MESON Chess Problem Database

Problem Display
PID: 15211 (2B1brrq/3n1ppp/3pkP1R/3p3R/3K1p2/5N2/3QP3/8 w - - 0 1)

Hoffmann, Peter

Die Schwalbe, 1981

2B1brrq/3n1ppp/3pkP1R/3p3R/3K1p2/5N2/3QP3/8

#2

8 + 12

SOLUTION

  • SOUND
  • Keys
    • 1.Qxf4!
      • threat
        • 2.Sg5#
        • 2.Qe3#
        • 2.Qg4#
        • 2.Qf5#
      • 1...gxf6
        • 2.Qe3#
      • 1...gxh6
        • 2.Qf5#
      • 1...g5
        • 2.Qg4#
      • 1...g6
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);XP(a)
    • Threat
      • DUALS(4)
    • Vars
      • P(g);P_SPINP(g),XP(F)::QAR(A)
      • P(g);P_PINP(F),XR(G)::QAB1(A)
      • P(g);P_PINP(F)::QAB(A)
      • P(g);P_PINP(F)::S(C)
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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).