MESON Chess Problem Database

Problem Display
PID: 172109 (8/3p1P2/1N1P1P2/2P2k1K/4Np2/5p1p/B1p3q1/B3R1Q1 w - - 0 1)

Apro, Laszlo

4th Comm., Vizugyi Chess Club, 1982

8/3p1P2/1N1P1P2/2P2k1K/4Np2/5p1p/B1p3q1/B3R1Q1

#2

11 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Qg4#
      • 2.Qg5#
      • 2.Qg6#
    • 1...Qh1
      • 2.Qg4#
      • 2.Qg5#
      • 2.Qg6#
    • 1...Qd2
      • 2.Qg4#
      • 2.Qg5#
      • 2.Qg6#
    • 1...Qe2
      • 2.Qg6#
    • 1...Qf2
      • 2.Qg4#
      • 2.Qg5#
      • 2.Qg6#
    • 1...Qh2
      • 2.Qg4#
      • 2.Qg5#
      • 2.Qg6#
    • 1...Qg4+
      • 2.Qxg4#
    • 1...Qg5+
      • 2.Qxg5#
    • 1...Qg6+
      • 2.Qxg6#
  • Keys
    • 1.Sc8!
      • threat
        • 2.Se7#
      • 1...Qg4+
        • 2.Qxg4#
      • 1...Qg5+
        • 2.Qxg5#
      • 1...Qg6+
        • 2.Qxg6#
      • 1...Qe2
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • Q(b);OGATE::QAB1(C)
    • Q(b);CHECK,OGATE::QAB1(C),XQ(b)
    • Q(b);CHECK,OGATE::QAR1(C),XQ(b)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • Q(b);CHECK,OGATE::QAB1(C),XQ(b)
      • Q(b);CHECK,OGATE::QAR1(C),XQ(b)
      • Q(b);OGATE::QAB1(C)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).