MESON Chess Problem Database

Problem Display
PID: 203319 (r7/8/6p1/2p3Kb/q2pB1p1/3P2QR/4NPPP/1r5k w - - 0 1)

von Gottschall, Hermann

Bohemia, 1924

r7/8/6p1/2p3Kb/q2pB1p1/3P2QR/4NPPP/1r5k

#2

9 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qb8!
      • threat
        • 2.g3#
      • 1...gxh3
        • 2.g4#
      • 1...Qc6
        • 2.Qxb1#
      • 1...Qe8
        • 2.Qxb1#
      • 1...Rg1
        • 2.Sg3#
      • 1...g3
        • 2.hxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(F);
    • Threat
      • B(H)+P(C)
    • Vars
      • P(e);OGATE,XR(G)::B(H)+P(C)
      • Q(c);N_GUARD::QAR(F),XR(a)
      • R(a);SBLOCK::S(A)
      • P(e);OGATE::R(G)+P(D),XP(e)
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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).