MESON Chess Problem Database

Problem Display
PID: 178064 (2Q5/3r1pnN/2N3p1/r1n1Bk2/2B5/4bK2/8/3R4 w - - 0 1)

Ahues, Herbert Siegfried Oskar

Bulletin Ouvrier des Echecs, 1952

2Q5/3r1pnN/2N3p1/r1n1Bk2/2B5/4bK2/8/3R4

#2

7 + 8

SOLUTION

  • SOUND
  • Tries
    • 1.Qxd7+?
      • 1...Sce6
        • 2.Bd3#
        • 2.Qd3#
        • 2.Qxf7#
      • 1...Sge6
        • 2.Qxf7#
      • 1...Sxd7!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Se7#
      • 1...Bg5
        • 2.Sd4#
      • 1...Sce6
        • 2.Bd3#
      • 1...Sge6
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK,XR(f)
      • Vars
        • S(h);P_SPINS(h)::QAR2(G),XP(g)
      • Refutation
        • S(c);XQ(G)
  • Actual
    • B(D);
    • Threat
      • S(E)
    • Vars
      • B(a);N_GUARD::S(E)
      • S(c);N_GUARD,N_SPINR(f),SBLOCK::B(C)
      • S(h);N_SPINR(f),SBLOCK::R(A)
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