MESON Chess Problem Database

Problem Display
PID: 53460 (B7/8/NN4bR/1k6/8/5Q2/3K4/8 w - - 0 1)

Tryssesoone, Louis

Het Belgisch Schaakbord (L'Echiquier Belge), 1949

B7/8/NN4bR/1k6/8/5Q2/3K4/8

#2

6 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Qc6+?
      • 1...Ka5
        • 2.Sc4#
      • 1...Kxa6!
    • 1.Qa3?
      • 1...Bb1
        • 2.Sc7#
        • 2.Qa4#
      • 1...Bc2
        • 2.Sc7#
      • 1...Bd3
        • 2.Sc7#
        • 2.Qa4#
      • 1...Be4
        • 2.Sc7#
        • 2.Qa4#
      • 1...Bf5
        • 2.Sc7#
        • 2.Qa4#
      • 1...Bh5
        • 2.Sc7#
        • 2.Qa4#
      • 1...Bf7
        • 2.Sc7#
        • 2.Qa4#
      • 1...Bh7
        • 2.Sc7#
        • 2.Qa4#
      • 1...Be8
        • 2.Sc7#
        • 2.Qa4#
      • 1...Kxb6!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qc6#
      • 1...Ka4
        • 2.Bc6#
      • 1...Kxc4
        • 2.Qd5#
      • 1...Kxa6
        • 2.Qb7#
      • 1...Be4
        • 2.Qb3#
      • 1...Be8
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::S(D)
      • Refutation
        • K(a);S_FLIGHT,XS(C)
    • Try
      • Q(B);
      • Vars
        • B(b);::S(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINB(b),XS(D)
  • Actual
    • S(D);
    • Threat
      • QAB1(B)
    • Vars
      • K(a);S_FLIGHT::B(F)
      • K(a);S_FLIGHT,XS(D)::QAB1(B)
      • K(a);P_SPINB(b),S_FLIGHT,XS(C)::QAB1(B)
      • B(b);::QAR2(B)
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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).