MESON Chess Problem Database

Problem Display
PID: 22921 (8/8/3K4/8/5N2/6kB/4QNP1/8 w - - 0 1)

Orlov, Evgeny Serginovich

Karpati Igaz Szo, 1969

8/8/3K4/8/5N2/6kB/4QNP1/8

#2

6 + 1

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf4
      • 2.Qe5#
    • 1...Kh4
      • 2.Qg4#
  • Tries
    • 1.Kd5?
      • 1...Kxf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Ke5?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Ke6?
      • 1...Kxf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Sd1?
      • 1...Kxf4
        • 2.Qg4#
        • 2.Qe3#
        • 2.Qe5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Sh1+?
      • 1...Kxf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Qg4#
        • 2.Qh5#
        • 2.Qe7#
      • 1...Kh2!
    • 1.S2d3?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Se4+?
      • 1...Kxf4
        • 2.Qf3#
        • 2.g3#
      • 1...Kh4
        • 2.Sg6#
        • 2.Qg4#
        • 2.Qh5#
        • 2.Qe1#
        • 2.Qf2#
        • 2.g3#
      • 1...Kh2!
    • 1.Sg4?
      • threat
        • 2.Qf2#
      • 1...Kxf4
        • 2.Qe5#
      • 1...Kh4!
    • 1.S4d3?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Sd5?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Sh5+?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Se6?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Be6?
      • 1...Kxf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Bd7?
      • 1...Kxf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Bc8?
      • 1...Kxf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Qf3+?
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh2!
    • 1.Qe5?
      • 1...Kh2
        • 2.Se2#
      • 1...Kh4
        • 2.Sg6#
      • 1...Kxf2!
  • Keys
    • 1.Qe1!
      • 1...Kh2
        • 2.Sg4#
      • 1...Kxf4
        • 2.Qe5#
      • 1...Kh4
        • 2.Se4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
    • K(a);S_FLIGHT::QAR1(A)
  • Tries
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Vars
        • K(a);S_FLIGHT,XS(E)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB(A)+S(E)
        • K(a);S_FLIGHT::S(E)
      • Refutation
        • K(a);S_FLIGHT,XS(B)
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::S(B)
      • K(a);OGATEB,S_FLIGHT,XS(E)::QAB1(A)
      • K(a);S_FLIGHT::QAB(A)+S(B)
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