MESON Chess Problem Database

Problem Display
PID: 194391 (4K3/1N6/6p1/4k3/8/1P1pB2P/3P4/7Q w - - 0 1)

Boerefijn, M

de Haas, Bastian Evert

Probleemblad, 1979

4K3/1N6/6p1/4k3/8/1P1pB2P/3P4/7Q

#2

7 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Ke7?
      • 1...Kf5
        • 2.Qd5#
      • 1...g5!
    • 1.Kf7?
      • 1...Kf5
        • 2.Qd5#
      • 1...g5!
    • 1.Qd5+?
      • 1...Kf6
        • 2.Bd4#
      • 1...Kxd5!
  • Keys
    • 1.Bg5!
      • 1...Kd4
        • 2.Bf6#
      • 1...Kf5
        • 2.Qd5#
      • 1...Ke6
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(b);P-FLIGHT::QAR2(A)
      • Refutation
        • P(c);
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(D)
      • Refutation
        • K(b);P-FLIGHT,XQ(A)
  • Actual
    • B(D);
    • Vars
      • K(b);S_FLIGHT::B(D)
      • K(b);P-FLIGHT::QAR2(A)
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