MESON Chess Problem Database

Problem Display
PID: 142208 (N6Q/8/B2p4/RN1k1nK1/3n4/2BR4/6P1/8 w - - 0 1)

Glynn, James Joseph

Rhyde Electorate Times, 1896

N6Q/8/B2p4/RN1k1nK1/3n4/2BR4/6P1/8

#2

9 + 4

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sxd4#
    • 1...Kc5
      • 2.Sxd4#
  • Tries
    • 1.Sbc7+?
      • 1...Kc6
        • 2.Qe8#
      • 1...Ke4!
    • 1.Qe8?
      • threat
        • 2.Sa3#
        • 2.Sxd4#
        • 2.Sa7#
        • 2.Sbc7#
      • 1...Kc4
        • 2.Sxd4#
      • 1...Kc5
        • 2.Sxd4#
      • 1...Se7!
  • Keys
    • 1.Qh7!
      • 1...Kc4
        • 2.Sxd4#
      • 1...Ke4
        • 2.Sxd6#
      • 1...Kc5
        • 2.Sxd4#
      • 1...Ke5
        • 2.Qxf5#
      • 1...Kc6
        • 2.Sa7#
      • 1...Ke6
        • 2.Sbc7#
      • 1...Se3
        • 2.Sxd4#
      • 1...Sg3
        • 2.Sxd4#
      • 1...Sh4
        • 2.Sxd4#
      • 1...Sh6
        • 2.Sxd4#
      • 1...Se7
        • 2.Sxd4#
      • 1...Sg7
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINS(a),S_FLIGHT::B(G)+S(E),XS(a)
    • K(b);N_SPINS(a),P-FLIGHT::R(D)+S(E),XS(a)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::QAB(I)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
    • Try
      • Q(I);
      • Threat
        • DUALS(4)
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::B(G)+S(E),XS(a)
        • K(b);N_SPINS(a),P-FLIGHT::R(D)+S(E),XS(a)
      • Refutation
        • S(c);
  • Actual
    • Q(I);
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::B(G)+S(E),XS(a)
      • K(b);N_SPINS(a),P_SPINS(c),S_FLIGHT::S(E),XP(d)
      • K(b);N_SPINS(a),P-FLIGHT::R(D)+S(E),XS(a)
      • K(b);P-FLIGHT::QAR1(I),XS(c)
      • K(b);N_SPINS(a),S_FLIGHT::S(E)
      • S(c);::R(D)+S(E),XS(a)
HTML5 logo

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).