MESON Chess Problem Database

Problem Display
PID: 40140 (6br/1P6/K1k2p1R/pp1N1P1B/1B1p1n2/3NnP2/2P1r2b/Q7 w - - 0 1)

Lindner, Laszlo

2nd Prize, Radio Ujsag, 1937/II

6br/1P6/K1k2p1R/pp1N1P1B/1B1p1n2/3NnP2/2P1r2b/Q7

#2

11 + 11

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Tries
    • 1.b8Q?
      • threat
        • 2.Qd6#
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Kxd5
        • 2.Qxb5#
      • 1...Kd7
        • 2.Be8#
        • 2.Qc7#
        • 2.Qe8#
      • 1...Bxd5
        • 2.Se5#
        • 2.Qd6#
        • 2.Qb7#
      • 1...Sexd5
        • 2.Qd6#
        • 2.Qb7#
      • 1...Sxf5
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Sxd3
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Sfxd5
        • 2.Be8#
        • 2.Qb7#
      • 1...Sxh5
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Rh7
        • 2.Qd6#
        • 2.Qxb5#
      • 1...Sc4
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Sfg2
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Sh3
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Se6
        • 2.Qxb5#
        • 2.Qb7#
      • 1...Sg6
        • 2.Qxb5#
        • 2.Qb7#
      • 1...axb4!
  • Keys
    • 1.Qxa5!
      • threat
        • 2.Qxb5#
      • 1...Kxd5
        • 2.Qxb5#
      • 1...Kd7
        • 2.Qc7#
      • 1...Bxd5
        • 2.Se5#
      • 1...Sexd5
        • 2.b8S#
      • 1...Sfxd5
        • 2.Be8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(K);
      • Threat
        • DUALS(3)
      • Vars
        • K(h);N_SPINP(i),S_FLIGHT,XS(F)::QAR2(K),XP(g)
      • Refutation
        • P(f);XB(E)
  • Actual
    • Q(A);XP(f)
    • Threat
      • QAB1(A),XP(g)
    • Vars
      • K(h);N_SPINP(i),P_SPINP(g),S_FLIGHT,XS(F)::QAR2(A),XP(g)
      • K(h);N_SPINP(i),S_FLIGHT::QAR1(A)
      • B(j);SBLOCK,XS(F)::S(C)
      • S(c);SBLOCK,XS(F)::P=S
      • S(e);SBLOCK,XS(F)::B(H)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).