Problem Display
PID: 250358 (1kB1N1QK/1P4pp/1PP5/4R3/8/2r3R1/3rP2B/5q2 w - - 0 1)

Garai, Toma

Jerusalem Post, 1964

1kB1N1QK/1P4pp/1PP5/4R3/8/2r3R1/3rP2B/5q2

#2

11 + 6


15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Ra3
      • 2.c7#
    • 1...Rb3
      • 2.c7#
    • 1...Rd3
      • 2.c7#
    • 1...Re3
      • 2.c7#
    • 1...Rf3
      • 2.c7#
    • 1...Rxg3
      • 2.c7#
  • Tries
    • 1.Sc7?
      • threat
        • 2.Sa6#
      • 1...Qxe2
        • 2.Bd7#
      • 1...Qa1
        • 2.Bd7#
      • 1...Ra2
        • 2.Bf5#
      • 1...Ra3!
  • Keys
    • 1.Ra5!
      • threat
        • 2.Ra8#
      • 1...Qa1
        • 2.Rd3#
      • 1...Ra2
        • 2.Rf3#
      • 1...Ra3
        • 2.c7#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(c);N_GUARD::P(F)
    • R(c);N_GUARD,XR(C)::P(F)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I)
      • Vars
        • Q(a);N_GUARD,XP(A)::QAR(J)+B(H)
        • Q(a);N_GUARD::QAR(J)+B(H)
        • R(b);N_GUARD::QAR(J)+B(H)
      • Refutation
        • R(c);
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • Q(a);N_GUARD::B(B)+R(C)
      • R(b);N_GUARD::B(B)+R(C)
      • R(c);N_GUARD::P(F)


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).