MESON Chess Problem Database

Problem Display
PID: 174690 (8/2p5/2p1NPpP/4k1N1/4P2K/BP6/3P4/8 w - - 0 1)

Liebeck, Professor Hans

Busmen's Chess Review, 1957

8/2p5/2p1NPpP/4k1N1/4P2K/BP6/3P4/8

#2

9 + 4

5454 Near Snap 2021
3713 Snap 2023

SOLUTION

  • SOUND
  • Tries
    • 1.h7?
      • 1...Kxf6
        • 2.h8Q#
        • 2.h8B#
      • 1...c5!
  • Keys
    • 1.Sc5!
      • 1...Kd4
        • 2.Sf3#
      • 1...Kf4
        • 2.Sd3#
      • 1...Kd6
        • 2.Sf7#
      • 1...Kxf6
        • 2.Sd7#

Anticipated by 268512(1956)

This anticipates 79282(1963), 81801(1994)

FEATURES

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