MESON Chess Problem Database

Problem Display
PID: 24437 (8/8/7p/7N/6k1/2Q3P1/8/7K w - - 0 1)

d'Orville, Peter Auguste

La Palamede, 1837

8/8/7p/7N/6k1/2Q3P1/8/7K

#2

4 + 2

6299 250 Problemes des Echecs 1842
14986 White-Hume Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kh3
      • 2.Qc8#
  • Tries
    • 1.Qa5?
      • 1...Kh3
        • 2.Qf5#
      • 1...Kf3!
    • 1.Qe5?
      • 1...Kh3
        • 2.Qf5#
        • 2.Qe6#
      • 1...Kf3!
    • 1.Qd3?
      • 1...Kh3
        • 2.Qf5#
        • 2.Qd7#
      • 1...Kxh5
        • 2.Qf5#
      • 1...Kg5!
    • 1.Qc5?
      • 1...Kh3
        • 2.Qf5#
        • 2.Qc8#
      • 1...Kf3!
  • Keys
    • 1.Qf6!
      • 1...Kh3
        • 2.Qh4#
        • 2.Qf5#
        • 2.Qe6#
      • 1...Kxh5
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);S_FLIGHT::QAB(B)
  • Tries
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAB(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT,XS(D)::QAR2(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(B);
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • K(a);S_FLIGHT,XS(D)::QAR2(B)
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