MESON Chess Problem Database

Problem Display
PID: 78089 (8/8/8/3R4/2k5/6B1/1Q6/7K w - - 0 1)

d'Orville, Peter Auguste

250 Problemes des Echecs, 1842

8/8/8/3R4/2k5/6B1/1Q6/7K

#2

4 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Qc2+?
      • 1...Kb4
        • 2.Bd6#
      • 1...Kxd5!
  • Keys
    • 1.Qa2+!
      • 1...Kc3
        • 2.Be1#
      • 1...Kb4
        • 2.Be1#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);P-FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT,XR(D)
  • Actual
    • Q(B);CHECK
    • Vars
      • K(a);P-FLIGHT::B(C)
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