MESON Chess Problem Database

Problem Display
PID: 18235 (5k2/4rP1R/N2K4/8/8/Q7/8/8 w - - 0 1)

Albarda, Johannes

Probleemblad, 1954

5k2/4rP1R/N2K4/8/8/Q7/8/8

#2

5 + 2

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Kxe5#
    • 1...Re6+
      • 2.Kxe6#
    • 1...Rc7
      • 2.Kxc7#
    • 1...Rd7+
      • 2.Kxd7#
  • Keys
    • 1.Sc5!
      • 1...Re6+
        • 2.Sxe6#
      • 1...Rd7+
        • 2.Sxd7#
      • 1...Rxf7
        • 2.Qa8#
      • 1...Re1
        • 2.Sd7#
      • 1...Re2
        • 2.Sd7#
      • 1...Re3
        • 2.Sd7#
      • 1...Re4
        • 2.Sd7#
      • 1...Re5
        • 2.Sd7#
      • 1...Ra7
        • 2.Se6#
      • 1...Rb7
        • 2.Se6#
      • 1...Rc7
        • 2.Se6#
      • 1...Re8
        • 2.Sd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • R(a);::QAB(A)+K(C),XR(a)
    • R(a);CHECK::QAB(A)+K(C),XR(a)
  • Actual
    • S(B);
    • Vars
      • R(a);CHECK,N_GUARD::S(B),XR(a)
      • R(a);N_GUARD,XP(D)::QAR(A)
      • R(a);N_GUARD::S(B)
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