MESON Chess Problem Database

Problem Display
PID: 176578 (8/3P4/P4B2/1B2R1Q1/1p6/1p6/pkPP1N2/R4K2 w - - 0 1)

Janevski, Zivko

Comm., Schach-Echo, 1979

8/3P4/P4B2/1B2R1Q1/1p6/1p6/pkPP1N2/R4K2

#2

11 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxa1
      • 2.Re1#
    • 1...Kxc2
      • 2.Rc5#
    • 1...bxc2
      • 2.Re3#
  • Tries
    • 1.Kg1?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Kg2?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Sh1?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Sd3+?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc1#
        • 2.Rc5#
      • 1...Ka3!
    • 1.Sh3?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Sg4?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Be2?
      • 1...Kxc2
        • 2.Rc5#
      • 1...Ka3
        • 2.Ra5#
      • 1...bxc2
        • 2.Re3#
      • 1...Kxa1!
    • 1.Bd3?
      • threat
        • 2.Ra5#
      • 1...Kxa1
        • 2.Re1#
      • 1...Ka3
        • 2.Ra5#
      • 1...bxc2!
    • 1.Ba4?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Bc4?
      • 1...Kxa1
        • 2.Re1#
      • 1...Ka3
        • 2.Ra5#
      • 1...bxc2
        • 2.Re3#
        • 2.Ra5#
      • 1...Kxc2!
    • 1.Bg7?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Bh8?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Ree1+?
      • 1...Kxc2
        • 2.Bd3#
        • 2.Rac1#
        • 2.Rec1#
      • 1...Ka3!
    • 1.Re2+?
      • 1...Kxc2
        • 2.Bd3#
        • 2.Qc5#
        • 2.Qf5#
        • 2.Qg6#
        • 2.d3#
      • 1...Ka3!
    • 1.Re3+?
      • 1...Ka3
        • 2.Rxb3#
      • 1...Kxc2!
    • 1.Re4+?
      • 1...Kxc2
        • 2.Bd3#
        • 2.Rc4#
      • 1...Ka3!
    • 1.Rd5+?
      • 1...Kxc2
        • 2.Bd3#
        • 2.Rc5#
        • 2.Qf5#
        • 2.Qg6#
      • 1...Ka3!
    • 1.Rf5+?
      • 1...Kxc2
        • 2.Bd3#
        • 2.Rc5#
      • 1...Ka3!
    • 1.Re6+?
      • 1...Kxc2
        • 2.Bd3#
        • 2.Rc6#
      • 1...Ka3!
    • 1.Re7+?
      • 1...Kxc2
        • 2.Bd3#
      • 1...Ka3!
    • 1.Re8+?
      • 1...Kxc2
        • 2.Bd3#
        • 2.Rc8#
      • 1...Ka3!
    • 1.Qe3?
      • 1...Kxc2
        • 2.Rc5#
      • 1...Ka3
        • 2.Qxb3#
      • 1...bxc2
        • 2.Re4#
        • 2.Rc5#
        • 2.Rd5#
        • 2.Rf5#
        • 2.Rg5#
        • 2.Rh5#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...Kxa1!
    • 1.Qf4?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Qh6?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Qg3?
      • 1...Kxa1
        • 2.Re1#
      • 1...Ka3
        • 2.Qxb3#
      • 1...bxc2
        • 2.Ree1#
        • 2.Re2#
        • 2.Re3#
        • 2.Re4#
        • 2.Rc5#
        • 2.Rd5#
        • 2.Rf5#
        • 2.Rg5#
        • 2.Rh5#
        • 2.Re6#
        • 2.Re7#
        • 2.Re8#
      • 1...Kxc2!
    • 1.Qf5?
      • 1...Kxa1
        • 2.Re1#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Qg6?
      • 1...Kxa1
        • 2.Re1#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.Qg8?
      • 1...Kxa1
        • 2.Re1#
      • 1...Ka3
        • 2.Qxb3#
      • 1...bxc2
        • 2.Re3#
        • 2.Qxa2#
      • 1...Kxc2!
    • 1.a7?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.d8Q?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.d8S?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.d8B?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
    • 1.d8R?
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...bxc2
        • 2.Re3#
      • 1...Ka3!
  • Keys
    • 1.Bc6!
      • 1...Kxa1
        • 2.Re1#
      • 1...Kxc2
        • 2.Rc5#
      • 1...Ka3
        • 2.Ra5#
      • 1...bxc2
        • 2.Re3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
    • K(b);P-FLIGHT,XP(C)::R(G)
    • P(c);SBLOCK,XP(C)::B(J)+R(G)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);P-FLIGHT,XP(C)::R(G)
        • K(b);P_SPINP(a),S_FLIGHT::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
    • Try
      • B(F);
      • Threat
        • B(J)+R(G)
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P_SPINP(a),S_FLIGHT::R(G)
      • Refutation
        • P(c);XP(C)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,P_SPINP(c),XP(C)::R(G)
        • P(c);XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P_SPINP(a),S_FLIGHT::R(G)
      • Refutation
        • K(b);P-FLIGHT,XP(C)
    • Try
      • B(J);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • B(J);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • K(b);P_SPINP(a),S_FLIGHT::R1(G),XP(c)
      • Refutation
        • K(b);P-FLIGHT,XP(C)
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(C)::B(F)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(G);CHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);P-FLIGHT,XP(C)::R(G)
        • K(b);P_SPINP(a),S_FLIGHT::QAR1(H),XP(c)
      • Refutation
        • K(b);S_FLIGHT,XR(A)
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P_SPINP(a),S_FLIGHT::QAR1(H),XP(c)
      • Refutation
        • K(b);P-FLIGHT,XP(C)
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • P(c);XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • P(c);XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P_SPINP(a),S_FLIGHT::QAR1(H),XP(c)
      • Refutation
        • K(b);P-FLIGHT,XP(C)
    • Try
      • P(I);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • P(K);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • P(K);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • P(K);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • P(K);
      • Vars
        • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
        • K(b);P-FLIGHT,XP(C)::R(G)
        • P(c);SBLOCK,XP(C)::B(J)+R(G)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
  • Actual
    • B(F);
    • Vars
      • K(b);S_FLIGHT,XR(A)::B(J)+R(G),DCHECK
      • K(b);P-FLIGHT,XP(C)::R(G)
      • K(b);P_SPINP(a),S_FLIGHT::R(G)
      • P(c);SBLOCK,XP(C)::B(J)+R(G)
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