Problem Display
PID: 107725 (1r6/b2p3B/5Nb1/2BR1n2/4Pk2/5N1K/3P2P1/8 w - - 0 1)

Benedek, Attila

Pedagogusok Lapja, 1982

1r6/b2p3B/5Nb1/2BR1n2/4Pk2/5N1K/3P2P1/8

#2

9 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Bh5
      • 2.Rxf5#
    • 1...Bf7
      • 2.Rxf5#
    • 1...Be8
      • 2.Rxf5#
    • 1...Se3
      • 2.Bd6#
      • 2.dxe3#
    • 1...Sg3
      • 2.Bd6#
    • 1...Sd4
      • 2.Bd6#
    • 1...Sh4
      • 2.Bd6#
    • 1...Sd6
      • 2.Bxd6#
    • 1...Sh6
      • 2.Bd6#
    • 1...Se7
      • 2.Bd6#
    • 1...Sg7
      • 2.Bd6#
  • Tries
    • 1.Bxg6?
      • threat
        • 2.Rxf5#
      • 1...Se3
        • 2.Sh5#
        • 2.Bd6#
        • 2.dxe3#
      • 1...Sg3
        • 2.Bd6#
      • 1...Sd4
        • 2.Sh5#
        • 2.Bd6#
      • 1...Sh4
        • 2.Sh5#
        • 2.Bd6#
      • 1...Sd6
        • 2.Sh5#
        • 2.Bxd6#
      • 1...Sh6
        • 2.Sh5#
        • 2.Bd6#
      • 1...Se7
        • 2.Sh5#
        • 2.Bd6#
      • 1...Sg7
        • 2.Bd6#
      • 1...Rh8+!
    • 1.Re5?
      • threat
        • 2.Sd5#
      • 1...Bf7
        • 2.Rxf5#
      • 1...Se3
        • 2.dxe3#
      • 1...d5
        • 2.Sxd5#
      • 1...Se7!
  • Keys
    • 1.Rd4!
      • threat
        • 2.Sd5#
      • 1...Sxd4
        • 2.Bd6#
      • 1...Bf7
        • 2.exf5#
      • 1...Se3
        • 2.Bd6#
      • 1...Se7
        • 2.Bd6#
      • 1...d5
        • 2.Sxd5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 7
  • Sets
    • B(c);N_GUARD::R1(G),XS(b)
    • S(b);N_GUARD::B(F)
    • S(b);N_GUARD::B(F),XS(b)
  • Tries
    • Try
      • B(I);XB(c)
      • Threat
        • R1(G),XS(b)
      • Vars
        • S(b);N_GUARD::B(F)
      • Refutation
        • R(f);CHECK
    • Try
      • R(G);
      • Threat
        • S(H)
      • Vars
        • B(c);N_GUARD::R1(G),XS(b)
        • S(b);OGATE::P(A),XS(b)
        • P(e);::S(H),XP(e)
      • Refutation
        • S(b);
  • Actual
    • R(G);
    • Threat
      • S(H)
    • Vars
      • S(b);N_GUARD,XR(G)::B(F)
      • B(c);::R(G)+P(E),XS(b)
      • S(b);N_GUARD::B(F)
      • P(e);::S(H),XP(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).