MESON Chess Problem Database

Problem Display
PID: 204982 (1N1n1K2/8/B3p3/1Nk5/2p1P3/2Bppp2/3r4/7Q w - - 0 1)

Dikusarov, Andrey Nikolayovich

Sachova skladba, 2014

1N1n1K2/8/B3p3/1Nk5/2p1P3/2Bppp2/3r4/7Q

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Sc6
      • 2.Sd7#
  • Tries
    • 1.Qh6?
      • threat
        • 2.Qxe3#
      • 1...Kb6
        • 2.Qxe3#
      • 1...Sc6
        • 2.Sd7#
      • 1...e2
        • 2.Qe3#
      • 1...Re2!
    • 1.Qh7?
      • threat
        • 2.Qa7#
      • 1...Kb6
        • 2.Qa7#
        • 2.Qc7#
      • 1...Sc6
        • 2.Sd7#
      • 1...Sb7
        • 2.Qc7#
      • 1...Sf7!
    • 1.Qh8?
      • threat
        • 2.Qd4#
      • 1...Kb6
        • 2.Qd4#
      • 1...Sc6
        • 2.Sd7#
      • 1...e5!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qxe3#
      • 1...Kb6
        • 2.Qxe3#
      • 1...Re2
        • 2.Bd4#
      • 1...Sc6
        • 2.Sd7#
      • 1...e2
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(h);SBLOCK::S(F)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB(A),XP(c)
      • Vars
        • K(f);P_SPINP(g),S_FLIGHT::QAB(A),XP(c)
        • S(h);SBLOCK::S(F)
        • P(c);::QAB(A)
      • Refutation
        • R(a);
    • Try
      • Q(A);
      • Threat
        • QAB(A)
      • Vars
        • S(h);SBLOCK::S(F)
        • S(h);N_GUARD::QAR2(A)
      • Refutation
        • S(h);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(f);S_FLIGHT::QAB(A)
        • S(h);SBLOCK::S(F)
      • Refutation
        • P(g);
  • Actual
    • Q(A);
    • Threat
      • QAB(A),XP(c)
    • Vars
      • K(f);S_FLIGHT::QAB(A),XP(c)
      • R(a);::B(B)
      • S(h);SBLOCK::S(F)
      • P(c);OGATEB::QAB(A)
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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).