MESON Chess Problem Database

Problem Display
PID: 234777 (k1K5/N1pN4/nP6/8/8/8/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2016

k1K5/N1pN4/nP6/8/8/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sc6?
      • threat
        • 2.b7#
      • 1...cxb6
        • 2.Sxb6#
      • 1...Sc5!
  • Keys
    • 1.Sb5!
      • threat
        • 2.b7#
      • 1...cxb6
        • 2.Sxb6#
      • 1...Sc5
        • 2.Sxc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • P(A)
      • Vars
        • P(b);XP(A)::S(C),XP(b)
      • Refutation
        • S(a);
  • Actual
    • S(B);
    • Threat
      • P(A)
    • Vars
      • P(b);XP(A)::S(C),XP(b)
      • S(a);N_GUARD::S(B),XP(b)
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