MESON Chess Problem Database

Problem Display
PID: 185849 (2k3K1/bR1R4/7N/2N5/8/8/8/8 w - - 0 1)

Lincoln, Robert A

Problem Observer, 2016

2k3K1/bR1R4/7N/2N5/8/8/8/8

#2

5 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Sf5?
      • threat
        • 2.Sd6#
        • 2.Se7#
      • 1...Bb8
        • 2.Se7#
      • 1...Bxc5!
  • Keys
    • 1.Sf7!
      • threat
        • 2.Sd6#
        • 2.Rdc7#
        • 2.Rd8#
      • 1...Bxc5
        • 2.Rdc7#
      • 1...Bb6
        • 2.Sd6#
      • 1...Bb8
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::S(B)
      • Refutation
        • B(a);XS(A)
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • B(a);XS(A)::R1(D)
      • B(a);::S(B)
      • B(a);::R1(D)
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