MESON Chess Problem Database

Problem Display
PID: 174262 (KR6/2N5/6b1/2pp3Q/kPN5/5p1R/P1n1p1q1/2B2B2 w - - 0 1)

Buchner, Rudolf

Die Schwalbe, 1939

KR6/2N5/6b1/2pp3Q/kPN5/5p1R/P1n1p1q1/2B2B2

#2

10 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Qe8#
    • 1...Be4
      • 2.Qe8#
    • 1...Bh7
      • 2.Qe8#
    • 1...Be8
      • 2.Qxe8#
    • 1...Sa3
      • 2.Sb2#
    • 1...f2
      • 2.Sb2#
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Sc3#
      • 1...cxb4
        • 2.Sdb6#
      • 1...e1Q
        • 2.Scb6#
      • 1...e1B
        • 2.Scb6#
      • 1...Be4
        • 2.Qe8#
      • 1...f2
        • 2.Sb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • B(h);OGATE::QAB(G)
    • B(h);OGATE::QAB(G),XB(h)
    • S(a);SBLOCK::S(F)
    • P(d);::S(F)
  • Actual
    • S(H);XP(g)
    • Threat
      • S(H)
    • Vars
      • P(f);SBLOCK,XP(E)::S(H)
      • P(b);::S(F)
      • B(h);OGATE,P_PINS(H)::QAB(G)
      • P(d);P_PINS(H)::S(F)
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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).