MESON Chess Problem Database

Problem Display
PID: 273851 (Q7/3P4/R7/3p4/2kP4/2P5/2R5/1K6 w - - 0 1)

Mihajloski, Zlatko

Miloseski, Bosko

Mat, 1972

Q7/3P4/R7/3p4/2kP4/2P5/2R5/1K6

#2

7 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Kb3
      • 2.Qxd5#
    • 1...Kb5
      • 2.Qc6#
  • Tries
    • 1.Kc1?
      • 1...Kb3
        • 2.Qxd5#
      • 1...Kb5
        • 2.Qc6#
      • 1...Kd3!
    • 1.Ka2?
      • 1...Kb5
        • 2.Qc6#
      • 1...Kd3!
    • 1.Kb2?
      • 1...Kb5
        • 2.Qc6#
      • 1...Kd3!
    • 1.Rc1?
      • 1...Kb3
        • 2.Qxd5#
      • 1...Kb5
        • 2.Qc6#
      • 1...Kd3!
    • 1.Ra1?
      • 1...Kb3
        • 2.Qxd5#
        • 2.Qa2#
        • 2.Qa4#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Raa2?
      • 1...Kb3
        • 2.Qxd5#
        • 2.Qa4#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Ra3?
      • threat
        • 2.Qa6#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Ra4+?
      • 1...Kb3
        • 2.Rb4#
      • 1...Kb5
        • 2.Rb2#
        • 2.Rb4#
        • 2.Qa6#
      • 1...Kd3!
    • 1.Ra5?
      • 1...Kb3
        • 2.Qxd5#
      • 1...Kd3!
    • 1.Rc6+?
      • 1...Kb3
        • 2.Rb2#
        • 2.Qa2#
      • 1...Kb5
        • 2.Rb2#
        • 2.Qa6#
      • 1...Kd3!
    • 1.Rd6?
      • 1...Kb3
        • 2.Qa2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Rf6?
      • 1...Kb3
        • 2.Qa2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Rg6?
      • 1...Kb3
        • 2.Qa2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Rh6?
      • 1...Kb3
        • 2.Qa2#
      • 1...Kb5
        • 2.Qa6#
      • 1...Kd3!
    • 1.Qc6+?
      • 1...Kb3
        • 2.Rb2#
        • 2.Qa4#
        • 2.Qb5#
        • 2.Qxd5#
      • 1...Kd3!
    • 1.Qc8+?
      • 1...Kb3
        • 2.Rb2#
      • 1...Kb5
        • 2.Rb2#
        • 2.Qc6#
      • 1...Kd3!
    • 1.Qe8?
      • 1...Kd3
        • 2.Qe2#
      • 1...Kb5
        • 2.Qe2#
      • 1...Kb3!
    • 1.Qf8?
      • 1...Kb3
        • 2.Qb4#
      • 1...Kb5
        • 2.Qf1#
      • 1...Kd3!
    • 1.d8Q?
      • 1...Kb3
        • 2.Qaxd5#
        • 2.Qdxd5#
      • 1...Kb5
        • 2.Qc6#
        • 2.Qdxd5#
      • 1...Kd3!
    • 1.d8S?
      • 1...Kb3
        • 2.Qxd5#
      • 1...Kb5
        • 2.Qc6#
      • 1...Kd3!
    • 1.d8B?
      • 1...Kb3
        • 2.Qxd5#
      • 1...Kb5
        • 2.Qc6#
      • 1...Kd3!
    • 1.d8R?
      • 1...Kb3
        • 2.Qxd5#
      • 1...Kb5
        • 2.Qc6#
      • 1...Kd3!
  • Keys
    • 1.Re6!
      • 1...Kb3
        • 2.Qa2#
      • 1...Kd3
        • 2.Qa6#
      • 1...Kb5
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_GUARD,S_FLIGHT::QAB(G),XP(b)
    • K(a);N_GUARD,S_FLIGHT::QAB1(G)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB(G),XP(b)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(B);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB(G),XP(b)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Threat
        • QAB(G)
      • Vars
        • K(a);S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::R1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB(G),XP(b)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);CHECK
      • Vars
        • K(a);N_GUARD,S_FLIGHT::R1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
        • K(a);N_GUARD,S_FLIGHT::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAR1(G)
        • K(a);N_GUARD,S_FLIGHT::QAB(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB(G),XP(b)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB(G),XP(b)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(F);
      • Vars
        • K(a);N_GUARD,S_FLIGHT::QAB(G),XP(b)
        • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • R(E);
    • Vars
      • K(a);N_GUARD,S_FLIGHT::QAB1(G)
      • K(a);N_GUARD,S_FLIGHT::QAB(G)
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