Problem Display
PID: 270665 (6bk/5p1N/4PK2/6p1/4Q1P1/8/8/8 w - - 0 1)

Westbury, Eric Ernest

Birmingham News, 1900

6bk/5p1N/4PK2/6p1/4Q1P1/8/8/8

#2

5 + 4


17417 Westbury Scrapbooks 2023

SOLUTION


  • SOUND
  • Tries
    • 1.Sxg5?
      • 1...Bh7
        • 2.Qxh7#
      • 1...fxe6!
    • 1.Sf8?
      • 1...Bh7
        • 2.Qxh7#
      • 1...fxe6!
    • 1.Qb7?
      • 1...Kxh7
        • 2.Qh1#
      • 1...fxe6
        • 2.Qg7#
      • 1...Bxh7!
    • 1.Qa8?
      • 1...Kxh7
        • 2.Qh1#
      • 1...fxe6!
  • Keys
    • 1.Qe5!
      • 1...Kxh7
        • 2.Qh2#
      • 1...Bxh7
        • 2.Kxf7#
      • 1...fxe6
        • 2.Kg6#

FEATURES


  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);XP(a)
      • Vars
        • B(c);N_GUARD::QAR1(A),XB(c)
      • Refutation
        • P(b);XP(C)
    • Try
      • S(E);
      • Vars
        • B(c);N_GUARD::QAR1(A),XB(c)
      • Refutation
        • P(b);XP(C)
    • Try
      • Q(A);
      • Vars
        • K(d);OGATEB,P-FLIGHT,P_SPINP(b),XS(E)::QAR(A)
        • P(b);OGATE,XP(C)::QAB1(A)
      • Refutation
        • B(c);XS(E)
    • Try
      • Q(A);P_PINB(c)
      • Vars
        • K(d);N_SPINB(c),OGATEB,P-FLIGHT,XS(E)::QAR(A)
      • Refutation
        • P(b);XP(C)
  • Actual
    • Q(A);
    • Vars
      • K(d);OGATEB,P-FLIGHT,XS(E)::QAR(A)
      • B(c);SBLOCK,XS(E)::QAB(A)+K(D),XP(b)
      • P(b);XP(C)::QAB(A)+K(D)


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).