MESON Chess Problem Database

Problem Display
PID: 22220 (8/2Q5/6B1/3kB3/8/8/6p1/6Kb w - - 0 1)

d'Orville, Peter Auguste

250 Problemes des Echecs, 1842

8/2Q5/6B1/3kB3/8/8/6p1/6Kb

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984
2786 More Fun with Chess Miniatures 2000
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Ke6
      • 2.Qd6#
  • Tries
    • 1.Bh2?
      • 1...Ke6
        • 2.Qd6#
        • 2.Qf7#
      • 1...Kd4!
    • 1.Bg3?
      • 1...Ke6
        • 2.Qd6#
        • 2.Qf7#
      • 1...Kd4!
    • 1.Bf4?
      • 1...Ke6
        • 2.Qd6#
        • 2.Qf7#
      • 1...Kd4!
    • 1.Bd6?
      • 1...Kd4
        • 2.Qc5#
      • 1...Ke6!
    • 1.Qc5+?
      • 1...Ke6
        • 2.Qd6#
      • 1...Kxc5!
  • Keys
    • 1.Bf6!
      • 1...Ke6
        • 2.Qc6#

This anticipates 22122(1924)

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::QAR1(D)
  • Tries
    • Try
      • B(B);
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(B);
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(B);
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(c);P-FLIGHT::QAB1(D)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • Q(D);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(D)
      • Refutation
        • K(c);P-FLIGHT,XQ(D)
  • Actual
    • B(B);
    • Vars
      • K(c);S_FLIGHT::QAR2(D)
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