MESON Chess Problem Database

Problem Display
PID: 32673 (8/2K1PkP1/3P4/7R/6B1/8/8/8 w - - 0 1)

Thompson, Theophilus Augustus

Chess Problems by Theophilus A. Thompson, 1873

8/2K1PkP1/3P4/7R/6B1/8/8/8

#2

6 + 1

5454 Near Snap 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke8
      • 2.g8Q#
  • Tries
    • 1.g8Q+?
      • 1...Kf6
        • 2.Rf5#
        • 2.e8S#
      • 1...Kxg8!
  • Keys
    • 1.e8S!
      • 1...Kg6
        • 2.g8Q#
      • 1...Kxe8
        • 2.g8Q#
      • 1...Kg8
        • 2.Be6#

This anticipates 224411(1888), 232306(2007)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::P=Q
  • Tries
    • Try
      • P(F);CHECK
      • Refutation
        • K(a);S_FLIGHT,XQ(F)
  • Actual
    • P(E);
    • Vars
      • K(a);S_FLIGHT::P=Q
      • K(a);S_FLIGHT,XS(E)::P=Q
      • K(a);S_FLIGHT::B(A)
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