MESON Chess Problem Database

Problem Display
PID: 95034 (6nb/8/B1pBp3/1p1kP3/3p2p1/3P1pQ1/8/7K w - - 0 1)

Semrinec, Marian

Pravda, 2002

6nb/8/B1pBp3/1p1kP3/3p2p1/3P1pQ1/8/7K

#2

6 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe5
      • 2.Qxe5#
    • 1...f2
      • 2.Qg2#
    • 1...b4
      • 2.Bc4#
    • 1...c5
      • 2.Bb7#
  • Tries
    • 1.Qe1?
      • threat
        • 2.Qe4#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Sf6!
    • 1.Qf2?
      • threat
        • 2.Qa2#
      • 1...c5
        • 2.Bb7#
      • 1...b4
        • 2.Bc4#
      • 1...Bxe5!
    • 1.Qf4?
      • threat
        • 2.Qe4#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...Sf6!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qa2#
      • 1...Bxe5
        • 2.Qxe5#
      • 1...c5
        • 2.Bb7#
      • 1...f2
        • 2.Qg2#
      • 1...b4
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(i);OGATE,XP(D)::QAR1(C),XB(i)
    • P(a);OGATEB::QAB(C)
    • P(d);OGATE::B(E)
    • P(f);OGATEB::B(E)
  • Tries
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • B(i);OGATE,XP(D)::QAR1(C),XB(i)
      • Refutation
        • S(h);
    • Try
      • Q(C);
      • Threat
        • QAB(C)
      • Vars
        • P(f);OGATEB::B(E)
        • P(d);OGATE::B(E)
      • Refutation
        • B(i);XP(D)
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • B(i);OGATE,XP(D)::QAR1(C),XB(i)
      • Refutation
        • S(h);
  • Actual
    • Q(C);
    • Threat
      • QAB(C)
    • Vars
      • B(i);OGATE,XP(D)::QAR1(C),XB(i)
      • P(f);OGATEB::B(E)
      • P(a);OGATEB::QAB(C)
      • P(d);OGATE::B(E)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).