MESON Chess Problem Database

Problem Display
PID: 205128 (3k1bb1/1p4n1/1p1P1qn1/2R1R1B1/B7/8/8/K4Q2 w - - 0 1)

Boser, Josef

Badische Neueste Nachrichten, 1985

3k1bb1/1p4n1/1p1P1qn1/2R1R1B1/B7/8/8/K4Q2

#2

7 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qd7#
        • 2.Qxb6#
      • 1...Bxd6
        • 2.Qd7#
      • 1...Sxe5
        • 2.Qxb6#
      • 1...bxc5
        • 2.Qd7#
      • 1...Be6
        • 2.Qxb6#
      • 1...Se6
        • 2.Qd7#
        • 2.Qe8#
      • 1...Se8
        • 2.Qd7#
        • 2.Qxe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • B(g);XP(G)::QAR1(B)
      • S(c);XR(E)::QAB(B),XP(a)
      • P(a);XR(D)::QAR1(B)
      • B(h);::QAB(B),XP(a)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).