MESON Chess Problem Database

Problem Display
PID: 97347 (8/2K1p3/k1N5/Bpp5/7r/6r1/B7/R7 w - - 0 1)

Ahlheim, Karl-Heinz

Problemas, 1963

8/2K1p3/k1N5/Bpp5/7r/6r1/B7/R7

#2

5 + 6

6490 yacpdb 2009
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Be6?
      • threat
        • 2.Bc8#
      • 1...Rg8
        • 2.Bb4#
      • 1...Rh8
        • 2.Bc3#
      • 1...b4!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Sb8#
      • 1...b4
        • 2.Bc4#
      • 1...Rg8
        • 2.Bc4#
      • 1...Rh8
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Threat
        • B(B)
      • Vars
        • R(a);N_GUARD::R(A)+B(C)
        • R(b);N_GUARD::R(A)+B(C)
      • Refutation
        • P(c);
  • Actual
    • B(C);
    • Threat
      • S(D)
    • Vars
      • P(c);::R(A)+B(B),DCHECK
      • R(a);N_GUARD::R(A)+B(B)
      • R(b);N_GUARD::R(A)+B(B)
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