Problem Display
PID: 93209 (1B3n1b/3ppP1p/2Q1Pk1p/5N1P/6RP/6N1/1K6/8 w - - 0 1)

Jorgensen, Walther Martinus Johannes

2nd Prize, Arbejder-Skak, 1947

1B3n1b/3ppP1p/2Q1Pk1p/5N1P/6RP/6N1/1K6/8

#2

10 + 7


15593 170 Skakopgaver (Jorgensen) 1975
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Sxe6
      • 2.f8Q#
      • 2.f8R#
  • Keys
    • 1.Sg7!
      • threat
        • 2.Se4#
        • 2.Se8#
        • 2.Qf3#
        • 2.Qc3#
      • 1...Bxg7
        • 2.Rf4#
      • 1...Sxe6
        • 2.f8Q#
        • 2.f8R#
      • 1...dxc6
        • 2.Se4#
      • 1...dxe6
        • 2.Qf3#
      • 1...Sg6
        • 2.Se8#
      • 1...d6
        • 2.Qc3#
      • 1...d5
        • 2.Se8#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • S(f);OGATE,P_SPINS(f),XP(H)::P=Q
  • Actual
    • S(E);
    • Threat
      • DUALS(4)
    • Vars
      • B(g);SBLOCK,XS(E)::R(C)
      • S(f);OGATE,P_SPINS(f),XP(H)::P=Q
      • P(c);XQ(G)::S(B)
      • P(c);P_SPINP(c),XP(H)::QAR(G)
      • S(f);::S(E)
      • P(c);::QAB(G)
      • P(c);::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).