MESON Chess Problem Database

Problem Display
PID: 15694 (4r3/k1PNR3/2B5/K7/8/8/8/8 w - - 0 1)

Maleika, Gerhard

Comm., Deutsche Schachzeitung, 1987

4r3/k1PNR3/2B5/K7/8/8/8/8

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002
133 The Problemist Supplement 2009
136 Problem Observer 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe7
      • 2.c8S#
    • 1...Rb8
      • 2.cxb8Q#
      • 2.cxb8B#
  • Keys
    • 1.Sb6!
      • 1...Rxe7
        • 2.Sc8#
      • 1...Rc8
        • 2.Sxc8#
      • 1...Ra8
        • 2.c8Q#
        • 2.c8R#
      • 1...Rb8
        • 2.c8S#
      • 1...Rd8
        • 2.cxd8Q#
        • 2.cxd8R#
      • 1...Rf8
        • 2.c8Q#
        • 2.c8R#
      • 1...Rg8
        • 2.c8Q#
        • 2.c8R#
      • 1...Rh8
        • 2.c8Q#
        • 2.c8R#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD,XR(E)::P=S
    • R(b);OGATE::PXR(b)=Q
  • Actual
    • S(D);
    • Vars
      • R(b);N_GUARD,XR(E)::S(D)
      • R(b);N_GUARD::S(D),XR(b)
      • R(b);N_GUARD::P=Q
      • R(b);N_GUARD,SBLOCK::P=S
      • R(b);OGATE::PXR(b)=Q
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