MESON Chess Problem Database

Problem Display
PID: 210915 (3N2b1/2BNn1k1/3n2p1/3B4/K4p2/7R/8/6bQ w - - 0 1)

Mehner, Heinrich

Badische Neueste Nachrichten, 1979

3N2b1/2BNn1k1/3n2p1/3B4/K4p2/7R/8/6bQ

#2

7 + 7

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qa1#
    • 1...Bh7
      • 2.Rxh7#
    • 1...Sb5
      • 2.Be5#
    • 1...Sdf5
      • 2.Be5#
    • 1...Sb7
      • 2.Be5#
    • 1...Sf7
      • 2.Se6#
    • 1...Sdc8
      • 2.Be5#
  • Keys
    • 1.Rh8!
      • threat
        • 2.Qh6#
      • 1...Bh2
        • 2.Qa1#
      • 1...Bh7
        • 2.Rxh7#
        • 2.Qxh7#
      • 1...Sdf5
        • 2.Be5#
      • 1...Sf7
        • 2.Se6#
      • 1...Sef5
        • 2.Rxg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • B(a);OGATE::QAB(A)
    • B(g);N_GUARD::R1(B),XB(g)
    • S(c);OGATE::B(E)
    • S(c);SBLOCK,S_CUTB(g)::S(G)
  • Actual
    • R(B);
    • Threat
      • QAB1(A)
    • Vars
      • B(a);OGATE::QAB(A)
      • S(c);OGATE::B(E)
      • S(c);SBLOCK,S_CUTB(g)::S(G)
      • S(e);N_GUARD::R1(B),XB(g)
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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).