MESON Chess Problem Database

Problem Display
PID: 28752 (8/6N1/5Q1n/8/4k3/1N6/2nK4/8 w - - 0 1)

Neyndorff, Luke

StrateGems, 2001

8/6N1/5Q1n/8/4k3/1N6/2nK4/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Qe6#
    • 1...Sg4
      • 2.Qf5#
    • 1...Sf5
      • 2.Qxf5#
    • 1...Sf7
      • 2.Qf5#
    • 1...Sg8
      • 2.Qf5#
  • Keys
    • 1.Ke2!
      • 1...Sd4+
        • 2.Qxd4#
      • 1...Kd5
        • 2.Qe6#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sa1
        • 2.Qd4#
      • 1...Se1
        • 2.Qd4#
      • 1...Sa3
        • 2.Qd4#
      • 1...Se3
        • 2.Qd4#
      • 1...Sb4
        • 2.Qd4#
      • 1...Sg4
        • 2.Qf5#
      • 1...Sf7
        • 2.Qf5#
      • 1...Sg8
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::QAB1(C)
    • S(c);N_GUARD::QAB1(C)
    • S(c);N_GUARD::QAB1(C),XS(c)
  • Actual
    • K(A);P-FLIGHT
    • Vars
      • S(a);CHECK,N_GUARD::QAR1(C),XS(a)
      • K(b);S_FLIGHT::QAB1(C)
      • S(c);N_GUARD::QAB1(C),XS(c)
      • S(a);N_GUARD::QAR1(C)
      • S(c);N_GUARD::QAB1(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).