MESON Chess Problem Database

Problem Display
PID: 270542 (1b6/7b/6pR/6pB/5pPk/5p1p/3rPP1n/4B1NK w - - 0 1)

Subotic, Miroslav

Probleemblad, 2022

1b6/7b/6pR/6pB/5pPk/5p1p/3rPP1n/4B1NK

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Sxf3#
    • 1...Sxg4
      • 2.Sxf3#
    • 1...fxe2
      • 2.f3#
  • Keys
    • 1.exf3!
      • threat
        • 2.Bxg6#
      • 1...Rxf2
        • 2.Bxf2#
      • 1...Sxf3
        • 2.Sxf3#
      • 1...Sxg4
        • 2.Bxg4#
      • 1...gxh5
        • 2.Rxh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(b);N_GUARD::S(B),XP(c)
    • S(b);N_GUARD,XP(F)::S(B),XP(c)
    • P(c);OGATE,XP(D)::B(A)+P(E)
  • Actual
    • P(D);XP(c)
    • Threat
      • R(H)+B(G),XP(h)
    • Vars
      • R(a);OGATE,P_SPINR(a),XP(E)::B(A),XR(a)
      • S(b);XP(D)::S(B),XS(b)
      • S(b);OGATE,XP(F)::R(H)+B(G),XS(b)
      • P(h);OGATE,P_SPINP(h),XB(G)::R1(H),XP(h)
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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).