MESON Chess Problem Database

Problem Display
PID: 137177 (2R4b/2B5/3P4/N1k1n1R1/2P5/2Q1N3/8/K2b4 w - - 0 1)

Kukavica, Zdenko

Liga Problemista, 1984/2

2R4b/2B5/3P4/N1k1n1R1/2P5/2Q1N3/8/K2b4

#2

9 + 4

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5?
      • threat
        • 2.Qa3#
      • 1...Sxc4
        • 2.Sg7#
      • 1...Sd3
        • 2.Bd8#
      • 1...Sf3
        • 2.Bd8#
      • 1...Sg4
        • 2.Bd8#
      • 1...Sc6
        • 2.Sb7#
      • 1...Sg6
        • 2.Bd8#
      • 1...Sd7
        • 2.Bd8#
      • 1...Sf7
        • 2.Bd8#
      • 1...Bb3!
    • 1.Qb2?
      • threat
        • 2.Bb8#
        • 2.Qb6#
      • 1...Bf3
        • 2.Qb6#
      • 1...Ba4
        • 2.Qb6#
      • 1...Bg4
        • 2.Qb6#
      • 1...Bb3!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qe3#
      • 1...Sxc4
        • 2.Sf6#
      • 1...Sd3
        • 2.Bb8#
      • 1...Sf3
        • 2.Bb8#
      • 1...Sg4
        • 2.Bb8#
      • 1...Sc6
        • 2.Sb7#
      • 1...Sg6
        • 2.Bb8#
      • 1...Sd7
        • 2.Bb8#
      • 1...Sf7
        • 2.Bb8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);N_PINS(c)
      • Threat
        • QAB(B)
      • Vars
        • S(c);P_PINQ(B),P_SPINS(c),XP(D)::R(F)+S(C)
        • S(c);N_GUARD,P_PINQ(B)::R(I)+B(H)
        • S(c);P_PINQ(B),SBLOCK::S(E)
      • Refutation
        • B(a);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAB1(B)
      • Refutation
        • B(a);
  • Actual
    • S(C);N_PINS(c)
    • Threat
      • QAB(B)
    • Vars
      • S(c);P_PINQ(B),P_SPINS(c),XP(D)::R(F)+S(C)
      • S(c);N_GUARD,P_PINQ(B)::R(I)+B(H)
      • S(c);P_PINQ(B),SBLOCK::S(E)
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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).