MESON Chess Problem Database

Problem Display
PID: 247565 (2Q4N/8/8/4k3/8/8/4KBB1/8 w - - 0 1)

Elidnev, N

Zadachi i Etyudi, 2003

2Q4N/8/8/4k3/8/8/4KBB1/8

#2

5 + 1

SOLUTION

  • SOUND
  • Tries
    • 1.Sg6+?
      • 1...Kd6
        • 2.Bg3#
        • 2.Bc5#
        • 2.Qc6#
      • 1...Kf6!
    • 1.Bh3?
      • 1...Ke4
        • 2.Qf5#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kd5
        • 2.Qe6#
      • 1...Kd6
        • 2.Qc5#
      • 1...Kf6!
  • Keys
    • 1.Bh4!
      • 1...Kd4
        • 2.Bf6#
      • 1...Kf4
        • 2.Sg6#
      • 1...Kd6
        • 2.Sf7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);P-FLIGHT::QAB1(D)
        • K(a);S_FLIGHT::QAR1(D)
        • K(a);S_FLIGHT::QAB1(D)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • B(B);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);S_FLIGHT::S(E)
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