARD,XR(C)::S(B)
      • S(c);N_GUARD,XR(C)::S(B)
      • S(a);N_GUARD::S(B)
      • S(a);N_GUARD::S(B),XS(a)
      • S(c);N_GUARD::S(B)
      • S(c);N_GUARD::S(B),XS(c)
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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).