Problem Display
PID: 71229 (5n2/3B1K1p/pp2r1pP/Rn3kbR/1NN1r1p1/1p4P1/1PQ2P2/8 w - - 0 1)

Bonivento, Oscar

3/4 Prize, Il Due Mosse, 1962

5n2/3B1K1p/pp2r1pP/Rn3kbR/1NN1r1p1/1p4P1/1PQ2P2/8

#2

11 + 12


SOLUTION


  • SOUND
  • Tries
    • 1.f4?
      • threat
        • 2.Se3#
        • 2.Sd6#
        • 2.Rxg5#
      • 1...Sxd7
        • 2.Se3#
        • 2.Rxg5#
      • 1...bxc2
        • 2.Sd6#
        • 2.Rxg5#
      • 1...bxa5
        • 2.Se3#
        • 2.Rxg5#
      • 1...gxh5
        • 2.Se3#
        • 2.Sd6#
      • 1...gxf4 ep!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Se3#
        • 2.Sd6#
        • 2.Sd4#
        • 2.Se7#
      • 1...Sxd7
        • 2.Se3#
        • 2.Sd4#
      • 1...bxc2
        • 2.Sd6#
        • 2.Se7#
      • 1...bxa5
        • 2.Se3#
        • 2.Se7#
      • 1...gxh5
        • 2.Sd6#
        • 2.Sd4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);
      • Threat
        • DUALS(3)
      • Refutation
        • P(c);EP,XP(C)
  • Actual
    • S(E);
    • Threat
      • DUALS(4)


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).