MESON Chess Problem Database

Problem Display
PID: 101469 (6QK/4p3/8/3R4/bqk5/1Rp5/P4B2/b7 w - - 0 1)

Tuxen, Harri Viggo

Good Companions, 1921

6QK/4p3/8/3R4/bqk5/1Rp5/P4B2/b7

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Rd4#
  • Tries
    • 1.Rd6+?
      • 1...Kb5
        • 2.Qd5#
      • 1...e6!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qe4#
      • 1...Qb8+
        • 2.Rd8#
      • 1...c2+
        • 2.Re5#
      • 1...Qc5
        • 2.Rd4#
      • 1...Qb6
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • Q(d);SBLOCK::QAB(E)+R(D),DCHECK
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(e);P_SPINQ(d),S_FLIGHT::QAR2(E)
      • Refutation
        • P(f);P_SPINP(f)
  • Actual
    • Q(E);
    • Threat
      • QAR2(E)
    • Vars
      • Q(d);CHECK::QAB(E)+R(D)
      • P(b);CHECK::QAB(E)+R(D)
      • Q(d);SBLOCK::QAB(E)+R(D),DCHECK
      • Q(d);::QAB(E)+R(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).