MESON Chess Problem Database

Problem Display
PID: 152918 (8/8/1pN5/1Pk5/2N5/1QK5/8/8 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

Best Problems, 2004

8/8/1pN5/1Pk5/2N5/1QK5/8/8

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Qc2?
      • threat
        • 2.Qf5#
      • 1...Kd5
        • 2.Qf5#
      • 1...Kxb5!
    • 1.Qa3+?
      • 1...Kxb5
        • 2.Sd4#
        • 2.Sa7#
      • 1...Kd5!
  • Keys
    • 1.Qb1!
      • 1...Kd5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAR2(A)
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).