MESON Chess Problem Database

Problem Display
PID: 186084 (2BQ4/3n3b/8/4p3/Rb4P1/3RN1Nk/5P2/6K1 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Chess, 1958

2BQ4/3n3b/8/4p3/Rb4P1/3RN1Nk/5P2/6K1

#2

9 + 5

SOLUTION

  • SOUND
  • Keys
    • 1.Sg2!
      • threat
        • 2.Qh4#
      • 1...Kxg4
        • 2.Qh4#
      • 1...Be7
        • 2.Sf5#
      • 1...Sf6
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • QAR1(I)
    • Vars
      • K(a);P_SPINB(b),P_SPINS(d),S_FLIGHT,XP(G)::QAR1(I)
      • B(b);::R(C)+S(E)
      • S(d);::R(C)+S(E)
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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).