MESON Chess Problem Database

Problem Display
PID: 27873 (6Q1/2K3B1/4pb2/2P1kq1N/4P3/2P5/8/4R3 w - - 0 1)

Lebeck, Donald

Mate in Two!! (Lebeck), 1992

6Q1/2K3B1/4pb2/2P1kq1N/4P3/2P5/8/4R3

#2

8 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Qh3
      • 2.Bxf6#
    • 1...Qg4
      • 2.Bxf6#
  • Tries
    • 1.Qd8?
      • threat
        • 2.Qd4#
        • 2.Qd6#
      • 1...Qxh5
        • 2.Qxf6#
        • 2.Qd6#
      • 1...Qf2
        • 2.Qd6#
      • 1...Qxe4!
  • Keys
    • 1.Kd7!
      • threat
        • 2.Qb8#
      • 1...Qxe4
        • 2.Qxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_GUARD::B(G),XB(d)
  • Tries
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • Q(b);::QAB1(H)
      • Refutation
        • Q(b);P_SPINQ(b),XP(C)
  • Actual
    • K(F);P-FLIGHT
    • Threat
      • QAB(H)
    • Vars
      • Q(b);N_GUARD,P_SPINQ(b),XP(C)::QAR1(H),XP(c)
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