Problem Display
PID: 114234 (KN1RB3/B1k1P3/7r/2Pp4/6R1/Nr5Q/3bb3/8 w - - 0 1)

Taraba, Jozef

Prize, UV CSTV, 1967

KN1RB3/B1k1P3/7r/2Pp4/6R1/Nr5Q/3bb3/8

#2

10 + 6


14580 Chess Compositions (Taraba) 2009
6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Rd3
      • 2.Sb5#
    • 1...Rxb8+
      • 2.Bxb8#
    • 1...Rd6
      • 2.cxd6#
  • Tries
    • 1.Rb4?
      • threat
        • 2.Rc8#
        • 2.Qd7#
        • 2.Qc8#
      • 1...Rbxh3
        • 2.Rb7#
      • 1...Rhxh3
        • 2.Bb6#
      • 1...Rd6
        • 2.Rc8#
        • 2.Qc8#
        • 2.cxd6#
      • 1...Bg4
        • 2.Sb5#
      • 1...Bb5
        • 2.Sxb5#
        • 2.Rc8#
        • 2.Qc8#
      • 1...Ba6
        • 2.Qd7#
      • 1...Re6!
    • 1.Qxh6?
      • threat
        • 2.Qc6#
        • 2.Qd6#
      • 1...Rxb8+
        • 2.Bxb8#
      • 1...Rb6
        • 2.Bxb6#
        • 2.Qxb6#
        • 2.cxb6#
      • 1...Bf4
        • 2.Qxf4#
        • 2.Qc6#
      • 1...Bb5
        • 2.Bb6#
        • 2.Qb6#
        • 2.Qd6#
      • 1...Bxh6!
  • Keys
    • 1.Rg6!
      • threat
        • 2.Rc8#
        • 2.Qd7#
        • 2.Qc8#
      • 1...Rxb8+
        • 2.Bxb8#
      • 1...Rbxh3
        • 2.Bb6#
      • 1...Rhxh3
        • 2.Rc6#
      • 1...Bg4
        • 2.Sa6#
      • 1...Bb5
        • 2.Bb6#
        • 2.Rc8#
        • 2.Qc8#
      • 1...Ba6
        • 2.Sxa6#
        • 2.Qd7#

FEATURES


  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD,S_CUTB(b)::S(A)
    • R(c);CHECK,OGATE,XS(H)::B(E),XR(c)
    • R(e);OGATE::P(D),XR(e)
  • Tries
    • Try
      • R(C);
      • Threat
        • DUALS(3)
      • Vars
        • R(c);N_GUARD,XQ(B)::R1(C)
        • R(e);N_GUARD,XQ(B)::B(E)
        • B(b);N_GUARD::S(A)
        • B(b);::QAR1(B)
      • Refutation
        • R(e);
    • Try
      • Q(B);XR(e)
      • Threat
        • DUALS(2)
      • Vars
        • R(c);CHECK,OGATE,XS(H)::B(E),XR(c)
      • Refutation
        • B(a);XQ(B)
  • Actual
    • R(C);
    • Threat
      • DUALS(3)
    • Vars
      • R(c);CHECK,OGATE,XS(H)::B(E),XR(c)
      • R(c);N_GUARD,XQ(B)::B(E)
      • R(e);N_GUARD,XQ(B)::R1(C)
      • B(b);N_GUARD::S(H)


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).