MESON Chess Problem Database

Problem Display
PID: 161398 (2BN4/8/5B2/6Rp/5PrP/6Pk/7p/5K1N w - - 0 1)

Amirov, Talip Khasanovich

Joseph, Fernand

3rd HM., Het Belgisch Schaakbord (L'Echiquier Belge), 1975

2BN4/8/5B2/6Rp/5PrP/6Pk/7p/5K1N

#2

9 + 4

15611 Schaak-composities 1975-1979 (de Vuyst) 1982

SOLUTION

  • SOUND
  • Tries
    • 1.Rf5?
      • 1...Rxf4+
        • 2.Rxf4#
      • 1...Rxg3
        • 2.Sf2#
      • 1...Rxh4
        • 2.Rxh5#
      • 1...Rg5
        • 2.Rxg5#
      • 1...Rg6
        • 2.Rg5#
      • 1...Rg8
        • 2.Rg5#
      • 1...Rg7!
  • Keys
    • 1.Se6!
      • 1...Rxf4+
        • 2.Sxf4#
      • 1...Rxg3
        • 2.Rxg3#
      • 1...Rxh4
        • 2.Sf2#
      • 1...Rxg5
        • 2.Sxg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);N_PINR(c)
      • Vars
        • R(c);CHECK,OGATE,XP(D)::B(H)+R(F),XR(c)
        • R(c);SBLOCK,XP(C)::S(B)
        • R(c);OGATEB,XP(E)::B(H)+R(F),XP(d)
        • R(c);OGATEB::B(H)+R(F),XR(c)
        • R(c);OGATEB::B(H)+R(F)
      • Refutation
        • R(c);
  • Actual
    • S(I);N_PINR(c)
    • Vars
      • R(c);CHECK,XP(D)::B(H)+S(I),DCHECK,XR(c)
      • R(c);OGATE,XP(C)::R1(F),XR(c)
      • R(c);XP(E)::S(B)
      • R(c);XR(F)::B(H)+S(I),DCHECK,XR(c)
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