MESON Chess Problem Database

Problem Display
PID: 858 (7B/4k1P1/8/2K5/8/3Q4/8/8 w - - 0 1)

Montgomerie, M

British Chess Magazine, 1982

7B/4k1P1/8/2K5/8/3Q4/8/8

#2

4 + 1

3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2013

SOLUTION

  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Ke8
        • 2.g8Q#
      • 1...Kf7!
    • 1.Qd7+?
      • 1...Kf6
        • 2.g8Q#
        • 2.g8R#
      • 1...Kxd7!
    • 1.g8B?
      • 1...Kf8
        • 2.Qd8#
      • 1...Ke8!
  • Keys
    • 1.Qh7!
      • threat
        • 2.g8Q#
      • 1...Ke6
        • 2.g8Q#
        • 2.g8B#
      • 1...Kf6
        • 2.g8Q#
      • 1...Kd7
        • 2.g8Q#
      • 1...Kf7
        • 2.g8Q#
      • 1...Kd8
        • 2.g8Q#
        • 2.g8R#
      • 1...Ke8
        • 2.g8Q#
        • 2.g8R#

Anticipated by 9312(1874), 170467(1944), 2150(1948), 201747(1971)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • P(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • P=Q
    • Vars
      • K(a);P-FLIGHT::P=Q
      • K(a);S_FLIGHT::P=Q
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