MESON Chess Problem Database

Problem Display
PID: 38807 (2k5/K4N2/1P6/8/7b/7b/8/Q7 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

2k5/K4N2/1P6/8/7b/7b/8/Q7

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Bd7
      • 2.Qa6#
  • Tries
    • 1.Qh8+?
      • 1...Bd8
        • 2.Qxh3#
        • 2.Qxd8#
      • 1...Kd7!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qc6#
      • 1...Bg2
        • 2.Qg4#
      • 1...Bd7
        • 2.Qa6#
      • 1...Bg3
        • 2.Qe8#
      • 1...Bd8
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::QAB(A)
  • Tries
    • Try
      • Q(A);CHECK
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • B(a);N_GUARD::QAB(A)
      • B(a);SBLOCK::QAB(A)
      • B(b);N_GUARD::QAR2(A)
      • B(b);SBLOCK::S(D)
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