MESON Chess Problem Database

Problem Display
PID: 198885 (3B4/8/4p2R/2K2k2/8/6P1/5N2/8 w - - 0 1)

Wosgien, Otto

Arbeiter Shachzeitung (Chemnitz), 1921

3B4/8/4p2R/2K2k2/8/6P1/5N2/8

#2

5 + 2

6490 yacpdb 2019
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Rh5#
  • Tries
    • 1.Be7?
      • 1...Ke5
        • 2.Rh5#
      • 1...e5!
    • 1.g4+?
      • 1...Ke5
        • 2.Bc7#
      • 1...Kf4!
  • Keys
    • 1.Bh4!
      • 1...Ke5
        • 2.Rh5#
      • 1...e5
        • 2.Rf6#

This anticipates 232186(1970)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::R(D)
  • Tries
    • Try
      • B(E);
      • Vars
        • K(a);P-FLIGHT::R(D)
      • Refutation
        • P(b);
    • Try
      • P(B);CHECK
      • Vars
        • K(a);P-FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(E);
    • Vars
      • K(a);P-FLIGHT::R(D)
      • P(b);SBLOCK::R1(D)
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