MESON Chess Problem Database

Problem Display
PID: 134990 (5BR1/p3pr1b/5P2/Q1p1P1pr/p3PkNN/q1pp3p/1b5K/6RB w - - 0 1)

Azhusin, Aleksandr Aleksandrovich

Feoktistov, Aleksandr Fedorovich

3rd Prize, Latvian Championship, 2008

5BR1/p3pr1b/5P2/Q1p1P1pr/p3PkNN/q1pp3p/1b5K/6RB

#2

11 + 14

102 Probleemblad 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg6
      • 2.Sxg6#
    • 1...Bxg8
      • 2.Sg6#
    • 1...c2
      • 2.Qd2#
    • 1...gxh4
      • 2.Rf1#
  • Tries
    • 1.Qxc5?
      • threat
        • 2.Qf2#
        • 2.Qe3#
      • 1...Bxe4
        • 2.Qe3#
      • 1...Bc1
        • 2.Qf2#
      • 1...Qxc5!
  • Keys
    • 1.e6!
      • threat
        • 2.Qc7#
      • 1...gxh4
        • 2.Rf1#
      • 1...exf6
        • 2.Bd6#
      • 1...c2
        • 2.Qd2#
      • 1...c4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(n);N_GUARD::S(F),XB(n)
    • B(n);N_GUARD,XR(K)::S(F)
    • P(c);OGATE::QAB(G)
    • P(i);XS(F)::R(A)
  • Tries
    • Try
      • Q(G);XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • B(n);XP(D)::QAB1(G)
        • B(a);::QAR2(G)
      • Refutation
        • Q(b);XQ(G)
  • Actual
    • P(H);
    • Threat
      • QAB(G)
    • Vars
      • P(i);XS(F)::R(A)
      • P(l);OGATE,XP(I)::B(J)
      • P(c);OGATE::QAB(G)
      • P(h);OGATE::QAB1(G)
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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).