Problem Display
PID: 169070 (2nN1k2/2Nn4/3P2RK/8/8/B7/8/8 w - - 0 1)

Kapustin, Fedor Mikhailovich

Novitski, Petr Adrinovich

6th Place, SuperProblem 004. TT, 2012

2nN1k2/2Nn4/3P2RK/8/8/B7/8/8

#2

6 + 3


6490 yacpdb 2018

SOLUTION


  • SOUND
  • Sets
    • 1...Sxd6
      • 2.Bxd6#
    • 1...Se7
      • 2.dxe7#
  • Keys
    • 1.Kh7!
      • threat
        • 2.Rg8#
      • 1...Sf6+
        • 2.Rxf6#
      • 1...Sxd6
        • 2.Bxd6#
      • 1...Se7
        • 2.dxe7#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,P_SPINS(b),XP(B)::B(A),XS(b)
    • S(b);OGATE::P(B),XS(b)
  • Actual
    • K(D);P-FLIGHT
    • Threat
      • R1(C)
    • Vars
      • S(a);CHECK,N_GUARD::R(C),XS(a)
      • S(b);OGATE,P_SPINS(b),XP(B)::B(A),XS(b)
      • S(b);OGATE::P(B),XS(b)


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).