MESON Chess Problem Database

Problem Display
PID: 24486 (r2B4/1P6/2Pk4/1Q3K2/8/8/8/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Pershoveresen, 1993

r2B4/1P6/2Pk4/1Q3K2/8/8/8/8

#2

5 + 2

2838 Fun with Chess Miniatures 1996
133 The Problemist Supplement 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.b8Q#
      • 2.b8B#
    • 1...Ra2
      • 2.b8Q#
      • 2.b8B#
    • 1...Ra3
      • 2.b8Q#
      • 2.b8B#
    • 1...Ra4
      • 2.b8Q#
      • 2.b8B#
    • 1...Ra5
      • 2.b8Q#
      • 2.b8B#
    • 1...Ra6
      • 2.b8Q#
      • 2.b8B#
    • 1...Rc8
      • 2.bxc8S#
  • Keys
    • 1.c7!
      • 1...Rxd8
        • 2.cxd8Q#
      • 1...Ra7
        • 2.c8S#
      • 1...Ra1
        • 2.c8S#
      • 1...Ra2
        • 2.c8S#
      • 1...Ra3
        • 2.c8S#
      • 1...Ra4
        • 2.c8S#
      • 1...Ra5
        • 2.c8S#
      • 1...Ra6
        • 2.c8S#
      • 1...Rb8
        • 2.cxb8Q#
        • 2.cxb8B#
      • 1...Rc8
        • 2.bxc8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(b);N_GUARD::P=Q
    • R(b);N_GUARD,P_PINQ(A)::P=Q
    • R(b);OGATE::PXR(b)=S
  • Actual
    • P(C);
    • Vars
      • R(b);OGATE,XB(E)::PXR(b)=Q
      • R(b);N_GUARD::P=S
      • R(b);N_GUARD,P_PINQ(A)::P=S
      • R(b);OGATE::PXR(b)=Q
      • R(b);OGATE::PXR(b)=S
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