MESON Chess Problem Database

Problem Display
PID: 15354 (6R1/7k/8/5NK1/8/8/1n6/1Q3b2 w - - 0 1)

Speckmann, Werner

The Problemist, 1982

6R1/7k/8/5NK1/8/8/1n6/1Q3b2

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984

SOLUTION

  • SOUND
  • Tries
    • 1.Sh6+?
      • 1...Sd3
        • 2.Qb7#
      • 1...Bd3!
    • 1.Se7+?
      • 1...Bd3
        • 2.Qh1#
      • 1...Sd3!
  • Keys
    • 1.Qxb2!
      • threat
        • 2.Rh8#
        • 2.Qg7#
        • 2.Qh8#
      • 1...Kxg8
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • S(b);OGATE,P_SPINS(b)::QAR(A)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • S(B);CHECK
      • Vars
        • B(a);OGATE,P_SPINB(a)::QAR(A)
      • Refutation
        • S(b);P_SPINS(b)
  • Actual
    • Q(A);XS(b)
    • Threat
      • DUALS(3)
    • Vars
      • K(c);S_FLIGHT,XR(D)::QAR1(A)
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