MESON Chess Problem Database

Problem Display
PID: 68179 (3K1n2/2p1Q1N1/2pPpP2/1p1k4/1P1rNRr1/2B5/1PP5/7B w - - 0 1)

Subotic, Miroslav

Probleemblad, 1998

3K1n2/2p1Q1N1/2pPpP2/1p1k4/1P1rNRr1/2B5/1PP5/7B

#2

12 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Sd2#
    • 1...Ke5
      • 2.Rf5#
    • 1...Sg6
      • 2.Qxe6#
    • 1...Sd7
      • 2.Qxe6#
    • 1...Sh7
      • 2.Qxe6#
  • Tries
    • 1.Sd2+?
      • 1...Ke5
        • 2.Rf5#
      • 1...Re4
        • 2.Bxe4#
      • 1...Rg2!
    • 1.d7?
      • threat
        • 2.Qc5#
      • 1...Kc4
        • 2.Sd2#
        • 2.Qc5#
      • 1...Ke5
        • 2.Rf5#
      • 1...Sxd7
        • 2.Qxe6#
      • 1...c5
        • 2.Qxc5#
      • 1...Rc4!
  • Keys
    • 1.dxc7!
      • threat
        • 2.Qc5#
      • 1...Kc4+
        • 2.Sd6#
      • 1...Ke5+
        • 2.Qd6#
      • 1...c5
        • 2.Qxc5#
      • 1...Rc4
        • 2.Qd6#
      • 1...Sd7
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(d);P_PINP(H),S_FLIGHT::S(F)
    • K(d);P-FLIGHT,P_PINP(H),P_SPINP(f),P_SPINR(a)::R1(G)
    • S(h);N_GUARD::QAB1(J),XP(f)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(d);P-FLIGHT,P_PINP(H),P_SPINP(f),P_SPINR(a)::R1(G)
        • R(a);N_GUARD,P_SPINR(a)::B(A),XR(a)
      • Refutation
        • R(b);P_SPINR(b)
    • Try
      • P(H);
      • Threat
        • QAR1(J)
      • Vars
        • K(d);P-FLIGHT,P_PINP(H),P_SPINP(f),P_SPINR(a)::R1(G)
        • S(h);N_GUARD,XP(H)::QAB1(J),XP(f)
        • P(e);::QAR1(J),XP(e)
      • Refutation
        • R(a);
  • Actual
    • P(H);XP(g)
    • Threat
      • QAR1(J)
    • Vars
      • K(d);CHECK,S_FLIGHT::S(F)
      • K(d);CHECK,P-FLIGHT,P_SPINP(f),P_SPINR(a)::QAB1(J)
      • P(e);::QAR1(J),XP(e)
      • R(a);SBLOCK::QAR1(J)
      • S(h);N_GUARD::QAB1(J),XP(f)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).