MESON Chess Problem Database

Problem Display
PID: 208038 (4K1kB/8/8/8/8/8/8/7Q w - - 0 1)

Shinkman, William Anthony

Dubuque Chess Journal, 1873

4K1kB/8/8/8/8/8/8/7Q

#2

3 + 1

5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qg2+?
      • 1...Kh7
        • 2.Qg7#
      • 1...Kxh8!
    • 1.Qg1+?
      • 1...Kh7
        • 2.Qg7#
      • 1...Kxh8!
  • Keys
    • 1.Qa1!
      • 1...Kh7
        • 2.Qg7#

This anticipates 138407(1980)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XB(C)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
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