MESON Chess Problem Database

Problem Display
PID: 43249 (3Nq3/6p1/6Q1/1N1k3P/1Pb3pR/4p2p/4p3/4K3 w - - 0 1)

Perrone, Gaspar J

1st Prize, Industrialnoje Zaporozie, 2000

3Nq3/6p1/6Q1/1N1k3P/1Pb3pR/4p2p/4p3/4K3

#2

7 + 8

145 StrateGems 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.Qf5#
    • 1...Qe4
      • 2.Qd6#
    • 1...Qe5
      • 2.Qc6#
    • 1...Qe6
      • 2.Qxe6#
    • 1...Qf8
      • 2.Qe6#
    • 1...Qg8
      • 2.Qf5#
    • 1...Qh8
      • 2.Qf5#
      • 2.Qe6#
    • 1...g3
      • 2.Qd6#
  • Keys
    • 1.Qxg4!
      • threat
        • 2.Qd4#
      • 1...Ke5
        • 2.Qg5#
      • 1...Qxd8
        • 2.Qe4#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Qe5
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • Q(h);N_GUARD::QAR2(F)
    • Q(h);SBLOCK::QAR1(F)
    • Q(h);N_GUARD,SBLOCK::QAB1(F)
    • Q(h);N_GUARD::QAB1(F),XQ(h)
    • Q(h);N_GUARD::QAB1(F)
    • P(e);::QAR1(F)
  • Actual
    • Q(F);XP(e)
    • Threat
      • QAR1(F)
    • Vars
      • K(f);P-FLIGHT::QAR2(F)
      • Q(h);N_GUARD,XS(G)::QAB1(F)
      • Q(h);N_GUARD::QAB1(F),XQ(h)
      • Q(h);SBLOCK::QAB1(F),XB(d)
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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).