MESON Chess Problem Database

Problem Display
PID: 202241 (kb6/2pN4/P7/1N6/8/8/8/7K w - - 0 1)

Henke, Walter

Dresdner Anzeiger, 1923

kb6/2pN4/P7/1N6/8/8/8/7K

#2

4 + 3

3713 Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba7
      • 2.Sxc7#
    • 1...c5
      • 2.Sb6#
    • 1...c6
      • 2.Sb6#
  • Tries
    • 1.Kg1?
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sb6#
      • 1...Ba7+!
  • Keys
    • 1.Kg2!
      • 1...Ba7
        • 2.Sxc7#
      • 1...c5
        • 2.Sb6#
      • 1...c6
        • 2.Sb6#

Anticipated by 201689(1922)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD,SBLOCK::S(B),XP(a)
    • P(a);N_GUARD::S(D)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • P(a);N_GUARD::S(D)
      • Refutation
        • B(c);CHECK
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • B(c);N_GUARD,SBLOCK::S(B),XP(a)
      • P(a);N_GUARD::S(D)
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