MESON Chess Problem Database

Problem Display
PID: 224754 (8/3pb3/1B1k2K1/1P1ppP2/3p4/1pp5/7Q/2R5 w - - 0 1)

von Blumenburg, Otto

Wiener Hausfrauen-Zeitung, 1888

8/3pb3/1B1k2K1/1P1ppP2/3p4/1pp5/7Q/2R5

#2

6 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qa2?
      • threat
        • 2.Qa3#
      • 1...e4
        • 2.Qh2#
      • 1...bxa2!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qa3#
      • 1...cxb2
        • 2.Bc7#
      • 1...e4
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);N_PINP(e)
      • Threat
        • QAB(B)
      • Vars
        • P(e);OGATEB::QAB(B)
      • Refutation
        • P(a);XQ(B)
  • Actual
    • Q(B);N_PINP(e)
    • Threat
      • QAB(B)
    • Vars
      • P(b);XQ(B)::B(E)
      • P(e);OGATEB::QAB(B)
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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).