MESON Chess Problem Database

Problem Display
PID: 107161 (6Q1/5pK1/3p4/4kp2/2R5/8/8/8 w - - 0 1)

Jessurun Lobo, Johan Rudolf

De Waarheid, 1966

6Q1/5pK1/3p4/4kp2/2R5/8/8/8

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qxf7?
      • 1...d5
        • 2.Qf6#
        • 2.Qe7#
      • 1...f4!
  • Keys
    • 1.Kxf7!
      • 1...Kd5
        • 2.Kf6#
      • 1...f4
        • 2.Qg5#
      • 1...d5
        • 2.Qb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);XP(d)
      • Refutation
        • P(b);
  • Actual
    • K(B);P-FLIGHT,XP(d)
    • Vars
      • K(a);P-FLIGHT::QAB(C)+K(B)
      • P(b);OGATEB::QAR2(C)
      • P(c);OGATEB,SBLOCK::QAB(C)
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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).