Problem Display
PID: 142210 (8/5p2/8/NRN1k3/1B4BP/8/3KPn2/5RQ1 w - - 0 1)

Corrias, Antonio G

Brisbane Courier, 1919

(First published on Sat Sep 20 1919)

8/5p2/8/NRN1k3/1B4BP/8/3KPn2/5RQ1

#2

10 + 3


14868 Pirnie Collection 2011

SOLUTION


  • SOUND
  • Sets
    • 1...Kd6
      • 2.Sa6#
  • Tries
    • 1.Se6+?
      • 1...Ke4
        • 2.Bf3#
        • 2.Bf5#
        • 2.Qg2#
      • 1...Kf6!
  • Keys
    • 1.Bf5!
      • 1...Se4+
        • 2.Sxe4#
      • 1...Kd4
        • 2.Scb3#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd5
        • 2.Scb3#
        • 2.Se6#
      • 1...Kxf5
        • 2.Qg5#
      • 1...Kd6
        • 2.Sa6#
      • 1...Kf6
        • 2.Sd7#
      • 1...Sd1
        • 2.Se4#
        • 2.Sd7#
      • 1...Sh1
        • 2.Se4#
        • 2.Sd7#
      • 1...Sd3
        • 2.Sd7#
      • 1...Sh3
        • 2.Se4#
        • 2.Sd7#
      • 1...Sg4
        • 2.Se4#
        • 2.Sd7#
      • 1...f6
        • 2.Se6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(E)+S(J)
  • Tries
    • Try
      • S(J);CHECK
      • Refutation
        • K(b);P_SPINS(a),S_FLIGHT
  • Actual
    • B(F);
    • Vars
      • S(a);CHECK::R(I)+S(J),XS(a)
      • K(b);P_SPINS(a),S_FLIGHT::S(J)
      • K(b);OGATEB,P-FLIGHT,P_SPINS(a),XB(F)::QAR1(B)
      • K(b);S_FLIGHT::B(E)+S(J)
      • K(b);S_FLIGHT::S(J)
      • S(a);::R(I)+S(J),DCHECK
      • P(c);SBLOCK::R(I)+S(J)


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).