MESON Chess Problem Database

Problem Display
PID: 39727 (8/8/8/8/B2KN1k1/3n4/6N1/7Q w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/8/8/8/B2KN1k1/3n4/6N1/7Q

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Bd1#
    • 1...Sf4
      • 2.Se3#
  • Tries
    • 1.Kxd3?
      • 1...Kf3
        • 2.Bd1#
        • 2.Qh3#
      • 1...Kf5!
  • Keys
    • 1.Be8!
      • threat
        • 2.Qh5#
      • 1...Kf3
        • 2.Bh5#
      • 1...Kf5
        • 2.Qh3#
      • 1...Sf4
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(C)
    • S(a);SBLOCK::S(B)
  • Tries
    • Try
      • K(D);P-FLIGHT,XS(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAB1(A)
    • Vars
      • K(b);S_FLIGHT::B(C)
      • K(b);S_FLIGHT::QAB(A)
      • S(a);SBLOCK::S(B)
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