MESON Chess Problem Database

Problem Display
PID: 270595 (1r6/1Q6/N7/b2p4/2bN4/2k5/2B2P2/1nK5 w - - 0 1)

Mlynka, Karol

Vokal, Stanislav

Sachova skladba, 2022

1r6/1Q6/N7/b2p4/2bN4/2k5/2B2P2/1nK5

#2

6 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qg7#
    • 1...Ra8
      • 2.Qb2#
    • 1...Rc8
      • 2.Qb2#
    • 1...Rd8
      • 2.Qb2#
    • 1...Re8
      • 2.Qb2#
    • 1...Rf8
      • 2.Qb2#
    • 1...Rg8
      • 2.Qb2#
    • 1...Rh8
      • 2.Qb2#
  • Tries
    • 1.Qc7?
      • threat
        • 2.Se2#
      • 1...Kxd4
        • 2.Qg7#
      • 1...Re8
        • 2.Sb5#
      • 1...Bxc7!
  • Keys
    • 1.Qc6!
      • threat
        • 2.Se2#
      • 1...Kxd4
        • 2.Qf6#
      • 1...Re8
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 6
  • Sets
    • K(b);OGATEB,S_FLIGHT,XS(D)::QAB(F)
    • R(f);N_GUARD::QAB1(F)
  • Tries
    • Try
      • Q(F);P_PINB(c)
      • Threat
        • S(D)
      • Vars
        • K(b);N_SPINB(c),OGATEB,S_FLIGHT,XS(D)::QAB(F)
        • R(f);N_GUARD::S(D)
      • Refutation
        • B(d);N_SPINB(c),XQ(F)
  • Actual
    • Q(F);P_PINB(c)
    • Threat
      • S(D)
    • Vars
      • K(b);N_SPINB(c),OGATEB,S_FLIGHT,XS(D)::QAB(F)
      • R(f);N_GUARD::S(D)
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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).