MESON Chess Problem Database

Problem Display
PID: 273914 (2q1R3/8/2p1r3/1N1pr3/Rn1bkNP1/4P3/2n1P2B/2Q4K w - - 0 1)

Petrovic, Djordje

Probleemblad, 1952

2q1R3/8/2p1r3/1N1pr3/Rn1bkNP1/4P3/2n1P2B/2Q4K

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Sxd6#
    • 1...Re7
      • 2.Sd6#
    • 1...Rxe8
      • 2.Sd6#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Bxe3
      • 2.Qxc2#
    • 1...Bc5
      • 2.Sc3#
    • 1...Bb6
      • 2.Sc3#
    • 1...Ba7
      • 2.Sc3#
    • 1...Sd3
      • 2.Sc3#
    • 1...Sa6
      • 2.Sc3#
  • Tries
    • 1.Sh5?
      • threat
        • 2.Sg3#
      • 1...Rxh5
        • 2.Sd6#
      • 1...Bxe3
        • 2.Qxc2#
      • 1...Rf5
        • 2.Sd6#
      • 1...Rg5
        • 2.Sd6#
      • 1...Sxe3!
  • Keys
    • 1.Sh3!
      • threat
        • 2.Sf2#
      • 1...Bxe3
        • 2.Qxc2#
      • 1...Rf5
        • 2.Sd6#
      • 1...Rf6
        • 2.Sg5#
      • 1...Sd3
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • R(h);N_GUARD,P_SPINR(f)::S(I),XR(h)
    • R(h);N_GUARD::S(I)
    • R(h);N_GUARD,XR(J)::S(I)
    • B(c);N_GUARD,P_SPINS(b)::S(I),XB(c)
    • B(c);P_SPINS(b),SBLOCK,XP(E)::QAB(A),XS(a)
    • B(c);N_GUARD,P_SPINS(b)::S(I)
    • S(b);P_SPINB(c)::S(I)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • R(f);P_PINB(D),P_SPINR(h),XS(G)::S(I)
        • B(c);P_SPINS(b),SBLOCK,XP(E)::QAB(A),XS(a)
        • R(f);P_SPINR(h)::S(I)
      • Refutation
        • S(a);XP(E)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • B(c);P_SPINS(b),SBLOCK,XP(E)::QAB(A),XS(a)
      • R(f);P_SPINR(h)::S(I)
      • R(h);P_SPINR(f)::S(G)
      • S(b);P_SPINB(c)::S(I)
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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).