MESON Chess Problem Database

Problem Display
PID: 7687 (6B1/8/3N4/2n2pQ1/8/5k2/8/5K2 w - - 0 1)

Lincoln, Robert A

The Problemist, 1992

6B1/8/3N4/2n2pQ1/8/5k2/8/5K2

#2

4 + 3

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Sb3
      • 2.Bd5#
    • 1...Sd3
      • 2.Bd5#
    • 1...Sa4
      • 2.Bd5#
    • 1...Sa6
      • 2.Bd5#
    • 1...Sb7
      • 2.Bd5#
    • 1...Sd7
      • 2.Bd5#
  • Tries
    • 1.Bc4?
      • threat
        • 2.Be2#
      • 1...Sd3
        • 2.Bd5#
      • 1...f4!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sd2#
      • 1...Ke4
        • 2.Qe3#
      • 1...Sb3
        • 2.Bd5#
      • 1...Se4
        • 2.Se5#
      • 1...f4
        • 2.Qg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • S(b);N_GUARD::B(D)
  • Tries
    • Try
      • B(D);
      • Threat
        • B(D)
      • Vars
        • S(b);N_GUARD::B(D)
      • Refutation
        • P(c);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • S(b);N_GUARD::B(D)
      • S(b);SBLOCK::S(C)
      • P(c);SBLOCK::QAB1(B)
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