MESON Chess Problem Database

Problem Display
PID: 17405 (1R1rN3/8/8/2n1Qp1K/pNkn4/B6R/4P3/2r5 w - - 0 1)

Buchwald, Julius

5th Prize, Oakhurst Home News, 1946

1R1rN3/8/8/2n1Qp1K/pNkn4/B6R/4P3/2r5

#2

8 + 7

14773 The Best American Chess Problems of 1946 1948

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Qxd5#
    • 1...Rd6
      • 2.Sxd6#
    • 1...Rxb8
      • 2.Sd6#
    • 1...Rc8
      • 2.Sd6#
      • 2.Qd5#
    • 1...Rxe8
      • 2.Qd5#
    • 1...Sc2
      • 2.Rc3#
      • 2.Qc3#
    • 1...Sd7
      • 2.Sd6#
      • 2.Qd5#
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rb4#
      • 1...Rxb8
        • 2.Sd6#
      • 1...Sb7
        • 2.Sb6#
      • 1...Sa6
        • 2.Sb6#
      • 1...Rb1
        • 2.Rc3#
      • 1...Sc2
        • 2.Rc3#
      • 1...Sb5
        • 2.Sb6#
      • 1...Sc6
        • 2.Se3#
      • 1...Scb3
        • 2.Sb6#
      • 1...Sd3
        • 2.exd3#
      • 1...Se4
        • 2.Sb6#
      • 1...Sce6
        • 2.Sb6#
      • 1...Sd7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 3
  • Sets
    • R(g);N_GUARD::QAB1(E),XR(g)
    • R(g);N_GUARD::S(H),XR(g)
    • R(g);N_GUARD,XR(G)::S(H)
    • R(g);N_GUARD,XS(H)::QAB1(E)
  • Actual
    • S(D);
    • Threat
      • R1(G)
    • Vars
      • R(g);N_GUARD,XR(G)::S(H)
      • S(e);::S(D)
      • R(a);N_GUARD::R1(C)
      • S(d);S_CUTR(a)::R1(C)
      • S(d);SBLOCK::S(D)
      • S(d);::S(D)
      • S(e);OGATE::P(A),XS(e)
      • S(e);S_CUTR(g)::S(H)
HTML5 logo

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).