MESON Chess Problem Database

Problem Display
PID: 23135 (6K1/8/4Q2B/7k/8/4b1P1/6n1/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

6K1/8/4Q2B/7k/8/4b1P1/6n1/8

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sh4
      • 2.g4#
  • Tries
    • 1.Qf5+?
      • 1...Bg5
        • 2.Qxg5#
      • 1...Kxh6!
  • Keys
    • 1.Kh7!
      • threat
        • 2.Qg6#
      • 1...Bg5
        • 2.Qe2#
      • 1...Sf4
        • 2.Qf5#
      • 1...Sh4
        • 2.g4#

FEATURES

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