Problem Display
PID: 149276 (5B2/5p2/1N2k3/8/8/8/4KQ1R/8 w - - 0 1)

Kirillov, Stanislav Vasilovich

Kudesnik, 1995

5B2/5p2/1N2k3/8/8/8/4KQ1R/8

#2

5 + 2


15148 Sadier Collection 2013

SOLUTION


  • SOUND
  • Tries
    • 1.Rh5?
      • threat
        • 2.Qf5#
      • 1...f5
        • 2.Qxf5#
      • 1...f6!
    • 1.Rh6+?
      • 1...f6
        • 2.Qxf6#
      • 1...Ke5!
  • Keys
    • 1.Qc5!
      • 1...Kf6
        • 2.Rh6#
      • 1...f5
        • 2.Qe7#
      • 1...f6
        • 2.Qd5#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);
      • Threat
        • QAB1(B)
      • Vars
        • P(b);::QAB1(B),XP(b)
      • Refutation
        • P(b);
    • Try
      • R(C);CHECK
      • Vars
        • P(b);P_SPINP(b)::QAR1(B),XP(b)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);P-FLIGHT::R(C)
      • P(b);SBLOCK::QAR1(B)
      • P(b);SBLOCK::QAB1(B)


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).