MESON Chess Problem Database

Problem Display
PID: 165374 (N5B1/3NkP2/8/8/7K/2B5/8/8 w - - 0 1)

Nikitin, Vladimir V

Rochade Europa, 1999

N5B1/3NkP2/8/8/7K/2B5/8/8

#2

6 + 1

15148 Sadier Collection 2017
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sb8?
      • 1...Kd6
        • 2.f8Q#
        • 2.f8B#
      • 1...Ke6
        • 2.f8Q#
      • 1...Kd8
        • 2.f8Q#
      • 1...Kf8!
  • Keys
    • 1.Se5!
      • 1...Kd6
        • 2.f8Q#
        • 2.f8B#
      • 1...Ke6
        • 2.f8Q#
      • 1...Kf6
        • 2.f8Q#
      • 1...Kd8
        • 2.f8Q#
      • 1...Kf8
        • 2.Sg6#

This anticipates 178213(2005)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • K(a);S_FLIGHT::P=Q
        • K(a);P-FLIGHT::P=Q
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::P=Q
      • K(a);P-FLIGHT::P=Q
      • K(a);S_FLIGHT::S(C)
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