MESON Chess Problem Database

Problem Display
PID: 77614 (8/8/7B/1K6/Q7/6n1/3pk2N/8 w - - 0 1)

Zickermann, Albert

Neue Leipziger Zeitung, 1933

8/8/7B/1K6/Q7/6n1/3pk2N/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qc4#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qxd2#
      • 1...Kd1
        • 2.Qxd2#
      • 1...Ke1
        • 2.Qxd2#
      • 1...Kd3
        • 2.Qc4#
      • 1...d1Q
        • 2.Qe3#
      • 1...d1S
        • 2.Qd2#
      • 1...d1B
        • 2.Qd2#
        • 2.Qe3#
      • 1...d1R
        • 2.Qe3#
      • 1...Sf1
        • 2.Qxf1#
      • 1...Se4
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(B)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B),XP(a)
    • Vars
      • K(b);S_FLIGHT::QAR1(B),XP(a)
      • K(b);P-FLIGHT::QAB1(B),XP(a)
      • K(b);S_FLIGHT::QAB1(B)
      • P(a);SBLOCK::QAR1(B)
      • P(a);::QAR1(B)
      • S(c);N_GUARD::QAB1(B),XS(c)
      • S(c);N_GUARD::QAB1(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).