MESON Chess Problem Database

Problem Display
PID: 12078 (8/N7/3p4/KN6/P1k5/5Q2/8/8 w - - 0 1)

Makaronets, Leonid

Problem (Zagreb), 1974

8/N7/3p4/KN6/P1k5/5Q2/8/8

#2

5 + 2

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Qc6#
    • 1...d5
      • 2.Qc3#
  • Tries
    • 1.Kb6?
      • 1...d5
        • 2.Qc3#
      • 1...Kb4!
    • 1.Sc6?
      • 1...d5
        • 2.Qc3#
      • 1...Kc5!
    • 1.Sc8?
      • 1...d5
        • 2.Qc3#
      • 1...Kc5!
    • 1.Qe4+?
      • 1...Kc5
        • 2.Qc6#
        • 2.Qd4#
      • 1...Kb3!
    • 1.Qa3?
      • 1...d5
        • 2.Qc3#
      • 1...Kd5!
    • 1.Qd3+?
      • 1...Kc5
        • 2.Qd4#
      • 1...Kxd3!
    • 1.Qe3?
      • 1...d5
        • 2.Sa3#
        • 2.Sd6#
        • 2.Qc3#
      • 1...Kd5!
    • 1.Qf5?
      • 1...d5
        • 2.Qc2#
      • 1...Kb3!
  • Keys
    • 1.Qd1!
      • 1...Kc5
        • 2.Qd4#
      • 1...d5
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR1(A)
    • P(b);SBLOCK::QAR1(A)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);SBLOCK::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);P-FLIGHT::QAB1(A)
      • P(b);SBLOCK::QAR2(A)
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