MESON Chess Problem Database

Problem Display
PID: 161738 (8/8/b7/2R5/2N5/8/1R2K3/2kN4 w - - 0 1)

Moen, Kabe

The Problemist Supplement, 2016

8/8/b7/2R5/2N5/8/1R2K3/2kN4

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc4+
      • 2.Rxc4#
    • 1...Bb7
      • 2.Sd2#
      • 2.Sa3#
      • 2.Sce3#
      • 2.Sa5#
      • 2.Se5#
      • 2.Sb6#
      • 2.Sd6#
    • 1...Bc8
      • 2.Sd2#
      • 2.Sa3#
      • 2.Sce3#
      • 2.Sa5#
      • 2.Se5#
      • 2.Sb6#
      • 2.Sd6#
  • Tries
    • 1.Ke1?
      • 1...Bxc4
        • 2.Rxc4#
      • 1...Bb7
        • 2.Sd2#
        • 2.Sa3#
        • 2.Sce3#
        • 2.Sa5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sd6#
      • 1...Bc8
        • 2.Sd2#
        • 2.Sa3#
        • 2.Sce3#
        • 2.Sa5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sd6#
      • 1...Bb5!
    • 1.Rbb5?
      • threat
        • 2.Sd2#
        • 2.Sa3#
        • 2.Sce3#
        • 2.Sa5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sd6#
      • 1...Kc2
        • 2.Sd2#
        • 2.Sa3#
        • 2.Sce3#
        • 2.Sa5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sd6#
      • 1...Bxb5!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(b);CHECK,OGATE,P_SPINB(b),XS(D)::R(E),XB(b)
  • Tries
    • Try
      • K(C);N_SPINS(D),P-FLIGHT
      • Vars
        • B(b);OGATE,P_SPINB(b),XS(D)::R(E),XB(b)
      • Refutation
        • B(b);
    • Try
      • R(B);N_SPINS(D)
      • Threat
        • DUALS(7)
      • Refutation
        • B(b);P_PINS(D),XR(B)
  • Actual
    • S(A);
    • Threat
      • 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).