MESON Chess Problem Database

Problem Display
PID: 7784 (8/4b3/8/p7/k1K5/8/5N2/1N6 w - - 0 1)

Lincoln, Robert A

The Problemist, 1993

8/4b3/8/p7/k1K5/8/5N2/1N6

#2

3 + 3

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Sc3#
  • Tries
    • 1.Sd1?
      • threat
        • 2.Sb2#
        • 2.Sdc3#
      • 1...Ba3
        • 2.Sbc3#
        • 2.Sdc3#
      • 1...Bb4
        • 2.Sb2#
      • 1...Bf6!
    • 1.Se4?
      • threat
        • 2.Sec3#
      • 1...Bf6
        • 2.Sc5#
      • 1...Bb4!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sb2#
      • 1...Ba3
        • 2.Sc3#
      • 1...Bf6
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(c);SBLOCK::S(A)
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);::S(B)
      • Refutation
        • B(c);
    • Try
      • S(B);
      • Threat
        • S(B)
      • Vars
        • B(c);N_GUARD::S(B)
      • Refutation
        • B(c);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • B(c);SBLOCK::S(A)
      • B(c);N_GUARD::S(B)
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