MESON Chess Problem Database

Problem Display
PID: 57666 (1bR5/3p1kNp/KQ3BrP/6pB/8/3N4/8/8 w - - 0 1)

Servais, Albert

2nd Comm., Het Belgisch Schaakbord (L'Echiquier Belge), 1955-1956

1bR5/3p1kNp/KQ3BrP/6pB/8/3N4/8/8

#2

8 + 6

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1957
5454 Near Snap 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Be5
      • 2.Sxe5#
    • 1...Ba7
      • 2.Se5#
    • 1...d5
      • 2.Qe6#
  • Keys
    • 1.Bxg5!
      • threat
        • 2.Qf6#
      • 1...Be5
        • 2.Sxe5#
      • 1...Bd6
        • 2.Qb3#
      • 1...d6
        • 2.Qf2#

Anticipated by 162716(1943)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::S(A),XB(f)
    • B(f);N_GUARD::S(A)
    • P(c);N_GUARD::QAB1(D)
  • Actual
    • B(E);P_SPINQ(D),XP(a)
    • Threat
      • QAR1(D)
    • Vars
      • B(f);N_GUARD::S(A),XB(f)
      • B(f);N_PINQ(D)::QAB(D)
      • P(c);N_PINQ(D)::QAR(D)
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