MESON Chess Problem Database

Problem Display
PID: 10868 (k3K3/1p6/N7/8/8/5R1B/8/6B1 w - - 0 1)

Banny, Dimitry Nikolaevich

Prapor peremogi, 1969

k3K3/1p6/N7/8/8/5R1B/8/6B1

#2

5 + 2

3296 Shakhmatny zadachi miniaturi 1987
2838 Fun with Chess Miniatures 1996
56 The Problemist 2007
145 StrateGems 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Rb3?
      • 1...bxa6
        • 2.Bg2#
      • 1...b5
        • 2.Bg2#
      • 1...b6!
    • 1.Rf7?
      • 1...b5
        • 2.Bg2#
        • 2.Ra7#
      • 1...b6
        • 2.Bg2#
      • 1...bxa6!
  • Keys
    • 1.Bg2!
      • 1...bxa6
        • 2.Rb3#
      • 1...b5
        • 2.Rf1#
        • 2.Ra3#
        • 2.Rb3#
        • 2.Rc3#
        • 2.Rd3#
        • 2.Rg3#
        • 2.Rh3#
        • 2.Rf4#
        • 2.Rf5#
        • 2.Rf6#
        • 2.Rf7#
        • 2.Rf8#
      • 1...b6
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);
      • Vars
        • P(a);OGATEB,XS(D)::B(C)
        • P(a);OGATEB::B(C)
      • Refutation
        • P(a);
    • Try
      • R(B);
      • Vars
        • P(a);OGATEB::B(C)
      • Refutation
        • P(a);XS(D)
  • Actual
    • B(C);
    • Vars
      • P(a);OGATEB,XS(D)::B(C)+R(B)
      • P(a);OGATEB::B(C)+R(B)
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