MESON Chess Problem Database

Problem Display
PID: 15928 (8/8/1N3p2/5K2/1B6/8/2k5/Q4N2 w - - 0 1)

Melnichenko, Viktor Oleksandrovich

3rd HM., Patriot Batkivshini, 1989

8/8/1N3p2/5K2/1B6/8/2k5/Q4N2

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002
136 Problem Observer 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kb3
      • 2.Qb1#
    • 1...Kd3
      • 2.Qd1#
  • Tries
    • 1.Ke4?
      • 1...Kb3
        • 2.Qb1#
      • 1...f5+!
    • 1.Kf4?
      • 1...Kb3
        • 2.Qb1#
      • 1...Kd3
        • 2.Qd1#
      • 1...f5!
    • 1.Kxf6?
      • 1...Kb3
        • 2.Qb1#
      • 1...Kd3!
    • 1.Sh2?
      • 1...Kb3
        • 2.Qb1#
      • 1...Kd3!
    • 1.Se3+?
      • 1...Kb3
        • 2.Qb1#
        • 2.Qa3#
      • 1...Kd3!
    • 1.Be1?
      • 1...Kd3
        • 2.Qd1#
      • 1...Kb3!
    • 1.Ba3?
      • 1...Kb3
        • 2.Qb2#
      • 1...Kd3!
    • 1.Bc3?
      • 1...Kb3
        • 2.Qb2#
      • 1...Kd3!
    • 1.Ba5?
      • 1...Kd3
        • 2.Qd1#
      • 1...Kb3!
    • 1.Qb2+?
      • 1...Kd1
        • 2.Se3#
        • 2.Qd2#
      • 1...Kd3
        • 2.Qd2#
      • 1...Kxb2!
    • 1.Qc3+?
      • 1...Kd1
        • 2.Qd2#
      • 1...Kb1!
    • 1.Qc1+?
      • 1...Kb3
        • 2.Qb1#
      • 1...Kd3
        • 2.Qd2#
        • 2.Qd1#
        • 2.Qc4#
      • 1...Kxc1!
    • 1.Qe1?
      • 1...Kb3
        • 2.Qb1#
      • 1...Kd3
        • 2.Qd2#
        • 2.Qd1#
        • 2.Qe4#
      • 1...Kb2!
    • 1.Qa2+?
      • 1...Kd1
        • 2.Qd2#
      • 1...Kd3
        • 2.Qc4#
        • 2.Qd2#
      • 1...Kc1!
  • Keys
    • 1.Sg3!
      • 1...Kb3
        • 2.Qb1#
      • 1...Kd3
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT::QAR2(A)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);CHECK
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • K(D);P-FLIGHT,XP(b)
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAR2(A)
      • K(a);S_FLIGHT::QAR1(A)
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