MESON Chess Problem Database

Problem Display
PID: 231140 (8/5Bk1/1B6/3Q4/7K/8/8/8 w - - 0 1)

Lindstrom, D

Nya Dagligt Allehanda, 1927

8/5Bk1/1B6/3Q4/7K/8/8/8

#2

4 + 1

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bd4+?
      • 1...Kh6
        • 2.Qh5#
      • 1...Kh7
        • 2.Qh5#
      • 1...Kf8!
    • 1.Qf5?
      • 1...Kh6
        • 2.Qg6#
      • 1...Kh8
        • 2.Bd4#
      • 1...Kf8!
  • Keys
    • 1.Bg8!
      • 1...Kf6
        • 2.Qg5#
      • 1...Kg6
        • 2.Qg5#
      • 1...Kh6
        • 2.Qg5#
      • 1...Kf8
        • 2.Qf7#
      • 1...Kh8
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);P-FLIGHT::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);P-FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::B(C)
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