MESON Chess Problem Database

Problem Display
PID: 172264 (8/8/5Qpr/8/6k1/4P3/6KP/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Kubanski novosti, 1996

8/8/5Qpr/8/6k1/4P3/6KP/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rh4
      • 2.Qxg6#
    • 1...Rh5
      • 2.Qf4#
  • Keys
    • 1.h4!
      • threat
        • 2.Qg5#
      • 1...Kh5
        • 2.Qg5#
      • 1...Rxh4
        • 2.Qxg6#
      • 1...g5
        • 2.Qxg5#
      • 1...Rh5
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD,SBLOCK::QAR2(D),XP(b)
    • R(c);SBLOCK::QAR1(D)
  • Actual
    • P(B);
    • Threat
      • QAR1(D)
    • Vars
      • K(a);S_FLIGHT::QAR1(D)
      • R(c);N_GUARD,SBLOCK,XP(B)::QAR2(D),XP(b)
      • P(b);::QAR1(D),XP(b)
      • R(c);SBLOCK::QAR1(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).