Problem Display
PID: 221890 (Q7/2p1ppp1/2B2k2/3b3P/5PP1/2K5/2n5/B7 w - - 0 1)

Langweil, Walter

Funkschach, 1926

Q7/2p1ppp1/2B2k2/3b3P/5PP1/2K5/2n5/B7

#2

7 + 7


15148 Sadier Collection 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Be6
      • 2.Kxc2#
    • 1...e6
      • 2.Qd8#
  • Keys
    • 1.Bd7!
      • threat
        • 2.g5#
      • 1...e5
        • 2.Qd8#
      • 1...e6
        • 2.Qd8#
      • 1...g5
        • 2.Qh8#
      • 1...g6
        • 2.Qh8#
      • 1...Be6
        • 2.Kxc2#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK,S_CUTP(e)::B(A)+K(B),XS(a)
    • P(e);OGATEB,SBLOCK::QAB(G)
  • Actual
    • B(F);
    • Threat
      • P(D)
    • Vars
      • P(e);OGATEB::QAB(G)
      • P(g);OGATEB::QAB(G)
      • B(b);S_CUTP(e)::B(A)+K(B),XS(a)


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).