MESON Chess Problem Database

Problem Display
PID: 23169 (6K1/6p1/Qb5k/3R4/8/8/1n6/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

6K1/6p1/Qb5k/3R4/8/8/1n6/8

#2

3 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6
      • 2.Qxb6#
  • Tries
    • 1.Qd3?
      • threat
        • 2.Qh7#
      • 1...g6
        • 2.Qh3#
      • 1...Sxd3!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qh5#
      • 1...Kg6
        • 2.Qe6#
      • 1...g5
        • 2.Rd6#
      • 1...g6
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR(B),XB(b)
  • Tries
    • Try
      • Q(B);N_PINB(b)
      • Threat
        • QAR1(B)
      • Vars
        • P(d);SBLOCK::QAR(B)
      • Refutation
        • S(a);XQ(B)
  • Actual
    • Q(B);N_PINB(b)
    • Threat
      • QAR1(B)
    • Vars
      • K(c);P-FLIGHT::QAR2(B)
      • P(d);N_GUARD,SBLOCK::R(A)
      • P(d);SBLOCK::QAR(B)
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