MESON Chess Problem Database

Problem Display
PID: 274413 (8/5K2/3p4/2bR4/2B5/kN6/3Q2p1/5b1R w - - 0 1)

Vukicevic, I

Mat, 1973

8/5K2/3p4/2bR4/2B5/kN6/3Q2p1/5b1R

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Ka4
      • 2.Qa5#
    • 1...Be2
      • 2.Ra1#
    • 1...Bd3
      • 2.Ra1#
    • 1...Bg1
      • 2.Ra5#
    • 1...Bf2
      • 2.Ra5#
    • 1...Be3
      • 2.Ra5#
    • 1...Bd4
      • 2.Ra5#
    • 1...Ba7
      • 2.Ra5#
  • Keys
    • 1.Qc3!
      • threat
        • 2.Sxc5#
      • 1...Ka2
        • 2.Qa1#
      • 1...Ka4
        • 2.Qa5#
      • 1...Bxc4
        • 2.Ra1#
      • 1...Bg1
        • 2.Sc5#
        • 2.Ra5#
      • 1...Bf2
        • 2.Sc5#
        • 2.Ra5#
      • 1...Be3
        • 2.Sc5#
        • 2.Ra5#
      • 1...Bb4
        • 2.Qa1#
      • 1...Bd4
        • 2.Ra5#
      • 1...Bb6
        • 2.Sc5#
      • 1...Ba7
        • 2.Sc5#
        • 2.Ra5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • K(c);N_GUARD,P-FLIGHT::QAR1(B)
    • B(a);OGATE::R(A)
    • B(d);OGATE::R(E)
  • Actual
    • Q(B);
    • Threat
      • QAR(B)+S(C),XB(d)
    • Vars
      • K(c);N_GUARD,P-FLIGHT::QAR1(B)
      • B(a);OGATE,P_PINR(E),XB(D)::R(A)
      • B(d);SBLOCK::QAR2(B)
      • B(d);OGATE::R(E)
      • B(d);::QAR(B)+S(C)
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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).