MESON Chess Problem Database

Problem Display
PID: 172306 (4K3/4P3/4k3/3r4/2P2Q2/8/8/4B3 w - - 0 1)

Andreev, Aleksandr Grigorevich

Vecherni Krasnodar, 1996

4K3/4P3/4k3/3r4/2P2Q2/8/8/4B3

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rd8+
      • 2.exd8S#
  • Keys
    • 1.Bg3!
      • threat
        • 2.Qf7#
      • 1...Rd8+
        • 2.exd8S#
      • 1...Re5
        • 2.Qxe5#
      • 1...Rf5
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(a);CHECK,OGATE::PXR(a)=S
  • Actual
    • B(A);
    • Threat
      • QAB1(C)
    • Vars
      • R(a);CHECK,OGATE::PXR(a)=S
      • R(a);N_GUARD::QAR1(C),XR(a)
      • R(a);N_GUARD,SBLOCK::QAR1(C)
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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).