Problem Display
PID: 142696 (1N5N/4B3/7K/3pkp2/Q7/5B2/8/6n1 w - - 0 1)

Winter-Wood, Edward John

Illustrated London News, 1904

(First published on Sat Aug 13 1904)

1N5N/4B3/7K/3pkp2/Q7/5B2/8/6n1

#2

6 + 4


15254 EJWW Scrapbook 2011

SOLUTION


  • SOUND
  • Tries
    • 1.Bf6+?
      • 1...Kd6
        • 2.Qc6#
      • 1...Ke6
        • 2.Qc6#
        • 2.Qa6#
      • 1...Kxf6!
    • 1.Qd4+?
      • 1...Ke6
        • 2.Qe3#
        • 2.Qf6#
      • 1...Kxd4!
    • 1.Qf4+?
      • 1...Ke6
        • 2.Qe3#
        • 2.Qd6#
      • 1...Kxf4!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Sc6#
      • 1...Kf4
        • 2.Bd6#
      • 1...Ke6
        • 2.Qe3#
      • 1...d4
        • 2.Sg6#
      • 1...f4
        • 2.Qxd5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(B)
      • Refutation
        • K(c);S_FLIGHT,XB(D)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAR2(B)
    • Vars
      • K(c);S_FLIGHT::S(E)
      • K(c);S_FLIGHT::B(D)
      • K(c);P-FLIGHT,P_SPINP(b)::QAR(B)
      • P(b);SBLOCK::S(F)
      • P(d);SBLOCK::QAR1(B),XP(b)


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).