MESON Chess Problem Database

Problem Display
PID: 215710 (8/2p5/2p2P1K/2N1k1N1/4P3/1P5P/3B1P2/8 w - - 0 1)

Barsdorf, J

Berliner Sonntagsblatt, 1882

8/2p5/2p2P1K/2N1k1N1/4P3/1P5P/3B1P2/8

#2

9 + 3

6490 yacpdb 2020
5454 Near Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.Sge6?
      • 1...Kd6
        • 2.Bf4#
      • 1...Kxf6!
    • 1.Bc3+?
      • 1...Kf4
        • 2.Sd3#
        • 2.Sce6#
      • 1...Kd6!
    • 1.Be3?
      • 1...Kd6
        • 2.Sf7#
      • 1...Kxf6!
  • Keys
    • 1.Bb4!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd6
        • 2.Sf7#
      • 1...Kxf6
        • 2.Sd7#

This anticipates 149220(2010)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Vars
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
    • Try
      • B(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(a);S_FLIGHT::S(G)
      • Refutation
        • K(a);S_FLIGHT,XP(H)
  • Actual
    • B(A);
    • Vars
      • K(a);S_FLIGHT::S(G)
      • K(a);S_FLIGHT::S(F)
      • K(a);S_FLIGHT,XP(H)::S(F)
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