Problem Display
PID: 188398 (8/8/2p3K1/2Bp1pR1/2p1k1N1/2b1P1r1/2P1P1R1/8 w - - 0 1)

Liljestrand, Seth

Finn. Spalte, 1968

8/8/2p3K1/2Bp1pR1/2p1k1N1/2b1P1r1/2P1P1R1/8

#2

8 + 7


328 Schweizerische Schachzeitung 1969

SOLUTION


  • SOUND
  • Sets
    • 1...Be5
      • 2.Sf2#
    • 1...f4
      • 2.Sf2#
  • Keys
    • 1.Rxf5!
      • threat
        • 2.Rf4#
      • 1...Rxg4+
        • 2.Rxg4#
      • 1...Rxe3
        • 2.Sf2#
      • 1...Rf3
        • 2.exf3#
      • 1...Be5
        • 2.Rxe5#
      • 1...d4
        • 2.Re5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(a);SBLOCK::S(E)
    • P(f);::S(E)
  • Actual
    • R(G);P_SPINS(E),XP(f)
    • Threat
      • R1(G)
    • Vars
      • R(b);CHECK,OGATE,XS(E)::R(C),XR(b)
      • R(b);N_PINS(E),XP(D)::S(E)
      • R(b);N_PINS(E),OGATE::P(B),XR(b)
      • B(a);N_GUARD::R1(G),XB(a)
      • P(e);S_CUTB(a)::R1(G)


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).