Problem Display
PID: 259354 (b4K2/2pBQ3/1R2PpN1/p1r2k2/q1p3pP/b5P1/3N1B2/5R2 w - - 0 1)

Goulty, Allison Howard

Western Morning News, 1924

(First published on Sat Feb 16 1924)

b4K2/2pBQ3/1R2PpN1/p1r2k2/q1p3pP/b5P1/3N1B2/5R2

#2

11 + 10


15239 Valois Notebooks 2022

SOLUTION


  • SOUND
  • Tries
    • 1.Be3+?
      • 1...Kxg6
        • 2.Qf7#
      • 1...Bf3!
    • 1.Bd4+?
      • 1...Bf3
        • 2.Qxf6#
      • 1...Kxg6!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qh5#
      • 1...Rb5+
        • 2.e7#
      • 1...Rd5+
        • 2.Bc5#
      • 1...Re5+
        • 2.Se7#
      • 1...Rc6+
        • 2.Bc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(g);S_CUTB(j),S_FLIGHT,XS(H)::QAB1(J)
      • Refutation
        • B(j);P_SPINB(j)
    • Try
      • B(C);CHECK
      • Vars
        • B(j);P_SPINB(j)::QAR1(J),XP(h)
      • Refutation
        • K(g);S_FLIGHT,XS(H)
  • Actual
    • Q(J);
    • Threat
      • QAR2(J)
    • Vars
      • R(f);CHECK,S_CUTQ(b)::B(I)+P(G)
      • R(f);CHECK,S_CUTB(j)::R(A)+B(C)
      • R(f);CHECK,SBLOCK::QAB(J)+S(H),DCHECK


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).