MESON Chess Problem Database

Problem Display
PID: 150661 (4bB2/2pN2K1/1p2k3/1B3p2/1N3p2/3p4/3R4/8 w - - 0 1)

Ahlheim, Karl-Heinz

Die Schwalbe, 1984

4bB2/2pN2K1/1p2k3/1B3p2/1N3p2/3p4/3R4/8

#2

6 + 7

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Bxd3?
      • threat
        • 2.Bc4#
      • 1...Kxd7
        • 2.Bxf5#
      • 1...Bxd7
        • 2.Re2#
      • 1...b5!
  • Keys
    • 1.Sxd3!
      • threat
        • 2.Sxf4#
      • 1...Kd5
        • 2.S3c5#
      • 1...Bxd7
        • 2.Bc4#
      • 1...f3
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);XP(a)
      • Threat
        • B(C)
      • Vars
        • K(e);S_FLIGHT,XS(D)::R(A)+B(C),DCHECK,XP(c)
        • B(g);SBLOCK,XS(D)::R(A)
      • Refutation
        • P(d);
  • Actual
    • S(B);XP(a)
    • Threat
      • S(B),XP(b)
    • Vars
      • K(e);S_FLIGHT::R(A)+S(B)
      • B(g);SBLOCK,XS(D)::B(C)
      • P(b);::S(B)
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