Problem Display
PID: 162647 (2Kn1RN1/2p3p1/2p1k2P/6P1/1n1R1BP1/2Pp4/3pp1p1/4q3 w - - 0 1)

Paslack, Rainer

Die Schwalbe, 2015

2Kn1RN1/2p3p1/2p1k2P/6P1/1n1R1BP1/2Pp4/3pp1p1/4q3

#2

9 + 11


SOLUTION


  • SOUND
  • Sets
    • 1...Sd5
      • 2.Re4#
    • 1...Sf7
      • 2.Re8#
    • 1...gxh6
      • 2.Rf6#
    • 1...g6
      • 2.Rf6#
  • Tries
    • 1.c4?
      • threat
        • 2.Re4#
      • 1...Sf7
        • 2.Re8#
      • 1...Qa1!
    • 1.g6?
      • threat
        • 2.Re8#
      • 1...Sd5
        • 2.Re4#
      • 1...Qh4!
  • Keys
    • 1.hxg7!
      • threat
        • 2.Rf6#
      • 1...Sd5
        • 2.Re4#
      • 1...Sf7
        • 2.Re8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • S(f);SBLOCK::R(B)
    • S(k);SBLOCK::R(H)
    • P(j);N_GUARD,XP(F)::R1(H)
    • P(j);N_GUARD::R1(H)
  • Tries
    • Try
      • P(A);
      • Threat
        • R(B)
      • Vars
        • S(k);SBLOCK::R(H)
      • Refutation
        • Q(a);
    • Try
      • P(E);
      • Threat
        • R(H)
      • Vars
        • S(f);SBLOCK::R(B)
      • Refutation
        • Q(a);
  • Actual
    • P(F);XP(j)
    • Threat
      • R1(H)
    • Vars
      • S(f);SBLOCK::R(B)
      • S(k);SBLOCK::R(H)


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).