MESON Chess Problem Database

Problem Display
PID: 80433 (3B4/4pN2/2Q5/5k2/8/3K4/6N1/8 w - - 0 1)

Amirov, Talip Khasanovich

Vecherni Novosti, 1961

3B4/4pN2/2Q5/5k2/8/3K4/6N1/8

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...e5
      • 2.Sh6#
    • 1...e6
      • 2.Qe4#
  • Tries
    • 1.Ke2?
      • 1...Kg4
        • 2.Qf3#
      • 1...e5
        • 2.Sh6#
      • 1...e6!
    • 1.Sh4+?
      • 1...Kf4
        • 2.Qf3#
      • 1...Kg4!
    • 1.Se5?
      • 1...Kg5
        • 2.Qg6#
      • 1...e6
        • 2.Qe4#
      • 1...Kxe5!
    • 1.Sh6+?
      • 1...Ke5
        • 2.Bc7#
      • 1...Kg5!
  • Keys
    • 1.Ke3!
      • 1...Kg4
        • 2.Qf3#
      • 1...e6
        • 2.Qe4#
      • 1...e5
        • 2.Sh6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(b);SBLOCK::S(D)
    • P(b);::QAB1(C)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAB1(C)
        • P(b);SBLOCK::S(D)
      • Refutation
        • P(b);
    • Try
      • S(A);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);P-FLIGHT,P_SPINP(b)::QAR1(C)
        • P(b);SBLOCK::QAB1(C)
      • Refutation
        • K(a);P-FLIGHT,XS(D)
    • Try
      • S(D);CHECK
      • Vars
        • K(a);P-FLIGHT::B(E)
      • Refutation
        • K(a);P-FLIGHT,P_SPINP(b)
  • Actual
    • K(B);P-FLIGHT
    • Vars
      • K(a);S_FLIGHT::QAB1(C)
      • P(b);::QAB1(C)
      • P(b);SBLOCK::S(D)
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