MESON Chess Problem Database

Problem Display
PID: 274631 (2b5/7B/2P1Pp2/2RN3n/1P1k1P2/K1R4r/3P4/n7 w - - 0 1)

Kario, Borivoje

Mat, 1973

2b5/7B/2P1Pp2/2RN3n/1P1k1P2/K1R4r/3P4/n7

#2

10 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Rd3#
      • 2.R3c4#
    • 1...Rh2
      • 2.Rd3#
      • 2.R3c4#
    • 1...Rxc3+
      • 2.dxc3#
    • 1...Rd3
      • 2.Rxd3#
    • 1...Re3
      • 2.dxe3#
    • 1...Rh4
      • 2.Rd3#
      • 2.R3c4#
    • 1...Sb3
      • 2.R3c4#
    • 1...Sg3
      • 2.Rd3#
      • 2.R3c4#
  • Keys
    • 1.Se3!
      • threat
        • 2.Rd3#
        • 2.R3c4#
        • 2.R5c4#
        • 2.Rd5#
      • 1...Sc2+
        • 2.Sxc2#
      • 1...Rxe3
        • 2.dxe3#
      • 1...Bxe6
        • 2.Rd3#
      • 1...Sxf4
        • 2.R3c4#
      • 1...f5
        • 2.R5c4#
      • 1...Ba6
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • R(b);CHECK,OGATE,XR(C)::P(A),XR(b)
    • R(b);N_GUARD::R1(C),XR(b)
    • R(b);OGATE::P(A),XR(b)
    • S(a);N_PINR(C)::R1(C)
  • Actual
    • S(G);N_SPINR(C)
    • Threat
      • DUALS(4)
    • Vars
      • S(a);CHECK,N_GUARD::S(G),XS(a)
      • R(b);OGATE,P_PINR(C),XS(G)::P(A),XR(b)
      • B(f);XP(I)::R1(C)
      • S(d);XP(E)::R1(C)
      • P(e);::R1(F)
      • B(f);::R1(F)
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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).