MESON Chess Problem Database

Problem Display
PID: 134304 (2B5/8/3p2R1/K6b/1Q2Nppk/8/7B/6N1 w - - 0 1)

Taraba, Jozef

Vychodoslovenske noviny, 1984

2B5/8/3p2R1/K6b/1Q2Nppk/8/7B/6N1

#2

7 + 5

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Bg3#
    • 1...d5
      • 2.Qe7#
  • Tries
    • 1.Sd2?
      • 1...g3
        • 2.Bxg3#
      • 1...f3
        • 2.Sdxf3#
      • 1...d5
        • 2.Qe7#
      • 1...Bxg6!
    • 1.Sf2?
      • 1...g3
        • 2.Bxg3#
      • 1...f3
        • 2.Sxf3#
      • 1...d5
        • 2.Qe7#
      • 1...Bxg6!
    • 1.Bxf4?
      • threat
        • 2.Bg3#
        • 2.Bg5#
      • 1...g3
        • 2.Bxg3#
        • 2.Bg5#
      • 1...Bxg6!
    • 1.Qc5?
      • threat
        • 2.Qg5#
      • 1...d5
        • 2.Qe7#
      • 1...dxc5!
  • Keys
    • 1.Rh6!
      • 1...g3
        • 2.Sf3#
      • 1...f3
        • 2.Bg3#
      • 1...d5
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(a);N_GUARD::B(B)
    • P(e);OGATE::QAB(C)
  • Tries
    • Try
      • S(D);
      • Vars
        • P(b);P_SPINP(a)::B(B),XP(b)
        • P(a);P_SPINP(b)::S(D),XP(a)
        • P(e);OGATE::QAB(C)
      • Refutation
        • B(d);XR(F)
    • Try
      • S(D);
      • Vars
        • P(b);P_SPINP(a)::B(B),XP(b)
        • P(a);P_SPINP(b)::S(A),XP(a)
        • P(e);OGATE::QAB(C)
      • Refutation
        • B(d);XR(F)
    • Try
      • B(B);XP(a)
      • Threat
        • DUALS(2)
      • Refutation
        • B(d);XR(F)
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • P(e);OGATE::QAB(C)
      • Refutation
        • P(e);XQ(C)
  • Actual
    • R(F);P_PINB(d)
    • Vars
      • P(b);N_GUARD::S(A)
      • P(a);N_GUARD::B(B)
      • P(e);OGATE::QAB(C)
HTML5 logo

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).