MESON Chess Problem Database

Problem Display
PID: 140747 (1b6/1n6/np4K1/R2p2BQ/RN2kPp1/1rp3p1/4PqP1/1b1N4 w - - 0 1)

Kantorowicz, Bruno

Probleemblad, 1976

1b6/1n6/np4K1/R2p2BQ/RN2kPp1/1rp3p1/4PqP1/1b1N4

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4+
      • 2.Sc2#
  • Tries
    • 1.Bh6?
      • threat
        • 2.Qxd5#
      • 1...Kd4+
        • 2.Sc2#
      • 1...Qd4
        • 2.Qf5#
      • 1...Be5
        • 2.Qxe5#
      • 1...Sc7
        • 2.Qe5#
      • 1...d4
        • 2.Qd5#
        • 2.Qf5#
      • 1...Qc5!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Qf5#
      • 1...Kxf4+
        • 2.Sd3#
      • 1...Qxf4
        • 2.Qxd5#
      • 1...Be5
        • 2.Qxe5#
      • 1...Sd6
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • K(f);CHECK,P-FLIGHT::R(D)+S(E),DCHECK
  • Tries
    • Try
      • B(H);
      • Threat
        • QAB1(I),XP(h)
      • Vars
        • K(f);CHECK,P-FLIGHT::R(D)+S(E),DCHECK
        • Q(b);SBLOCK::QAB1(I)
        • B(l);N_GUARD::QAR1(I),XB(l)
        • S(i);S_CUTB(l)::QAR1(I)
      • Refutation
        • Q(b);
  • Actual
    • B(H);
    • Threat
      • QAB1(I)
    • Vars
      • K(f);CHECK,P-FLIGHT,XP(F)::R(D)+S(E),DCHECK
      • Q(b);SBLOCK,XP(F)::QAB1(I),XP(h)
      • B(l);N_GUARD::QAR1(I),XB(l)
      • S(k);S_CUTB(l)::QAR1(I)
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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).