MESON Chess Problem Database

Problem Display
PID: 120802 (8/1r5P/4r1k1/8/7Q/8/4p2K/8 w - - 0 1)

Zujevas, Nikolajus

Za Ogneypori, 1990

8/1r5P/4r1k1/8/7Q/8/4p2K/8

#2

3 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.h8Q!
      • threat
        • 2.Q4h5#
      • 1...Kf5
        • 2.Q8h5#
      • 1...Kf7
        • 2.Q4h7#
      • 1...Re5
        • 2.Q4f6#
        • 2.Q8f6#
      • 1...Rb5
        • 2.Q8h7#
      • 1...Rg7
        • 2.Q8h5#
      • 1...Rh7
        • 2.Q8xh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(C);
    • Threat
      • QAB1(B)
    • Vars
      • K(c);S_FLIGHT::QAR2(C)
      • K(c);S_FLIGHT::QAR2(B)
      • R(d);N_GUARD::QAB1(C)
      • R(d);SBLOCK::QAB1(C)
      • R(d);N_GUARD,P_PINQ(B)::QAB1(C),XR(d)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).