MESON Chess Problem Database

Problem Display
PID: 152879 (8/3KNk2/4N2b/4P3/2R5/8/8/8 w - - 0 1)

Bilous, M

Padyaisky Patriot, 1982

8/3KNk2/4N2b/4P3/2R5/8/8/8

#2

5 + 2

145 StrateGems 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Rxf4#
    • 1...Bf8
      • 2.Rf4#
  • Tries
    • 1.Rg4?
      • 1...Bc1
        • 2.Rg7#
      • 1...Bd2
        • 2.Rg7#
      • 1...Be3
        • 2.Rg7#
      • 1...Bf4
        • 2.Rxf4#
        • 2.Rg7#
      • 1...Bg7
        • 2.Rxg7#
      • 1...Bf8
        • 2.Sd8#
        • 2.Rf4#
      • 1...Bg5!
    • 1.Rh4?
      • 1...Bc1
        • 2.Rh7#
      • 1...Bd2
        • 2.Rh7#
      • 1...Be3
        • 2.Rh7#
      • 1...Bf4
        • 2.Rxf4#
        • 2.Rh7#
      • 1...Bg5
        • 2.Rh7#
      • 1...Bf8
        • 2.Rf4#
      • 1...Bg7!
  • Keys
    • 1.Rc8!
      • 1...Bc1
        • 2.Rf8#
      • 1...Bd2
        • 2.Rf8#
      • 1...Be3
        • 2.Rf8#
      • 1...Bf4
        • 2.Rf8#
      • 1...Bg5
        • 2.Rf8#
      • 1...Bg7
        • 2.Sg5#
      • 1...Bf8
        • 2.Rxf8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::R(A),XB(a)
    • B(a);N_GUARD::R(A)
  • Tries
    • Try
      • R(A);
      • Vars
        • B(a);N_GUARD::R1(A)
        • B(a);N_GUARD::R1(A),XB(a)
      • Refutation
        • B(a);
    • Try
      • R(A);
      • Vars
        • B(a);OGATE::R(A)
        • B(a);N_GUARD::R(A)
      • Refutation
        • B(a);
  • Actual
    • R(A);
    • Vars
      • B(a);N_GUARD::R1(A)
      • B(a);N_GUARD,SBLOCK::S(C)
      • B(a);N_GUARD::R1(A),XB(a)
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