MESON Chess Problem Database

Problem Display
PID: 23080 (6B1/8/5N2/n1Q2p2/8/3k4/8/4K3 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

6B1/8/5N2/n1Q2p2/8/3k4/8/4K3

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Bh7#
  • Tries
    • 1.Be6?
      • threat
        • 2.Bxf5#
      • 1...f4
        • 2.Bf5#
      • 1...Sc4!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Sf2#
      • 1...Ke4
        • 2.Qe3#
      • 1...fxg4
        • 2.Bh7#
      • 1...Sc4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(c);OGATEB::B(D)
  • Tries
    • Try
      • B(D);
      • Threat
        • B(D),XP(c)
      • Vars
        • P(c);::B(D)
      • Refutation
        • S(b);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • P(c);OGATEB,XS(C)::B(D)
      • S(b);N_GUARD::QAB1(B),XS(b)
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