MESON Chess Problem Database

Problem Display
PID: 7282 (1Q6/P7/8/8/6Pp/3R1p1q/3K1kPp/4N2R w - - 0 1)

Velimirovic, Milan

3rd HM., Netanya (Internet), 1999

1Q6/P7/8/8/6Pp/3R1p1q/3K1kPp/4N2R

#2

8 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Qg3
      • 2.Qb6#
  • Keys
    • 1.Qxh2!
      • threat
        • 2.gxh3#
      • 1...Qxg2
        • 2.Rxf3#
      • 1...Qxg4
        • 2.g3#
      • 1...Qxh2
        • 2.Rxf3#
      • 1...fxg2
        • 2.Qg1#
      • 1...Qg3
        • 2.Qg1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • Q(d);SBLOCK::QAB(H)
  • Actual
    • Q(H);XP(b)
    • Threat
      • QAR(H)+P(D),XQ(d)
    • Vars
      • Q(d);N_GUARD,P_SPINQ(d),XP(D)::R1(E),XP(c)
      • Q(d);N_GUARD,XP(F)::QAR(H)+P(D)
      • Q(d);N_GUARD,XQ(H)::R1(E),XP(c)
      • P(c);P_SPINP(c),XP(D)::QAB1(H)
      • Q(d);SBLOCK::QAB1(H)
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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).