MESON Chess Problem Database

Problem Display
PID: 23092 (8/8/6KQ/8/1pB1k2N/2B5/8/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

8/8/6KQ/8/1pB1k2N/2B5/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Bd2?
      • threat
        • 2.Qe3#
        • 2.Qf4#
      • 1...Ke5
        • 2.Qf4#
      • 1...Kd4!
    • 1.Bd5+?
      • 1...Kd3
        • 2.Qd2#
      • 1...Kxd5!
    • 1.Qf8?
      • threat
        • 2.Qf3#
      • 1...Ke3
        • 2.Qf3#
      • 1...bxc3!
    • 1.Qh5?
      • threat
        • 2.Qf3#
        • 2.Qe5#
      • 1...Ke3
        • 2.Qf3#
      • 1...Kf4
        • 2.Qf3#
      • 1...bxc3!
  • Keys
    • 1.Bxb4!
      • 1...Kd4
        • 2.Qf4#
      • 1...Ke5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAB1(E)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • B(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT,XB(B)
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • P(a);XB(A)
    • Try
      • Q(E);
      • Threat
        • DUALS(2)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
      • Refutation
        • P(a);XB(A)
  • Actual
    • B(A);XP(a)
    • Vars
      • K(b);P-FLIGHT::QAR2(E)
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