MESON Chess Problem Database

Problem Display
PID: 210077 (8/8/4R2K/8/B5k1/6B1/4N2P/8 w - - 0 1)

Gavriliv, Evgeni M

Land og Folk, 1979

8/8/4R2K/8/B5k1/6B1/4N2P/8

#2

6 + 1

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sf4?
      • 1...Kf3
        • 2.Bd1#
      • 1...Kf5!
    • 1.Rg6+?
      • 1...Kh3
        • 2.Sf4#
      • 1...Kf5
        • 2.Bc2#
      • 1...Kf3!
    • 1.h3+?
      • 1...Kf3
        • 2.Bc6#
      • 1...Kf5
        • 2.Sd4#
      • 1...Kxh3!
  • Keys
    • 1.Bd1!
      • 1...Kf3
        • 2.Sf4#
      • 1...Kh3
        • 2.Sf4#
      • 1...Kf5
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);S_FLIGHT::S(A)
        • K(a);S_FLIGHT::B(D)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(D)
        • K(a);S_FLIGHT::S(A)
      • Refutation
        • K(a);S_FLIGHT,XP(B)
  • Actual
    • B(D);
    • Vars
      • K(a);S_FLIGHT::B(D)+S(A)
      • K(a);S_FLIGHT::S(A)
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