MESON Chess Problem Database

Problem Display
PID: 19178 (8/2K5/8/1p6/kp6/N2Q4/8/4B3 w - - 0 1)

Sushkov, Yuri Akimovich

2nd Prize, Bron MT, 1986

8/2K5/8/1p6/kp6/N2Q4/8/4B3

#2

4 + 3

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Ka5
      • 2.Qxb5#
    • 1...bxa3
      • 2.Qc2#
      • 2.Qd1#
  • Tries
    • 1.Kb6?
      • 1...bxa3
        • 2.Qc2#
        • 2.Qxb5#
        • 2.Qd1#
      • 1...b3!
    • 1.Kc6?
      • 1...Ka5
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qc2#
        • 2.Qxb5#
        • 2.Qd1#
      • 1...b3!
    • 1.Kd6?
      • 1...Ka5
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qc2#
        • 2.Qd1#
      • 1...b3!
    • 1.Kb7?
      • 1...Ka5
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qc2#
        • 2.Qd1#
      • 1...b3!
    • 1.Kd7?
      • 1...Ka5
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qc2#
        • 2.Qd1#
      • 1...b3!
    • 1.Kb8?
      • 1...Ka5
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qc2#
        • 2.Qd1#
      • 1...b3!
    • 1.Kc8?
      • 1...Ka5
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qc2#
        • 2.Qd1#
      • 1...b3!
    • 1.Kd8?
      • 1...Ka5
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qc2#
        • 2.Qd1#
      • 1...b3!
    • 1.Sb1?
      • 1...Ka5
        • 2.Qa3#
      • 1...b3!
    • 1.Sc2?
      • 1...Ka5
        • 2.Qa3#
      • 1...b3!
    • 1.Sxb5?
      • 1...b3
        • 2.Qc4#
      • 1...Ka5!
    • 1.Bd2?
      • 1...Ka5
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qc2#
      • 1...b3!
    • 1.Qe3?
      • 1...Ka5
        • 2.Qa7#
      • 1...b3
        • 2.Qa7#
      • 1...bxa3!
    • 1.Qd5?
      • 1...Ka5
        • 2.Qa8#
        • 2.Qxb5#
      • 1...bxa3
        • 2.Qd1#
      • 1...b3
        • 2.Qa8#
      • 1...Kxa3!
  • Keys
    • 1.Qf3!
      • 1...Ka5
        • 2.Qa8#
      • 1...bxa3
        • 2.Qd1#
      • 1...b3
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Refutation
        • P(b);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • K(D);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • K(D);S_FLIGHT
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR2(C)
      • Refutation
        • P(b);
    • Try
      • S(B);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR2(C)
      • Refutation
        • P(b);
    • Try
      • S(B);XP(c)
      • Vars
        • P(b);OGATEB::QAR2(C)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
    • Try
      • B(A);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C),XP(c)
        • P(b);N_GUARD,SBLOCK,XS(B)::QAB(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR2(C)
        • P(b);SBLOCK::QAR(C)
      • Refutation
        • P(b);XS(B)
    • Try
      • Q(C);
      • Vars
        • P(b);N_GUARD,SBLOCK,XS(B)::QAB(C)
        • P(b);SBLOCK::QAR(C)
      • Refutation
        • K(a);P-FLIGHT,XS(B)
  • Actual
    • Q(C);
    • Vars
      • K(a);P-FLIGHT,P_SPINP(b)::QAR(C)
      • P(b);N_GUARD,SBLOCK,XS(B)::QAB(C)
      • P(b);SBLOCK::QAR(C)
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