MESON Chess Problem Database

Problem Display
PID: 145006 (8/r7/3B2pp/RBQ5/6k1/8/8/3K4 w - - 0 1)

Tanic, Zivota

4th Prize, Problem (Zagreb), 1970

8/r7/3B2pp/RBQ5/6k1/8/8/3K4

#2

5 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Ra4+?
      • 1...Kf3
        • 2.Bc6#
      • 1...Kh3
        • 2.Bf1#
      • 1...Rxa4!
  • Keys
    • 1.Qd4+!
      • 1...Kf3
        • 2.Bc6#
      • 1...Kh3
        • 2.Bf1#
      • 1...Kf5
        • 2.Bd7#
      • 1...Kg5
        • 2.Ba6#
      • 1...Kh5
        • 2.Be2#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(B);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • R(d);XR(B)
  • Actual
    • Q(D);CHECK
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);S_FLIGHT::R(B)+B(C),DCHECK
      • K(a);P-FLIGHT::R(B)+B(C)
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