MESON Chess Problem Database

Problem Display
PID: 22045 (8/8/8/8/8/8/1nKBkpQ1/8 w - - 0 1)

Giobel, Bengt Rudolf

Svenska Dagbladet, 1923

8/8/8/8/8/8/1nKBkpQ1/8

#2

3 + 3

17146 Kurioses Schach 1975
102 Probleemblad 1975
17145 Svenska Miniatyrer i urval (Froberg/Hultberg) 1978
2012 Miniature Chess Problems from Many Countries 1981
17147 Problem och profiler (Giobel) 1984
17148 Asymmetrie 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qg3?
      • 1...f1Q
        • 2.Qe3#
      • 1...f1S
        • 2.Qg2#
      • 1...f1B
        • 2.Qe3#
      • 1...f1R
        • 2.Qe3#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#
      • 1...Kf1!
  • Keys
    • 1.Qh3!
      • 1...f1Q
        • 2.Qe3#
      • 1...f1S
        • 2.Qg2#
      • 1...f1B
        • 2.Qe3#
      • 1...f1R
        • 2.Qe3#
      • 1...Sd1
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sa4
        • 2.Qd3#
      • 1...Sc4
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);N_PINP(c)
      • Vars
        • P(c);SBLOCK::QAR1(C)
        • P(c);OGATEB::QAR2(C)
        • S(a);N_GUARD::QAB1(C)
        • S(a);N_GUARD::QAB1(C),XS(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);N_PINP(c)
    • Vars
      • P(c);SBLOCK::QAR1(C)
      • P(c);OGATEB::QAR2(C)
      • S(a);N_GUARD::QAB1(C)
      • S(a);N_GUARD::QAB1(C),XS(a)
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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).