MESON Chess Problem Database

Problem Display
PID: 230747 (8/7p/2P5/5k2/3Qp2K/8/3B4/8 w - - 0 1)

Riczu, Lajos

Deutsche Schachzeitung, 1982

8/7p/2P5/5k2/3Qp2K/8/3B4/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Bc3!
      • threat
        • 2.Qf6#
      • 1...Kf4
        • 2.Qf2#
      • 1...Ke6
        • 2.Qd7#
      • 1...Kg6
        • 2.Qf6#
      • 1...e3
        • 2.Qg4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(A);
    • Threat
      • QAR1(B)
    • Vars
      • K(b);P-FLIGHT,P_SPINP(a)::QAR2(B)
      • K(b);S_FLIGHT::QAB1(B)
      • K(b);S_FLIGHT::QAR1(B)
      • P(a);OGATE::QAB1(B)
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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).