MESON Chess Problem Database

Problem Display
PID: 172507 (8/5p2/7p/3K2kP/8/8/4Q1N1/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 2002

8/5p2/7p/3K2kP/8/8/4Q1N1/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kf6
      • 2.Qe5#
  • Keys
    • 1.Qe4!
      • 1...Kxh5
        • 2.Qf5#
      • 1...Kf6
        • 2.Qe5#
      • 1...f5
        • 2.Qh4#
      • 1...f6
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAB1(A)
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT,XP(D)::QAR2(A)
      • K(a);S_FLIGHT::QAB1(A)
      • P(c);SBLOCK::QAB1(A)
      • P(c);N_GUARD::QAR1(A)
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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).