MESON Chess Problem Database

Problem Display
PID: 23142 (1K6/p7/k2B4/2Q5/8/8/8/4bb2 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

1K6/p7/k2B4/2Q5/8/8/8/4bb2

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Bb5
      • 2.Qxa7#
  • Tries
    • 1.Qc4+?
      • 1...Ka5
        • 2.Bc7#
      • 1...Kb6
        • 2.Bc7#
      • 1...Bxc4!
  • Keys
    • 1.Bc7!
      • threat
        • 2.Qc6#
      • 1...Bf2
        • 2.Qa5#
      • 1...Ba5
        • 2.Qxa5#
      • 1...Bg2
        • 2.Qc4#
      • 1...Bb5
        • 2.Qxa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(b);SBLOCK::QAR1(A),XP(d)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::B(B)
      • Refutation
        • B(b);XQ(A)
  • Actual
    • B(B);
    • Threat
      • QAR2(A)
    • Vars
      • B(a);N_GUARD::QAR1(A)
      • B(a);N_GUARD::QAR1(A),XB(a)
      • B(b);N_GUARD::QAB(A)
      • B(b);SBLOCK::QAR1(A),XP(d)
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