MESON Chess Problem Database

Problem Display
PID: 266366 (1Q6/8/3P1P2/2N1k3/1B4P1/8/5KB1/8 w - - 0 1)

Nemmer, Max F

Die Schwalbe, 1973

1Q6/8/3P1P2/2N1k3/1B4P1/8/5KB1/8

#2

8 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.d7+?
      • 1...Kd4
        • 2.Qf4#
      • 1...Kxf6!
  • Keys
    • 1.Qg8!
      • 1...Kd4
        • 2.Qd5#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kxd6
        • 2.Qb8#
      • 1...Kxf6
        • 2.Sd7#
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(F);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR2(H)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
  • Actual
    • Q(H);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAR1(H)
      • K(a);N_GUARD,S_FLIGHT::S(E)
      • K(a);OGATEB,S_FLIGHT,XP(F)::QAB(H)
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