Problem Display
PID: 62102 (2q5/1N4N1/2n3nr/7r/1p2k3/2PR1R2/4P2b/1B1K4 w - - 0 1)

Ahues, Herbert Siegfried Oskar

3rd Prize, Schach, 1951/II

2q5/1N4N1/2n3nr/7r/1p2k3/2PR1R2/4P2b/1B1K4

#2

8 + 8


78 Bulletin Ouvrier des Echecs 1952
45 Schach 1952
15148 Sadier Collection 2016

SOLUTION


  • SOUND
  • Sets
    • 1...Re5
      • 2.Sd6#
      • 2.Rd2#
      • 2.Rd4#
      • 2.Rd6#
      • 2.Rd7#
      • 2.Rd8#
    • 1...Be5
      • 2.Sc5#
      • 2.Rd2#
      • 2.Rd4#
      • 2.Rd6#
      • 2.Rd7#
      • 2.Rd8#
    • 1...Sce5
      • 2.Sd6#
      • 2.Rd4#
    • 1...Sf4
      • 2.Rfe3#
    • 1...Sge5
      • 2.Sc5#
      • 2.Rd4#
  • Keys
    • 1.c4!
      • threat
        • 2.Rd5#
      • 1...Ke5
        • 2.Rd5#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Sd4
        • 2.Rde3#
      • 1...Sce5
        • 2.Sd6#
      • 1...Sf4
        • 2.Rfe3#
      • 1...Sge5
        • 2.Sc5#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(f);SBLOCK::R1(F)
  • Actual
    • P(D);
    • Threat
      • B(A)+R(E)
    • Vars
      • K(c);P-FLIGHT::R1(E)
      • R(d);P_PINR(E)::B(A)+R(E),XR(d)
      • S(e);SBLOCK::B(A)+R(E),DCHECK
      • S(e);SBLOCK,S_CUTB(a)::S(G)
      • S(f);SBLOCK::R1(F)
      • S(f);SBLOCK,S_CUTR(d)::S(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).