MESON Chess Problem Database

Problem Display
PID: 163271 (1R5Q/8/8/8/8/kpP5/p2K4/8 w - - 0 1)

Bulanov, Vladimir

StrateGems, 2013

1R5Q/8/8/8/8/kpP5/p2K4/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qf8+?
      • 1...Ka4
        • 2.Qb4#
      • 1...Kb2!
  • Keys
    • 1.Qh1!
      • 1...Kb2
        • 2.Qc1#
      • 1...Ka4
        • 2.Qa8#
      • 1...a1Q
        • 2.Qxa1#
      • 1...a1S
        • 2.Qxa1#
      • 1...a1B
        • 2.Qxa1#
      • 1...a1R
        • 2.Qxa1#
      • 1...b2
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);P-FLIGHT::QAR1(D)
      • Refutation
        • K(b);P_SPINP(c),S_FLIGHT
  • Actual
    • Q(D);
    • Vars
      • K(b);P_SPINP(c),S_FLIGHT::QAB1(D)
      • K(b);P-FLIGHT::QAR(D)
      • P(a);OGATEB::QAR2(D),XQ(a)
      • P(a);OGATEB::QAR2(D),XS(a)
      • P(a);OGATEB::QAR2(D),XB(a)
      • P(a);OGATEB::QAR2(D),XR(a)
      • P(c);::QAR(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).