MESON Chess Problem Database

Problem Display
PID: 72821 (3B1K2/6Np/5Nkp/4pn1q/4n1pP/3B4/6Q1/4rR2 w - - 0 1)

Taale, Cornelius J

2nd HM., Tidskrift for Schack, 1938

3B1K2/6Np/5Nkp/4pn1q/4n1pP/3B4/6Q1/4rR2

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sg5
      • 2.Bxf5#
  • Tries
    • 1.Qxg4+?
      • 1...Qg5
        • 2.h5#
      • 1...Sg5
        • 2.Bxf5#
        • 2.Qxf5#
        • 2.Qxh5#
      • 1...Qxg4!
  • Keys
    • 1.Sxg4!
      • threat
        • 2.Sxe5#
      • 1...Qxg4
        • 2.h5#
      • 1...Seg3
        • 2.Qc6#
      • 1...Sg5
        • 2.Bxf5#
      • 1...Sfg3
        • 2.Rf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);N_SPINP(c),OGATE,P_SPINS(e)::B(C),XS(e)
  • Tries
    • Try
      • Q(B);CHECK,XP(c)
      • Vars
        • Q(f);OGATE,P_SPINQ(f)::P(D)
      • Refutation
        • Q(f);XQ(B)
  • Actual
    • S(E);XP(c)
    • Threat
      • QAR(B)+S(E),DCHECK,XP(d)
    • Vars
      • Q(f);OGATE,P_SPINQ(f),XS(E)::P(D)
      • S(b);OGATE,P_SPINS(e)::QAR(B)
      • S(b);OGATE,P_SPINS(e)::B(C),XS(e)
      • S(e);OGATE,P_SPINS(b)::R1(A)
HTML5 logo

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).