MESON Chess Problem Database

Problem Display
PID: 245293 (8/2B5/4K3/1Nkp4/8/1R6/8/7B w - - 0 1)

Onkoud, Abdelaziz

Buletin Problemistic, 1996

8/2B5/4K3/1Nkp4/8/1R6/8/7B

#2

5 + 2

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sa3?
      • 1...Kd4
        • 2.Bb6#
      • 1...d4
        • 2.Bb6#
        • 2.Bd6#
        • 2.Rb5#
      • 1...Kc6!
    • 1.Bd6+?
      • 1...Kc4
        • 2.Bxd5#
      • 1...Kc6
        • 2.Sd4#
        • 2.Sa7#
      • 1...Kb6!
  • Keys
    • 1.Sd6!
      • 1...Kd4
        • 2.Bb6#
      • 1...Kc6
        • 2.Rc3#
      • 1...d4
        • 2.Bb6#
        • 2.Rb5#

FEATURES

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