MESON Chess Problem Database

Problem Display
PID: 138787 (k1K5/Pr1R4/1P6/3N4/8/8/8/8 w - - 0 1)

Dietrich, Stephan

Mihalco, Oto

Comm., StrateGems 01. Miniature Ty., 2010

k1K5/Pr1R4/1P6/3N4/8/8/8/8

#2

5 + 2

5454 Near Snap 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb6
      • 2.Sxb6#
    • 1...Rxa7
      • 2.Rxa7#
    • 1...Rc7+
      • 2.Sxc7#
    • 1...Rb8+
      • 2.axb8Q#
      • 2.axb8R#
  • Keys
    • 1.Rc7!
      • 1...Rxc7+
        • 2.Sxc7#
      • 1...Rb8+
        • 2.axb8Q#
        • 2.axb8R#
      • 1...Rxb6
        • 2.Sxb6#
      • 1...Rxa7
        • 2.Rxa7#

Anticipated by 77263(1992)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • R(a);XP(B)::S(A),XR(a)
    • R(a);OGATE,XP(C)::R1(D),XR(a)
    • R(a);CHECK,N_GUARD::S(A),XR(a)
    • R(a);CHECK,OGATE::PXR(a)=Q
  • Actual
    • R(D);
    • Vars
      • R(a);CHECK,XR(D)::S(A),XR(a)
      • R(a);CHECK,OGATE::PXR(a)=Q
      • R(a);XP(B)::S(A),XR(a)
      • R(a);OGATE,XP(C)::R1(D),XR(a)
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