MESON Chess Problem Database

Problem Display
PID: 23116 (5K2/8/4Q3/7k/4N3/5nP1/6b1/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

5K2/8/4Q3/7k/4N3/5nP1/6b1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sh4
      • 2.g4#
  • Tries
    • 1.Qf5+?
      • 1...Sg5
        • 2.Qxg5#
      • 1...Kh6!
  • Keys
    • 1.Kg7!
      • threat
        • 2.Qg6#
      • 1...Sh4
        • 2.g4#
      • 1...Se5
        • 2.Qf5#
      • 1...Sg5
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(b);SBLOCK::P(A)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR1(C),XS(b)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • K(D);S_FLIGHT
    • Threat
      • QAB1(C)
    • Vars
      • S(b);SBLOCK::P(A)
      • S(b);N_GUARD::QAR2(C)
      • S(b);SBLOCK::S(B)
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