MESON Chess Problem Database

Problem Display
PID: 150708 (8/1rP5/k7/1N6/K2B4/8/1Q6/8 w - - 0 1)

Akimov, Nikolai Nikolaevich

Sachsische Zeitung, 2011

8/1rP5/k7/1N6/K2B4/8/1Q6/8

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb5
      • 2.Qxb5#
    • 1...Rxc7
      • 2.Sxc7#
  • Keys
    • 1.Qg2!
      • 1...Rxb5
        • 2.Qa8#
      • 1...Rxc7
        • 2.Sxc7#
      • 1...Rb6
        • 2.Qa8#
      • 1...Ra7
        • 2.Qc6#
      • 1...Rb8
        • 2.cxb8S#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);OGATE,XS(D)::QAB1(A),XR(b)
    • R(b);XP(E)::S(D),XR(b)
  • Actual
    • Q(A);
    • Vars
      • R(b);OGATE,XS(D)::QAR2(A)
      • R(b);XP(E)::S(D),XR(b)
      • R(b);OGATE::QAR2(A)
      • R(b);N_GUARD::QAR2(A)
      • R(b);OGATE::PXR(b)=S
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