Problem Display
PID: 36167 (3B2nr/5Pbr/4QPkp/8/5KP1/8/8/8 w - - 0 1)

Myllyniemi, Matti Arvo

2nd Prize, Borsodi Vegyesz, 1967

3B2nr/5Pbr/4QPkp/8/5KP1/8/8/8

#2

6 + 6


3772 FIDE Album (1965-1967) 1976
5454 Near Snap 2007

SOLUTION


  • SOUND
  • Tries
    • 1.fxg7+?
      • 1...Sf6
        • 2.Qxf6#
      • 1...Kxg7!
    • 1.fxg8Q?
      • threat
        • 2.Qf5#
        • 2.Qef7#
        • 2.Qgf7#
        • 2.Qe4#
        • 2.Qee8#
        • 2.fxg7#
        • 2.f7#
      • 1...h5
        • 2.fxg7#
        • 2.f7#
      • 1...Rxg8!
    • 1.fxg8R?
      • threat
        • 2.Qe8#
        • 2.fxg7#
        • 2.f7#
      • 1...h5
        • 2.fxg7#
        • 2.f7#
      • 1...Rxg8!
  • Keys
    • 1.Qe8!
      • threat
        • 2.fxg8Q#
        • 2.fxg8S#
        • 2.fxg8B#
        • 2.fxg8R#
        • 2.f8Q#
        • 2.f8S#
        • 2.f8B#
        • 2.f8R#
      • 1...Sxf6
        • 2.f8S#
      • 1...h5
        • 2.fxg8S#

Anticipated by 24465(1962)

This anticipates 137618(1993)

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(D);CHECK,XB(c)
      • Vars
        • S(e);N_GUARD,P_SPINS(e)::QAR1(C),XS(e)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • P(E);P_PINB(c),XS(e)
      • Threat
        • DUALS(7)
      • Refutation
        • R(f);N_SPINB(c),XQ(E)
    • Try
      • P(E);P_PINB(c),XS(e)
      • Threat
        • DUALS(3)
      • Refutation
        • R(f);N_SPINB(c),XR(E)
  • Actual
    • Q(C);
    • Threat
      • DUALS(8)
    • Vars
      • S(e);XP(D)::P=S
      • P(b);::PXS(e)=S


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).