MESON Chess Problem Database

Problem Display
PID: 4975 (8/5N2/1N6/3P1P2/4k3/4P2P/7P/2Q2K2 w - - 0 1)

Nanning, Alexander Karel

Utrecht Dagblad, 1895

8/5N2/1N6/3P1P2/4k3/4P2P/7P/2Q2K2

#2

9 + 1

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sg5#
  • Tries
    • 1.Qd2?
      • 1...Kf3
        • 2.Sg5#
      • 1...Kxf5!
    • 1.Qa3?
      • 1...Kf3
        • 2.Sg5#
      • 1...Kxf5!
    • 1.Qc3?
      • 1...Kf3
        • 2.Sg5#
      • 1...Kxf5!
  • Keys
    • 1.Sd7!
      • 1...Kd3
        • 2.Sc5#
      • 1...Kf3
        • 2.Sg5#
      • 1...Kxd5
        • 2.Sf6#
      • 1...Kxf5
        • 2.Qb1#
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::S(I)
  • Tries
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::S(I)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::S(I)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::S(I)
      • Refutation
        • K(a);S_FLIGHT,XP(G)
  • Actual
    • S(H);
    • Vars
      • K(a);S_FLIGHT::S(H)
      • K(a);S_FLIGHT::S(I)
      • K(a);S_FLIGHT,XP(F)::S(H)
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