MESON Chess Problem Database

Problem Display
PID: 17904 (5rR1/5n2/4r2k/4B1Np/8/8/4Q3/4K3 w - - 0 1)

Mikan, Ilja

2nd Place, Straz lidu, 1951

5rR1/5n2/4r2k/4B1Np/8/8/4Q3/4K3

#2

5 + 5

5505 Dobrodruzstvi 64 poli 1973

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf7+?
      • 1...Kh7
        • 2.Rg7#
      • 1...Rxf7!
  • Keys
    • 1.Qe4!
      • threat
        • 2.Qh7#
      • 1...Rxe5
        • 2.Rg6#
      • 1...Rxg8
        • 2.Sxf7#
      • 1...Sxg5
        • 2.Bg7#
      • 1...Rg6
        • 2.Rxg6#
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK,XS(d)
      • Vars
        • K(c);P-FLIGHT::R1(E)
      • Refutation
        • R(e);XS(D)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • R(b);N_GUARD,P_PINQ(B),XB(C)::R1(E)
      • R(e);N_GUARD,XR(E)::S(D),XS(d)
      • S(d);SBLOCK,XS(D)::B(C)
HTML5 logo

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).