MESON Chess Problem Database

Problem Display
PID: 61189 (1rk5/1np1Kp2/8/8/8/8/8/Q7 w - - 0 1)

Paradzinsky, Oleg

Uralski Problemist, 2004

1rk5/1np1Kp2/8/8/8/8/8/Q7

#2

2 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ra8
      • 2.Qxa8#
  • Keys
    • 1.Qa6!
      • 1...Ra8
        • 2.Qxa8#
      • 1...c5
        • 2.Qc6#
      • 1...c6
        • 2.Qxc6#
      • 1...f5
        • 2.Qe6#
      • 1...f6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(d);OGATEB::QAR2(A),XR(d)
  • Actual
    • Q(A);P_PINS(a)
    • Vars
      • R(d);OGATEB::QAR2(A),XR(d)
      • P(b);OGATEB::QAR2(A)
      • P(b);OGATEB::QAR2(A),XP(b)
      • P(c);N_GUARD::QAB(A)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).