Problem Display
PID: 22516 (8/2B4R/8/1N1k4/8/7n/3K4/5Q2 w - - 0 1)

Winter-Wood, Edward John

Croydon Guardian, 1882

(First published on Sat Nov 11 1882)

8/2B4R/8/1N1k4/8/7n/3K4/5Q2

#2

5 + 2


526 Boys' Newspaper 1886
3392 Chess Souvenirs 1886
4883 Still More Fun with Chess Miniatures 2002
15254 EJWW Scrapbook 2011
15351 SCPF/BCPS Black Books 2016

SOLUTION


  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qd3#
    • 1...Ke6
      • 2.Qf7#
  • Tries
    • 1.Kc3?
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc5
        • 2.Qc4#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kc6!
  • Keys
    • 1.Sa3!
      • threat
        • 2.Qc4#
      • 1...Kd4
        • 2.Qc4#
      • 1...Ke4
        • 2.Qd3#
      • 1...Kc5
        • 2.Qc4#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qf7#

This is a version of 141158

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(A)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Threat
        • QAB1(A)
      • Vars
        • K(b);S_FLIGHT::QAB1(A)
        • K(b);P-FLIGHT::QAR1(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);P-FLIGHT::QAR1(A)
      • K(b);S_FLIGHT::QAB1(A)


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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).