MESON Chess Problem Database

Problem Display
PID: 246489 (8/K4b1N/4p3/Q3p3/N2pk1p1/1R2P1P1/3PBr2/3q2B1 w - - 0 1)

Zilahi, Zoltan

Sjakk-Nytt, 1948

8/K4b1N/4p3/Q3p3/N2pk1p1/1R2P1P1/3PBr2/3q2B1

#2

10 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Bd3#
    • 1...Rf3
      • 2.Bd3#
  • Tries
    • 1.Sc3+?
      • 1...Kf5
        • 2.Bd3#
      • 1...dxc3!
  • Keys
    • 1.exd4!
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Rb4#
      • 1...Kf5
        • 2.Bd3#
      • 1...exd4
        • 2.Sg5#
      • 1...Rf5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • K(d);P_SPINP(f),S_FLIGHT::B(C)
    • R(b);SBLOCK::B(C)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(d);P_SPINP(f),S_FLIGHT::B(C)
      • Refutation
        • P(c);XS(G)
  • Actual
    • P(E);XP(c)
    • Threat
      • QAR1(H),XP(f)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINR(b),XP(E)::R(D)
      • K(d);P_SPINP(f),S_FLIGHT::B(C)
      • P(f);SBLOCK,XP(E)::S(J)
      • R(b);SBLOCK::S(G)
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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).