MESON Chess Problem Database

Problem Display
PID: 17133 (7Q/3R1P2/6k1/8/7P/6K1/8/8 w - - 0 1)

Shinkman, William Anthony

Der Westen, 1902

7Q/3R1P2/6k1/8/7P/6K1/8/8

#2

5 + 1

3925 The Golden Argosy 1929
2012 Miniature Chess Problems from Many Countries 1981
3295 Einfuhrung in die Welt des Schachproblem 1984
2838 Fun with Chess Miniatures 1996
3310 2345 Chess Problems 1997
5626 European Junior Chess Solving Championship 2005
133 The Problemist Supplement 2013
5454 Near Snap 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Qf6+?
      • 1...Kh5
        • 2.Rd5#
        • 2.Qg5#
      • 1...Kh7
        • 2.f8Q#
        • 2.f8R#
      • 1...Kxf6!
    • 1.h5+?
      • 1...Kg5
        • 2.Rd5#
      • 1...Kf5!
  • Keys
    • 1.Qe8!
      • threat
        • 2.f8Q#
      • 1...Kf5
        • 2.f8Q#
        • 2.f8R#
      • 1...Kh5
        • 2.f8Q#
        • 2.f8B#
      • 1...Kf6
        • 2.f8Q#
        • 2.f8R#
      • 1...Kh6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kg7
        • 2.f8Q#
      • 1...Kh7
        • 2.f8Q#

Anticipated by 9404(1902)

This anticipates 151464(1908), 164804(1978), 55187(2004)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::P=Q
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
    • Try
      • P(B);CHECK
      • Vars
        • K(a);P-FLIGHT::R(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(E);
    • Threat
      • P=Q
    • Vars
      • K(a);S_FLIGHT::P=Q
      • K(a);P-FLIGHT::P=Q
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