Problem Display
PID: 157138 (r3k2r/3ppn1R/5B2/8/B7/7Q/8/1R2K3 w kq - 0 1)

Zutic, Ante

Match: Macedonia - Slovenia, 1969

r3k2r/3ppn1R/5B2/8/B7/7Q/8/1R2K3

#2

6 + 6


15148 Sadier Collection 2016

SOLUTION


  • SOUND
  • Sets
    • 1...Kd8
      • 2.Qxd7#
    • 1...Rf8
      • 2.Qxd7#
    • 1...0-0
      • 2.Rg7#
    • 1...0-0-0
      • 2.Qc3#
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qxe7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...Kf8
        • 2.Qxf7#
      • 1...0-0
        • 2.Rh8#
      • 1...0-0-0
        • 2.Qc4#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(e);N_SPINP(a),P-FLIGHT,P_SPINP(b)::QAR1(C),XP(a)
    • R(f);SBLOCK::QAB1(C),XP(a)
    • K(e);0-0,N_SPINP(a),OGATEB::R1(F)
    • K(e);0-0-0,OGATEB::QAR(C)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C),XP(b)
    • Vars
      • K(e);N_SPINP(a),P-FLIGHT,P_SPINP(b)::QAR1(C),XP(a)
      • K(e);N_SPINP(a),P-FLIGHT::QAR1(C),XS(c)
      • K(e);0-0,N_SPINP(a),P_SPINS(c)::R1(F)
      • K(e);0-0-0,OGATEB::QAR(C)


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).