MESON Chess Problem Database

Problem Display
PID: 172398 (5K2/2P2R2/4k3/6P1/3r4/Q7/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kuban segodniya, 1997

5K2/2P2R2/4k3/6P1/3r4/Q7/8/8

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qe7#
  • Keys
    • 1.Qc5!
      • threat
        • 2.Re7#
      • 1...Rd8+
        • 2.cxd8S#
      • 1...Rd5
        • 2.Qe7#
      • 1...Rf4
        • 2.c8Q#
        • 2.c8B#
      • 1...Rd7
        • 2.Rf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK::QAR1(A)
  • Actual
    • Q(A);
    • Threat
      • R1(D)
    • Vars
      • R(a);CHECK,OGATE::PXR(a)=S
      • R(a);SBLOCK::QAR1(A)
      • R(a);N_GUARD,P_PINR(D)::P=Q
      • R(a);SBLOCK::R1(D)
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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).