Problem Display
PID: 205763 (6R1/6N1/5P2/4P2P/R2BN1k1/8/6P1/6K1 w - - 0 1)

Torngren, Pehr Hendrik

Aftonbladet, 1925

6R1/6N1/5P2/4P2P/R2BN1k1/8/6P1/6K1

#2

10 + 1


6490 yacpdb 2020

SOLUTION


  • SOUND
  • Tries
    • 1.Sd6?
      • 1...Kg3
        • 2.Bf2#
      • 1...Kf4
        • 2.Se6#
      • 1...Kg5
        • 2.Be3#
      • 1...Kh4!
  • Keys
    • 1.Sg3!
      • 1...Kxg3
        • 2.Bf2#
      • 1...Kf4
        • 2.Se6#
      • 1...Kh4
        • 2.S7f5#
      • 1...Kg5
        • 2.Be3#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);P-FLIGHT::B(D)
        • K(a);P-FLIGHT::S(I)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);P-FLIGHT,XS(E)::B(D)
      • K(a);P-FLIGHT::S(I)
      • K(a);P-FLIGHT::B(D)


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).