MESON Chess Problem Database

Problem Display
PID: 175523 (1B6/5p2/1Q6/3k1b2/P7/1K1p4/8/2b1r3 w - - 0 1)

Zimmermann, Stepan

Source?, 1900

1B6/5p2/1Q6/3k1b2/P7/1K1p4/8/2b1r3

#2

4 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qd6#
    • 1...Be4
      • 2.Qd6#
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qc4#
      • 1...Kc6
        • 2.Qb5#
      • 1...Ke6
        • 2.Qd6#
      • 1...Re4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(b);SBLOCK::QAR1(C)
    • B(e);SBLOCK::QAR1(C)
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • K(d);S_FLIGHT::QAB1(C)
      • K(d);S_FLIGHT::QAR1(C)
      • R(b);SBLOCK::QAR1(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).