Problem Display
PID: 202982 (1Q6/8/8/B7/3k4/6K1/2P5/5N2 w - - 0 1)

Fedorovich, N

64 Shakhmatnoe obozrenie, 2020

1Q6/8/8/B7/3k4/6K1/2P5/5N2

#2

5 + 1


SOLUTION


  • SOUND
  • Tries
    • 1.Qe5+?
      • 1...Kc4
        • 2.Sd2#
        • 2.Se3#
      • 1...Kxe5!
  • Keys
    • 1.Se3!
      • 1...Kxe3
        • 2.Qe5#
      • 1...Ke4
        • 2.Qf4#
      • 1...Kc5
        • 2.Qb6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(E)
  • Actual
    • S(A);
    • Vars
      • K(a);S_FLIGHT,XS(A)::QAR2(E)
      • K(a);P-FLIGHT::QAR1(E)
      • K(a);S_FLIGHT::QAB1(E)


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).