MESON Chess Problem Database

Problem Display
PID: 205516 (4B3/5PBk/8/5p1N/5K2/8/8/8 w - - 0 1)

Ullrich, Ewald

Dresdner Anzeiger, 1925

4B3/5PBk/8/5p1N/5K2/8/8/8

#2

5 + 2

5454 Near Snap 2020
3713 Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kg6
      • 2.f8S#
  • Tries
    • 1.Sf6+?
      • 1...Kg6
        • 2.f8Q#
        • 2.f8B#
      • 1...Kxg7!
  • Keys
    • 1.f8B!
      • 1...Kg8
        • 2.Sf6#

Anticipated by 21732(1920)

This anticipates 124373(1937)

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(b);S_FLIGHT::P=S
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • K(b);S_FLIGHT::P=Q
      • Refutation
        • K(b);P-FLIGHT,XB(D)
  • Actual
    • P(C);
    • Vars
      • K(b);S_FLIGHT::S(B)
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