MESON Chess Problem Database

Problem Display
PID: 103821 (8/Q2b1p1n/4R1N1/3p1k2/7K/8/8/8 w - - 0 1)

Dukic, Milenko

Vandemeulebroucke, Ignaas

Canadian Chess Championship, 1981

8/Q2b1p1n/4R1N1/3p1k2/7K/8/8/8

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Se7+?
      • 1...Kf4
        • 2.Qf2#
        • 2.Qe3#
      • 1...Kxe6!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qe5#
        • 2.Qg4#
        • 2.Qxd5#
      • 1...Kxe6
        • 2.Qe5#
      • 1...Bxe6
        • 2.Se7#
      • 1...fxe6
        • 2.Se7#
      • 1...fxg6
        • 2.Qe5#
        • 2.Qg4#
      • 1...Sf6
        • 2.Rxf6#
        • 2.Qxf6#
      • 1...f6
        • 2.Qg4#
      • 1...Bc6
        • 2.Qe5#
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • K(b);S_FLIGHT,XR(B)
  • Actual
    • Q(D);
    • Threat
      • DUALS(3)
    • Vars
      • K(b);S_FLIGHT,XR(B)::QAR1(D)
      • B(c);SBLOCK,XR(B)::S(C)
      • P(d);SBLOCK,XR(B)::S(C)
      • P(d);::QAB1(D)
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).