MESON Chess Problem Database

Problem Display
PID: 46172 (2N1Q1b1/2p4p/5PRP/3p1kn1/8/3K3p/4P2B/2b2NR1 w - - 0 1)

Radovic, Srecko

4th HM., The Problemist, 2002/II

2N1Q1b1/2p4p/5PRP/3p1kn1/8/3K3p/4P2B/2b2NR1

#2

10 + 8

56 The Problemist 2006

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Se3#
      • 2.R1xg5#
    • 1...Ba3
      • 2.Se3#
      • 2.R1xg5#
    • 1...Be3
      • 2.Sxe3#
    • 1...Be6
      • 2.Se7#
    • 1...Se4
      • 2.Qe5#
    • 1...Se6
      • 2.Se7#
    • 1...Sf7
      • 2.Qd7#
    • 1...c5
      • 2.Sd6#
    • 1...c6
      • 2.Sd6#
    • 1...hxg6
      • 2.Qe5#
  • Tries
    • 1.R6xg5+?
      • 1...Kxf6
        • 2.Be5#
        • 2.Qe7#
      • 1...Bxg5!
    • 1.Qd7+?
      • 1...Be6
        • 2.Se7#
      • 1...Se6
        • 2.Se7#
        • 2.Qxd5#
      • 1...Kxg6!
    • 1.e4+?
      • 1...Sxe4
        • 2.Qe5#
      • 1...dxe4+!
  • Keys
    • 1.e3!
      • threat
        • 2.R1xg5#
      • 1...Bxe3
        • 2.Sxe3#
      • 1...hxg6
        • 2.Qe5#
      • 1...Sf3
        • 2.Sg3#
      • 1...Se4
        • 2.Qe5#
      • 1...Se6
        • 2.Se7#
      • 1...Sf7
        • 2.Qd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(a);N_GUARD::S(A),XB(a)
    • B(h);SBLOCK::S(I)
    • S(e);::QAR1(J)
    • S(e);SBLOCK::S(I)
    • S(e);N_GUARD,S_CUTB(h)::QAB(J)
    • P(f);N_GUARD::S(I)
    • P(g);SBLOCK,XR(G)::QAR1(J)
  • Tries
    • Try
      • R(G);CHECK,XS(e)
      • Refutation
        • B(a);XR(G)
    • Try
      • Q(J);CHECK
      • Vars
        • B(h);P_SPINB(h)::S(I)
      • Refutation
        • K(d);P_SPINS(e),S_FLIGHT,XR(G)
    • Try
      • P(C);CHECK
      • Vars
        • S(e);XP(C)::QAR1(J)
      • Refutation
        • P(c);CHECK,XP(C)
  • Actual
    • P(C);
    • Threat
      • R1(B),XS(e)
    • Vars
      • B(a);XP(C)::S(A),XB(a)
      • P(g);SBLOCK,XR(G)::QAR1(J)
      • S(e);::S(A)
      • S(e);::QAR1(J)
      • S(e);SBLOCK::S(I)
      • S(e);N_GUARD,S_CUTB(h)::QAB(J)
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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).