MESON Chess Problem Database

Problem Display
PID: 69801 (5Q2/5Prp/4pR2/4rb1p/4p1pk/8/6KB/8 w - - 0 1)

Reddmann, Hauke

Die Schwalbe, 2006

5Q2/5Prp/4pR2/4rb1p/4p1pk/8/6KB/8

#2

5 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Bg3#
  • Tries
    • 1.Qxg7?
      • threat
        • 2.Bg3#
      • 1...g3
        • 2.Bxg3#
        • 2.Qxg3#
      • 1...Bg6!
  • Keys
    • 1.Qe7!
      • threat
        • 2.Rg6#
      • 1...Kg5
        • 2.Rxe6#
      • 1...Rxf7
        • 2.Rxf7#
      • 1...Rg5
        • 2.Bg3#
      • 1...Rg6
        • 2.Rxg6#
      • 1...Bg6
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(h);SBLOCK::B(B)
  • Tries
    • Try
      • Q(E);XR(h)
      • Threat
        • B(B)
      • Refutation
        • B(e);
  • Actual
    • Q(E);
    • Threat
      • QAB(E)+R(C)
    • Vars
      • K(c);S_FLIGHT::QAB(E)+R(C),XP(g)
      • R(h);OGATE,XP(D)::QAB(E)+R(C),XR(h)
      • R(h);SBLOCK::B(B)
      • R(h);::QAB(E)+R(C),XR(h)
      • B(e);S_CUTR(h)::QAB(E)+R(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).