MESON Chess Problem Database

Problem Display
PID: 50482 (8/2p5/2P5/1pRN4/1Pp5/P2N4/2k1B3/R3K3 w Q - 0 1)

Gruber, Bratoljub

Problem (Zagreb), 1955

8/2p5/2P5/1pRN4/1Pp5/P2N4/2k1B3/R3K3

#2

9 + 4

273 Mat Plus 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Kb3
      • 2.Bd1#
    • 1...c3
      • 2.Rxc3#
  • Tries
    • 1.Kf1?
      • 1...Kd2
        • 2.Ra2#
      • 1...Kb3
        • 2.Bd1#
      • 1...c3!
    • 1.Kf2?
      • 1...Kd2
        • 2.Ra2#
      • 1...Kb3
        • 2.Bd1#
      • 1...c3!
    • 1.Bf1?
      • 1...c3
        • 2.Rxc3#
      • 1...Kb3!
    • 1.Bg4?
      • 1...Kb3
        • 2.Bd1#
      • 1...c3
        • 2.Rxc3#
      • 1...Kxd3!
    • 1.Bh5?
      • 1...Kb3
        • 2.Bd1#
      • 1...c3
        • 2.Rxc3#
      • 1...Kxd3!
    • 1.Rd1?
      • 1...c3
        • 2.Rxc3#
      • 1...Kb3!
    • 1.Ra2+?
      • 1...Kb1
        • 2.Sc3#
      • 1...Kb3!
    • 1.a4?
      • 1...Kb3
        • 2.Bd1#
      • 1...c3
        • 2.Rxc3#
      • 1...bxa4!
  • Keys
    • 1.Bf3!
      • 1...Kb3
        • 2.Bd1#
      • 1...Kxd3
        • 2.0-0-0#
      • 1...c3
        • 2.Rxc3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINP(b),S_FLIGHT::B(C)
    • P(b);OGATE::R1(G),XP(b)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::R(A)
        • K(a);N_SPINP(b),S_FLIGHT::B(C)
      • Refutation
        • P(b);
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::R(A)
        • K(a);N_SPINP(b),S_FLIGHT::B(C)
      • Refutation
        • P(b);
    • Try
      • B(C);
      • Vars
        • P(b);OGATE::R1(G),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::B(C)
        • P(b);OGATE::R1(G),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XS(E)
    • Try
      • B(C);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::B(C)
        • P(b);OGATE::R1(G),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XS(E)
    • Try
      • R(A);
      • Vars
        • P(b);OGATE::R1(G),XP(b)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • R(A);CHECK
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(H)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::B(C)
        • P(b);OGATE::R1(G),XP(b)
      • Refutation
        • P(c);XP(D)
  • Actual
    • B(C);
    • Vars
      • K(a);N_SPINP(b),S_FLIGHT::B(C)
      • K(a);N_SPINP(b),S_FLIGHT,XS(E)::0-0-0
      • P(b);OGATE::R1(G),XP(b)
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