MESON Chess Problem Database

Problem Display
PID: 23166 (8/1Q1R4/8/2p2K2/2k5/8/3bN3/8 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

8/1Q1R4/8/2p2K2/2k5/8/3bN3/8

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qa6+?
      • 1...Kb4
        • 2.Rb7#
      • 1...Kb3!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qb3#
      • 1...Kxd3
        • 2.Qe4#
      • 1...Bc3
        • 2.Rxc3#
      • 1...Bb4
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(b);P-FLIGHT::R(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(D);
    • Threat
      • QAB1(C)
    • Vars
      • K(b);S_FLIGHT,XR(D)::QAB1(C)
      • B(a);N_GUARD::R1(D),XB(a)
      • B(a);SBLOCK::QAB(C)
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