MESON Chess Problem Database

Problem Display
PID: 23247 (8/1n6/8/8/5kPK/5N1b/4Q3/8 w - - 0 1)

Shanahan, Ian

The Problemist, 1996

8/1n6/8/8/5kPK/5N1b/4Q3/8

#2

4 + 3

2786 More Fun with Chess Miniatures 2000
56 The Problemist 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Se5?
      • threat
        • 2.Sd3#
        • 2.Sg6#
      • 1...Sc5
        • 2.Sg6#
      • 1...Bxg4!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sxh3#
        • 2.Se6#
        • 2.Qe4#
      • 1...Bxg4
        • 2.Qe4#
      • 1...Sc5
        • 2.Sxh3#
      • 1...Bf1
        • 2.Se6#
        • 2.Qe4#
      • 1...Bg2
        • 2.Se6#
      • 1...Sd6
        • 2.Sxh3#
        • 2.Se6#
      • 1...Sd8
        • 2.Sxh3#
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::S(B)
      • Refutation
        • B(a);XP(C)
  • Actual
    • S(B);
    • Threat
      • DUALS(3)
    • Vars
      • B(a);XP(C)::QAR1(A)
      • S(c);::S(B),XB(a)
      • B(a);::S(B)
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