MESON Chess Problem Database

Problem Display
PID: 252645 (1n6/1bN3p1/R2p1pq1/2N1kp1R/3pp3/8/1K1B4/3Q3B w - - 0 1)

Zorroza, Ramon

SEPA-80 JT (Problemas), 2013-2014

1n6/1bN3p1/R2p1pq1/2N1kp1R/3pp3/8/1K1B4/3Q3B

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sxa6
      • 2.Sd7#
    • 1...Sc6
      • 2.Sd7#
    • 1...Sd7
      • 2.Sxd7#
    • 1...e3
      • 2.Sd3#
    • 1...dxc5
      • 2.Re6#
    • 1...d5
      • 2.Re6#
  • Tries
    • 1.Qe1?
      • threat
        • 2.Sd3#
      • 1...Bxa6
        • 2.Qxe4#
      • 1...dxc5
        • 2.Re6#
      • 1...Qg3
        • 2.Qxg3#
      • 1...d3!
  • Keys
    • 1.Qb3!
      • threat
        • 2.Qe6#
      • 1...d3
        • 2.Qc3#
      • 1...e3
        • 2.Sd3#
      • 1...Qf7
        • 2.Qg3#
      • 1...Qe8
        • 2.Qg3#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Bc8
        • 2.Qd5#
      • 1...d5
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • S(j);N_GUARD,XR(G)::S(E)
    • S(j);N_GUARD::S(E)
    • S(j);N_GUARD::S(E),XS(j)
    • P(b);N_GUARD::S(E)
    • P(e);OGATE,XS(E)::R1(G)
    • P(e);OGATE::R1(G)
  • Tries
    • Try
      • Q(A);N_PINP(d),P_PINP(b)
      • Threat
        • S(E)
      • Vars
        • B(h);N_GUARD,XR(G)::QAR1(A),XP(b)
        • P(e);OGATE,XS(E)::R1(G)
        • Q(g);N_GUARD::QAB(A),XQ(g)
      • Refutation
        • P(a);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • P(a);OGATEB::QAB(A)
      • P(b);N_GUARD::S(E)
      • Q(g);N_GUARD::QAB(A)
      • B(h);N_GUARD::QAR1(A),XB(h)
      • B(h);N_GUARD::QAR1(A)
      • P(e);OGATE::R1(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).