MESON Chess Problem Database

Problem Display
PID: 287428 (8/8/8/5N2/6p1/4K1B1/4N1k1/1B6 w - - 0 1)

Zheltukhov, Viktor Ivanovich

Comm., Problem Paradise, 2019

8/8/8/5N2/6p1/4K1B1/4N1k1/1B6

#2

5 + 2

15601 Albrecht-Leiss-Degener Collection 2026

SOLUTION

  • SOUND
  • Sets
    • 1...Kh1
      • 2.Be4#
    • 1...Kh3
      • 2.Sf4#
  • Tries
    • 1.Kd3?
      • 1...Kf1
        • 2.Se3#
      • 1...Kf3
        • 2.Sh4#
      • 1...Kh3
        • 2.Sf4#
      • 1...Kh1!
    • 1.Ba2?
      • 1...Kh1
        • 2.Bd5#
      • 1...Kh3
        • 2.Sf4#
      • 1...Kf1!
    • 1.Bc2?
      • 1...Kh1
        • 2.Be4#
      • 1...Kh3
        • 2.Sf4#
      • 1...Kf1!
    • 1.Bd3?
      • 1...Kh1
        • 2.Be4#
      • 1...Kh3
        • 2.Sf4#
      • 1...Kf1!
    • 1.Be4+?
      • 1...Kh3
        • 2.Sg1#
        • 2.Sf4#
      • 1...Kf1!
  • Keys
    • 1.Kd2!
      • 1...Kf1
        • 2.Se3#
      • 1...Kh1
        • 2.Be4#
      • 1...Kf3
        • 2.Sh4#
      • 1...Kh3
        • 2.Sf4#

FEATURES

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