MESON Chess Problem Database

Problem Display
PID: 9312 (K1B5/3P1k2/7p/4Q2P/8/8/8/8 w - - 0 1)

Shinkman, William Anthony

New York Clipper, 1874

K1B5/3P1k2/7p/4Q2P/8/8/8/8

#2

5 + 2

3757 Schachminiaturen I 1902
3925 The Golden Argosy 1929
4872 Themes-64 1957
3295 Einfuhrung in die Welt des Schachproblem 1984
5454 Near Snap 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qg7+?
      • 1...Ke6
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxg7!
    • 1.Qe7+?
      • 1...Kg8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kxe7!
  • Keys
    • 1.Qc7!
      • threat
        • 2.d8Q#
      • 1...Ke6
        • 2.d8Q#
      • 1...Kf6
        • 2.d8Q#
        • 2.d8B#
      • 1...Ke7
        • 2.d8Q#
      • 1...Kg7
        • 2.d8Q#
      • 1...Kf8
        • 2.d8Q#
        • 2.d8R#
      • 1...Kg8
        • 2.d8Q#
        • 2.d8R#

This anticipates 170467(1944), 201747(1971), 858(1982)

There are these afters: 2150

FEATURES

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