Problem Display
PID: 210170 (1b6/2n5/qp6/p4p1P/4Nk1K/2Bp3P/bn6/4R1N1 w - - 0 1)

Apro, Laszlo

Springaren, 1988

1b6/2n5/qp6/p4p1P/4Nk1K/2Bp3P/bn6/4R1N1

#2

7 + 10


SOLUTION


  • SOUND
  • Tries
    • 1.Sf2?
      • threat
        • 2.Bd2#
        • 2.Be5#
      • 1...Qb5
        • 2.Bd2#
      • 1...Sd1
        • 2.Be5#
      • 1...Sc4
        • 2.Sxd3#
      • 1...Sb5
        • 2.Bd2#
      • 1...Se6
        • 2.Bd2#
      • 1...Sa8
        • 2.Bd2#
      • 1...Se8
        • 2.Bd2#
      • 1...d2
        • 2.Bxd2#
        • 2.Be5#
      • 1...Sd5!
    • 1.Sg5?
      • threat
        • 2.Bd2#
        • 2.Be5#
      • 1...Qb5
        • 2.Bd2#
      • 1...Sd1
        • 2.Be5#
      • 1...Sb5
        • 2.Bd2#
      • 1...Sd5
        • 2.Se6#
      • 1...Se6
        • 2.Bd2#
      • 1...Sa8
        • 2.Bd2#
      • 1...Se8
        • 2.Bd2#
      • 1...d2
        • 2.Bxd2#
        • 2.Be5#
      • 1...Sc4!
    • 1.Sd6?
      • threat
        • 2.Bd2#
        • 2.Be5#
      • 1...Qb5
        • 2.Bd2#
      • 1...Sd1
        • 2.Be5#
      • 1...Sd5
        • 2.Be5#
      • 1...d2
        • 2.Bxd2#
        • 2.Be5#
      • 1...Sc4!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Bd2#
        • 2.Be5#
      • 1...Sc4
        • 2.Sxd3#
      • 1...Sd1
        • 2.Be5#
      • 1...Sb5
        • 2.Bd2#
      • 1...Sd5
        • 2.Se6#
      • 1...Se6
        • 2.Bd2#
      • 1...Sa8
        • 2.Bd2#
      • 1...Se8
        • 2.Bd2#
      • 1...d2
        • 2.Bxd2#
        • 2.Be5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);::B(C)
        • S(b);::B(C)
        • S(b);N_GUARD,S_CUTQ(g)::S(E),XP(c)
        • S(i);::B(C)
      • Refutation
        • S(i);
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);::B(C)
        • S(b);::B(C)
        • S(i);::B(C)
        • S(i);N_GUARD,S_CUTB(a)::S(E)
      • Refutation
        • S(b);
    • Try
      • S(E);
      • Threat
        • DUALS(2)
      • Vars
        • Q(g);::B(C)
        • S(b);::B(C)
        • S(i);::B(C)
      • Refutation
        • S(b);
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • S(b);N_GUARD,S_CUTQ(g)::S(E),XP(c)
      • S(b);::B(C)
      • S(i);::B(C)
      • S(i);N_GUARD,S_CUTB(a)::S(E)


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).