MESON Chess Problem Database

Problem Display
PID: 172445 (8/1pNK4/pk6/8/2P5/Q7/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

8/1pNK4/pk6/8/2P5/Q7/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...a5
      • 2.Qe3#
  • Keys
    • 1.Sb5!
      • 1...axb5
        • 2.c5#
      • 1...a5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);SBLOCK::QAB(A)
  • Actual
    • S(C);
    • Vars
      • P(a);SBLOCK,XS(C)::P(B)
      • P(a);SBLOCK::QAR2(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).