MESON Chess Problem Database

Problem Display
PID: 77555 (8/6kp/7N/5PB1/7K/8/8/8 w - - 0 1)

Thompson, JC

The Tablet, 1952

(First published on Sat Jan 12 1952)

8/6kp/7N/5PB1/7K/8/8/8

#2

4 + 2

5454 Near Snap 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kh8
      • 2.Bf6#
  • Tries
    • 1.Kg3?
      • 1...Kh8
        • 2.Bf6#
      • 1...Kf8!
    • 1.Kh3?
      • 1...Kh8
        • 2.Bf6#
      • 1...Kf8!
    • 1.Kg4?
      • 1...Kh8
        • 2.Bf6#
      • 1...Kf8!
    • 1.Kh5?
      • 1...Kh8
        • 2.Bf6#
      • 1...Kf8!
  • Keys
    • 1.Be7!
      • 1...Kxh6
        • 2.Bf8#
      • 1...Kh8
        • 2.Bf6#

Anticipated by 183159(1907), 76743(1944)

This anticipates 103626(1996)

FEATURES

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