MESON Chess Problem Database

Problem Display
PID: 2838 (8/2P5/8/8/8/Q7/8/1k2K3 w - - 0 1)

Shinkman, William Anthony

Source?, 1885

8/2P5/8/8/8/Q7/8/1k2K3

#2

3 + 1

5454 Near Snap 2009
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Qa2+?
      • 1...Kc1
        • 2.c8Q#
        • 2.c8R#
      • 1...Kxa2!
    • 1.Qb3+?
      • 1...Kc1
        • 2.c8Q#
        • 2.c8R#
      • 1...Ka1!
  • Keys
    • 1.c8B!
      • 1...Kc2
        • 2.Bf5#

This anticipates 187867(1910)

FEATURES

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