MESON Chess Problem Database

Problem Display
PID: 71678 (6Q1/4p3/3k4/3N4/3B4/1B2K3/8/8 w - - 0 1)

Kozhakina, Alena Vladimirova

Problem Observer, 2006

6Q1/4p3/3k4/3N4/3B4/1B2K3/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Ba4?
      • 1...e6
        • 2.Qd8#
      • 1...e5!
    • 1.Qd8+?
      • 1...Ke6
        • 2.Sxe7#
      • 1...Kc6!
  • Keys
    • 1.Qc8!
      • 1...e5
        • 2.Bc5#
      • 1...e6
        • 2.Qc7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • P(b);SBLOCK::QAR2(E)
      • Refutation
        • P(b);
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);P-FLIGHT::B(A)+S(D),XP(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(E);
    • Vars
      • P(b);SBLOCK::B(C)
      • P(b);SBLOCK::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).