MESON Chess Problem Database

Problem Display
PID: 962 (8/3pK3/1p6/4k3/5p2/1N1Q3n/8/8 w - - 0 1)

Nymian, HS

The Problemist Supplement, 1994

8/3pK3/1p6/4k3/5p2/1N1Q3n/8/8

#2

3 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Sc5?
      • threat
        • 2.Sxd7#
        • 2.Qe4#
      • 1...f3
        • 2.Qe4#
      • 1...Sf2
        • 2.Sxd7#
      • 1...Sg5
        • 2.Sxd7#
      • 1...d5
        • 2.Sd7#
      • 1...d6
        • 2.Sd7#
        • 2.Qe4#
      • 1...bxc5!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sf3#
        • 2.Sc4#
        • 2.Qe4#
      • 1...f3
        • 2.Qe4#
      • 1...Sg1
        • 2.Sc4#
        • 2.Qe4#
      • 1...Sf2
        • 2.Sf3#
        • 2.Sc4#
      • 1...Sg5
        • 2.Sc4#
      • 1...b5
        • 2.Sf3#
        • 2.Qe4#
      • 1...d5
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • DUALS(2)
      • Vars
        • P(b);::QAR1(B)
        • S(a);::S(A),XP(e)
        • P(e);::S(A)
      • Refutation
        • P(d);XS(A)
  • Actual
    • S(A);
    • Threat
      • DUALS(3)
    • Vars
      • P(b);::QAR1(B)
      • S(a);::S(A)
      • P(e);::S(A)
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