Problem Display
PID: 64507 (QK6/2RpN3/5p2/N2PPq1R/p2krr2/3p1P2/3P4/8 w - - 0 1)

Labai, Zoltan

1st Prize, Pfeiffer MT, 1981-1982

QK6/2RpN3/5p2/N2PPq1R/p2krr2/3p1P2/3P4/8

#2

10 + 8


6424 Czech Album (1979-1981) 1986
3752 FIDE Album (1980-1982) 1988
6352 A Collection of Chess Problems by Touw Hian Bwee 2008
102 Probleemblad 2008

SOLUTION


  • SOUND
  • Sets
    • 1...Qh3
      • 2.Rc4#
      • 2.Qa7#
    • 1...Qg4
      • 2.Rc4#
      • 2.Qa7#
    • 1...Qe6
      • 2.Rc4#
    • 1...Qg6
      • 2.Rc4#
      • 2.Qa7#
    • 1...Qh7
      • 2.Rc4#
      • 2.Qa7#
    • 1...Qxe5
      • 2.Qa7#
    • 1...Rxe5
      • 2.Rc4#
      • 2.Qa7#
    • 1...fxe5
      • 2.Rc4#
      • 2.Qa7#
  • Keys
    • 1.d6!
      • threat
        • 2.Qd5#
      • 1...Kxe5
        • 2.Qd5#
      • 1...Qxe5
        • 2.Rc4#
      • 1...Rxe5
        • 2.Rc4#
      • 1...Qe6
        • 2.Qa7#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(f);::R1(G)
    • Q(f);P_PINR(G),XP(E)::QAB(I)
  • Actual
    • P(D);
    • Threat
      • QAR1(I)
    • Vars
      • K(c);P_SPINQ(f),S_FLIGHT,XP(E)::QAR1(I)
      • Q(f);XP(E)::R1(G)
      • R(d);SBLOCK,XP(E)::R1(G)
      • Q(f);::QAB(I)


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).