MESON Chess Problem Database

Problem Display
PID: 52775 (7B/8/2B5/2p5/2k5/Pp1N1N2/3P4/b2K4 w - - 0 1)

Jansen, J

Schach-Echo, 1933

7B/8/2B5/2p5/2k5/Pp1N1N2/3P4/b2K4

#2

7 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Sxb2#
    • 1...Be5
      • 2.Sdxe5#
  • Tries
    • 1.Bxa1?
      • threat
        • 2.Sb2#
        • 2.Sde5#
        • 2.Sfe5#
      • 1...Kxd3
        • 2.Se5#
      • 1...b2!
  • Keys
    • 1.Bb2!
      • threat
        • 2.Sde5#
        • 2.Sfe5#
      • 1...Kxd3
        • 2.Se5#
      • 1...Bxb2
        • 2.Sxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::S(D),XB(a)
  • Tries
    • Try
      • B(G);XB(a)
      • Threat
        • DUALS(3)
      • Vars
        • K(c);S_FLIGHT,XS(D)::S(E)
      • Refutation
        • P(b);
  • Actual
    • B(G);
    • Threat
      • DUALS(2)
    • Vars
      • K(c);S_FLIGHT,XS(D)::S(E)
      • B(a);XB(G)::S(D),XB(a)
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