MESON Chess Problem Database

Problem Display
PID: 231086 (8/8/1K6/1B6/8/1k6/3Q4/8 w - - 0 1)

Lebedev, Viacheslav Aleksandr

Neue Leipziger Zeitung, 1927

8/8/1K6/1B6/8/1k6/3Q4/8

#2

3 + 1

5454 Near Snap 2021
6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bc6?
      • 1...Kc4
        • 2.Bd5#
      • 1...Ka3!
    • 1.Bd7?
      • 1...Kc4
        • 2.Be6#
      • 1...Ka3!
    • 1.Be8?
      • 1...Kc4
        • 2.Bf7#
      • 1...Ka3!
  • Keys
    • 1.Qc1!
      • 1...Ka2
        • 2.Bc4#
      • 1...Kb4
        • 2.Qb2#

Anticipated by 4544(1878)

This anticipates 10900(1969), 11738(1971)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(B);
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);P-FLIGHT::QAR2(A)
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