MESON Chess Problem Database

Problem Display
PID: 93179 (8/3k4/8/P7/1K1N1Q2/3B4/8/3R4 w - - 0 1)

Balslev, Ole

Skakbladet, 1965

8/3k4/8/P7/1K1N1Q2/3B4/8/3R4

#2

6 + 1

6490 yacpdb 2009
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Qd6+?
      • 1...Kc8
        • 2.Ba6#
      • 1...Ke8
        • 2.Bg6#
      • 1...Kxd6!
  • Keys
    • 1.Sc6!
      • 1...Kxc6
        • 2.Be4#
      • 1...Ke6
        • 2.Bc4#
      • 1...Kc8
        • 2.Ba6#
      • 1...Ke8
        • 2.Bg6#

Anticipated by 18404(1955), 104707(1964-1965)

This anticipates 86816(1992), 162980(2012)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::B(B)
      • Refutation
        • K(a);P-FLIGHT,XQ(E)
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT,XS(D)::B(B)
      • K(a);S_FLIGHT::B(B)
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