MESON Chess Problem Database

Problem Display
PID: 17505 (6Q1/8/8/8/6b1/6k1/6N1/6K1 w - - 0 1)

Knoppel, Jan Heribert

Fairy Chess Review, 1947

6Q1/8/8/8/6b1/6k1/6N1/6K1

#2

3 + 2

3680 Jan Knoppel Udvalgte Skakproblemer 1955
3295 Einfuhrung in die Welt des Schachproblem 1984
2786 More Fun with Chess Miniatures 2000
3713 Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qg6?
      • 1...Kf3
        • 2.Qd3#
      • 1...Kh3!
    • 1.Qb8+?
      • 1...Kh3
        • 2.Qh2#
      • 1...Kf3!
  • Keys
    • 1.Qg5!
      • 1...Kf3
        • 2.Qe3#
      • 1...Kh3
        • 2.Qh4#

This anticipates 112935(1955)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(C);
      • Vars
        • K(a);N_SPINB(b),P-FLIGHT::QAR2(C)
      • Refutation
        • K(a);N_SPINB(b),P-FLIGHT
    • Try
      • Q(C);CHECK,N_PINB(b)
      • Vars
        • K(a);OGATE,P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(a);N_SPINB(b),P-FLIGHT::QAR1(C)
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