Problem Display
PID: 256003 (b5r1/8/B1R2nQ1/3r4/1PNk4/2Np2b1/3P2K1/8 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Berliner Morgenpost, 1966

b5r1/8/B1R2nQ1/3r4/1PNk4/2Np2b1/3P2K1/8

#2

8 + 7


15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION


  • SOUND
  • Sets
    • 1...Se4
      • 2.Qxe4#
    • 1...Sg4
      • 2.Qe4#
    • 1...Sh5
      • 2.Qe4#
    • 1...Sd7
      • 2.Qe4#
    • 1...Sh7
      • 2.Qe4#
    • 1...Se8
      • 2.Qe4#
  • Keys
    • 1.Se5!
      • threat
        • 2.Sf3#
      • 1...Kxe5
        • 2.Qxf6#
      • 1...Rxe5
        • 2.Qxd3#
      • 1...Bxe5
        • 2.Rc4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • S(e);N_GUARD::QAR1(H),XS(e)
    • S(e);N_GUARD::QAR1(H)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XS(E)::QAB1(H),XS(e)
      • R(d);P_PINR(G),SBLOCK,XS(E)::QAR1(H),XP(a)
      • B(b);P_PINQ(H),SBLOCK,XS(E)::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).