Problem Display
PID: 144142 (2n1B3/1K6/3k4/3nNP2/5B2/1P5Q/8/3R4 w - - 0 1)

Drasch, Heinrich

Neue Wiener Tagblatt, 1908

(First published on Sat Nov 21 1908)

2n1B3/1K6/3k4/3nNP2/5B2/1P5Q/8/3R4

#2

8 + 3


14868 Pirnie Collection 2012

SOLUTION


  • SOUND
  • Sets
    • 1...Se7
      • 2.Sd7#
  • Tries
    • 1.Qh7?
      • threat
        • 2.Sd7#
        • 2.Qc7#
      • 1...Se7
        • 2.Sd7#
      • 1...Kc5!
  • Keys
    • 1.Qh8!
      • 1...Kc5
        • 2.Sd3#
      • 1...Ke7
        • 2.Sc6#
      • 1...Sb6
        • 2.Qf8#
      • 1...Sa7
        • 2.Qf8#
      • 1...Se7
        • 2.Sd7#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);SBLOCK::B(D)+S(E)
  • Tries
    • Try
      • Q(C);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::B(D)+S(E)
      • Refutation
        • K(b);N_SPINS(a),S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);N_SPINS(a),S_FLIGHT::S(E)
      • S(c);N_GUARD::QAB(C)
      • S(c);SBLOCK::B(D)+S(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).