MESON Chess Problem Database

Problem Display
PID: 145571 (6Q1/p7/1PR1KPp1/B1N3p1/2k1n1R1/1Np5/2PPr1r1/5B2 w - - 0 1)

Tate, Henry

4th HM., Good Companions (October), 1917

6Q1/p7/1PR1KPp1/B1N3p1/2k1n1R1/1Np5/2PPr1r1/5B2

#2

12 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Bxe2#
    • 1...Rxg4
      • 2.Bxe2#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Ke5#
      • 1...Sxd2+
        • 2.Kd6#
        • 2.Kd7#
      • 1...Sf2+
        • 2.Kd6#
        • 2.Kd7#
      • 1...Sg3+
        • 2.Kd6#
        • 2.Kd7#
      • 1...Sxc5+
        • 2.Kd6#
      • 1...Sd6+
        • 2.Kxd6#
      • 1...Sxf6+
        • 2.Kxf6#
      • 1...Kxd4
        • 2.Sb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(b);N_GUARD::B(A),XR(a)
    • R(b);N_GUARD,N_SPINS(e),XR(E)::B(A),XR(a)
  • Actual
    • S(D);N_PINS(e)
    • Threat
      • QAB(L)+K(J)
    • Vars
      • S(e);CHECK,P_SPINS(e),XS(G)::QAB(L)+K(J)
      • S(e);CHECK::QAB(L)+K(J),XS(e)
      • S(e);CHECK,XP(K)::QAB(L)+K(J),XS(e)
      • K(d);N_SPINR(a),P-FLIGHT,P_SPINS(e),XS(D)::S(G)
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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).