MESON Chess Problem Database

Problem Display
PID: 86803 (8/1N6/5B2/2K5/4k3/8/5Q2/8 w - - 0 1)

Pilchenko, Viacheslav Karlovich

Die Schwalbe, 2000

8/1N6/5B2/2K5/4k3/8/5Q2/8

#2

4 + 1

6490 yacpdb 2009
5454 Near Snap 2019

SOLUTION

  • SOUND
  • Tries
    • 1.Kb4?
      • 1...Kd3
        • 2.Sc5#
      • 1...Kd5!
  • Keys
    • 1.Kb5!
      • 1...Kd3
        • 2.Sc5#
      • 1...Kd5
        • 2.Qf5#

Anticipated by 176188(1968)

FEATURES

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