MESON Chess Problem Database

Problem Display
PID: 179535 (6BK/5RB1/7p/Qpbn1N2/2kn1qR1/P7/P1p5/4N3 w - - 0 1)

Dupuis, T

3rd HM., La Cle, 1971

6BK/5RB1/7p/Qpbn1N2/2kn1qR1/P7/P1p5/4N3

#2

10 + 8

274 diagrammes 1974

SOLUTION

  • SOUND
  • Keys
    • 1.Rc7!
      • threat
        • 2.Qb4#
      • 1...Qxc7
        • 2.Se3#
      • 1...b4
        • 2.Rxc5#
        • 2.Qxb4#
        • 2.Qxc5#
      • 1...Qd2
        • 2.Sd6#
      • 1...Sc6
        • 2.Qc3#
      • 1...Se6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • R(G);P_PINB(f),P_PINS(g)
    • Threat
      • QAR1(E)
    • Vars
      • Q(d);N_GUARD,N_SPINB(f),N_SPINS(g),P_SPINS(c),XR(G)::S(F)
      • Q(d);N_GUARD,N_SPINS(g),P_SPINS(c)::S(F)
      • S(c);N_SPINB(f),P_SPINQ(d)::QAR1(E)
      • S(c);N_SPINS(g),P_SPINQ(d)::S(F)
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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).