MESON Chess Problem Database

Problem Display
PID: 238085 (8/6B1/3K2n1/6k1/3p2P1/3B1P1P/4Pp1Q/8 w - - 0 1)

Hermanson, Halvar

Arbejder-Skak, 1953

8/6B1/3K2n1/6k1/3p2P1/3B1P1P/4Pp1Q/8

#2

8 + 4

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kh4
      • 2.Bf6#
    • 1...Sf4
      • 2.h4#
    • 1...Sh4
      • 2.f4#
    • 1...Se5
      • 2.h4#
    • 1...Se7
      • 2.h4#
    • 1...Sf8
      • 2.h4#
    • 1...Sh8
      • 2.h4#
  • Tries
    • 1.f4+?
      • 1...Kh4
        • 2.Bf6#
      • 1...Sxf4!
  • Keys
    • 1.Qxf2!
      • 1...Kf4
        • 2.Bh6#
      • 1...Sf4
        • 2.h4#
      • 1...Sh4
        • 2.f4#
      • 1...Se5
        • 2.f4#
      • 1...Se7
        • 2.f4#
      • 1...Sf8
        • 2.f4#
      • 1...Sh8
        • 2.f4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(c);S_FLIGHT::B(H)
    • S(d);N_GUARD::P(E)
    • S(d);N_GUARD,SBLOCK::P(D)
  • Tries
    • Try
      • P(D);CHECK
      • Vars
        • K(c);S_FLIGHT::B(H)
      • Refutation
        • S(d);XP(D)
  • Actual
    • Q(B);XP(a)
    • Vars
      • K(c);S_FLIGHT::B(H)
      • S(d);N_GUARD,SBLOCK::P(E)
      • S(d);N_GUARD::P(D)
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