MESON Chess Problem Database

Problem Display
PID: 38496 (6B1/8/8/6k1/5N1p/4Q3/4K3/8 w - - 0 1)

Shire, David J

British Chess Magazine, 1974

6B1/8/8/6k1/5N1p/4Q3/4K3/8

#2

4 + 2

2012 Miniature Chess Problems from Many Countries 1981

SOLUTION

  • SOUND
  • Tries
    • 1.Se6+?
      • 1...Kg4
        • 2.Qf3#
      • 1...Kh5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kg6
        • 2.Qg5#
      • 1...Kf5!
    • 1.Qe5+?
      • 1...Kh6
        • 2.Qf6#
      • 1...Kg4!
  • Keys
    • 1.Sh3+!
      • 1...Kg4
        • 2.Qf3#
      • 1...Kf5
        • 2.Qe6#
      • 1...Kh5
        • 2.Qg5#
      • 1...Kf6
        • 2.Qg5#
      • 1...Kg6
        • 2.Qg5#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);P-FLIGHT::QAB1(B)
        • K(b);P-FLIGHT::QAR1(B)
        • K(b);S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(B)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(C);CHECK
    • Vars
      • K(b);P-FLIGHT::QAB1(B)
      • K(b);P-FLIGHT::QAR1(B)
      • K(b);S_FLIGHT::QAB1(B)
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