MESON Chess Problem Database

Problem Display
PID: 239955 (7Q/8/8/7n/8/5K2/Rn3R1P/6Nk w - - 0 1)

Hermanson, Halvar

Sinfonie Scacchistiche, 1973

7Q/8/8/7n/8/5K2/Rn3R1P/6Nk

#2

6 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Rf1!
      • 1...Kxh2
        • 2.Qxh5#
      • 1...Sd3
        • 2.Sh3#
      • 1...Sd1
        • 2.Sh3#
      • 1...Sa4
        • 2.Sh3#
      • 1...Sc4
        • 2.Sh3#
      • 1...Sg3
        • 2.hxg3#
      • 1...Sf4
        • 2.Se2#
      • 1...Sf6
        • 2.Se2#
      • 1...Sg7
        • 2.Se2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(C);
    • Vars
      • K(a);OGATEB,P-FLIGHT,P_SPINS(b),XP(D)::QAR(F),XS(c)
      • S(b);::R(C)+S(A)
      • S(c);OGATE::QAR(F)+P(D),XS(c)
      • S(c);::R(C)+S(A)
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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).