Problem Display
PID: 24323 (3BQ3/3P4/6p1/1p2Nk1b/1P2prnp/6bB/5p1p/5K1n w - - 0 1)

Visserman, Eeltje

2nd Place, Jeugd, 1943

3BQ3/3P4/6p1/1p2Nk1b/1P2prnp/6bB/5p1p/5K1n

#2

7 + 12


3098 FIDE Album (1914-1944) (I) 1971

SOLUTION


  • SOUND
  • Tries
    • 1.Sc4?
      • threat
        • 2.Se3#
        • 2.Sd6#
        • 2.Qf7#
        • 2.Qe5#
      • 1...Rf3
        • 2.Qf7#
      • 1...e3
        • 2.Sxe3#
        • 2.Sd6#
        • 2.Qe5#
      • 1...g5
        • 2.Se3#
        • 2.Sd6#
      • 1...bxc4!
    • 1.Sf7?
      • threat
        • 2.Sd6#
        • 2.Sh6#
        • 2.Qe5#
      • 1...g5
        • 2.Sd6#
        • 2.Sh6#
      • 1...Rf3!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Sd4#
        • 2.Qf7#
        • 2.Qe5#
      • 1...Rf3
        • 2.Qf7#
      • 1...e3
        • 2.Qe5#
      • 1...g5
        • 2.Sd4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • DUALS(4)
      • Vars
        • R(f);::QAR2(G)
      • Refutation
        • P(i);XS(D)
    • Try
      • S(D);
      • Threat
        • DUALS(3)
      • Refutation
        • R(f);
  • Actual
    • S(D);
    • Threat
      • DUALS(3)
    • Vars
      • R(f);::QAR2(G)
      • P(e);::QAR1(G)
      • P(l);::S(D)


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).