MESON Chess Problem Database

Problem Display
PID: 149424 (k7/p1K5/2p5/1P6/8/8/6b1/6Q1 w - - 0 1)

Aliev, Ilham

Azerbaijan Miniature Ty., 2007

k7/p1K5/2p5/1P6/8/8/6b1/6Q1

#2

3 + 4

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qg8#
    • 1...Bh1
      • 2.Qg8#
    • 1...Bf3
      • 2.Qg8#
    • 1...Be4
      • 2.Qg8#
    • 1...cxb5
      • 2.Qxg2#
    • 1...c5
      • 2.Qxg2#
  • Tries
    • 1.Qb6?
      • threat
        • 2.Qb7#
        • 2.Qb8#
      • 1...cxb5
        • 2.Qb8#
      • 1...c5
        • 2.Qb8#
      • 1...axb6!
  • Keys
    • 1.b6!
      • threat
        • 2.b7#
      • 1...axb6
        • 2.Qa1#
      • 1...c5
        • 2.Qxg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(a);OGATE::QAR(A)
    • P(b);OGATEB,XP(B)::QAB(A),XB(a)
    • P(b);OGATEB::QAB(A),XB(a)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);XP(B)::QAR1(A)
        • P(b);::QAR1(A)
      • Refutation
        • P(c);XQ(A)
  • Actual
    • P(B);
    • Threat
      • P(B)
    • Vars
      • P(c);OGATEB,XP(B)::QAB(A)
      • P(b);OGATEB::QAB(A),XB(a)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).