MESON Chess Problem Database

Problem Display
PID: 47316 (kq1BR3/8/2K1R3/8/4B3/8/8/8 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Territoriya, 1993

kq1BR3/8/2K1R3/8/4B3/8/8/8

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Bb6#
    • 1...Qb2
      • 2.Bb6#
    • 1...Qb3
      • 2.Bb6#
    • 1...Qb4
      • 2.Bb6#
    • 1...Qb6+
      • 2.Bxb6#
  • Tries
    • 1.Kc5+?
      • 1...Qb7
        • 2.Bb6#
      • 1...Ka7!
  • Keys
    • 1.Bb6!
      • threat
        • 2.Kb5#
        • 2.Kc5#
        • 2.Kd7#
      • 1...Qc8+
        • 2.Rxc8#
      • 1...Qxe8+
        • 2.Rxe8#
      • 1...Qd8
        • 2.Rxd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • Q(b);OGATEB::R(E)+B(D)
    • Q(b);CHECK,OGATEB::R(E)+B(D),XQ(b)
  • Tries
    • Try
      • K(B);CHECK,P-FLIGHT
      • Vars
        • Q(b);P_SPINQ(b)::R(E)+B(D)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • B(D);P_PINQ(b)
    • Threat
      • DUALS(3)
    • Vars
      • Q(b);CHECK,OGATEB::R(E),XQ(b)
      • Q(b);CHECK,N_SPINQ(b),OGATE,XR(E)::R(C),XQ(b)
      • Q(b);OGATEB::R(E),XQ(b)
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