MESON Chess Problem Database

Problem Display
PID: 7688 (8/8/1K2BBp1/7N/4k3/Q7/8/8 w - - 0 1)

Lincoln, Robert A

The Problemist, 1992

8/8/1K2BBp1/7N/4k3/Q7/8/8

#2

5 + 2

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Bc4?
      • threat
        • 2.Qd3#
      • 1...Kf5
        • 2.Qf3#
      • 1...gxh5!
    • 1.Bd5+?
      • 1...Kf5
        • 2.Qf3#
        • 2.Qh3#
      • 1...Kxd5!
    • 1.Bg5?
      • threat
        • 2.Qe3#
      • 1...Kd4
        • 2.Qe3#
      • 1...Ke5!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Qf3#
      • 1...Kd5
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);XS(B)
    • Try
      • B(D);CHECK
      • Refutation
        • K(a);S_FLIGHT,XB(D)
    • Try
      • B(E);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAB1(A)
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
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