MESON Chess Problem Database

Problem Display
PID: 102291 (K7/8/2N1p1Q1/3k4/4N3/1P6/6P1/8 w - - 0 1)

Andersson, J

SkaknesTidningen Dagen, 1917

K7/8/2N1p1Q1/3k4/4N3/1P6/6P1/8

#2

6 + 2

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qh7?
      • 1...Kxc6
        • 2.Qb7#
      • 1...e5!
  • Keys
    • 1.Qf7!
      • 1...Kxe4
        • 2.Qf3#
      • 1...Kxc6
        • 2.Qb7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(D)::QAB1(E)
      • Refutation
        • P(b);
  • Actual
    • Q(E);P_PINP(b)
    • Vars
      • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(C)::QAB1(E)
      • K(a);N_SPINP(b),OGATEB,S_FLIGHT,XS(D)::QAB1(E)
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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).