MESON Chess Problem Database

Problem Display
PID: 11838 (4B3/4N1k1/5N2/5K2/4Q3/8/8/8 w - - 0 1)

Podushkin, S

Problem (Zagreb), 1972

4B3/4N1k1/5N2/5K2/4Q3/8/8/8

#2

5 + 1

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Tries
    • 1.Kf4?
      • 1...Kxf6
        • 2.Qe5#
      • 1...Kh6
        • 2.Sf5#
        • 2.Qg6#
        • 2.Qh7#
      • 1...Kh8
        • 2.Qh7#
      • 1...Kf8!
    • 1.Ke5?
      • 1...Kh6
        • 2.Qg6#
      • 1...Kh8
        • 2.Qh7#
      • 1...Kf8!
    • 1.Kg5?
      • 1...Kh8
        • 2.Qh7#
      • 1...Kf8!
    • 1.Ke6?
      • 1...Kh6
        • 2.Qg6#
      • 1...Kh8
        • 2.Qh7#
      • 1...Kf8!
    • 1.Seg8?
      • 1...Kf8
        • 2.Qe7#
      • 1...Kh8!
    • 1.Qg2+?
      • 1...Kh6
        • 2.Seg8#
        • 2.Qg5#
        • 2.Qg6#
      • 1...Kh8
        • 2.Qg8#
      • 1...Kf8!
    • 1.Qd5?
      • 1...Kf8
        • 2.Qf7#
      • 1...Kh8
        • 2.Qg8#
      • 1...Kh6!
    • 1.Qe3?
      • 1...Kh8
        • 2.Qh6#
      • 1...Kf8!
    • 1.Qc4?
      • 1...Kf8
        • 2.Qf7#
      • 1...Kh8
        • 2.Qg8#
      • 1...Kh6!
    • 1.Qf4?
      • 1...Kh8
        • 2.Qh6#
      • 1...Kf8!
    • 1.Qg4+?
      • 1...Kh6
        • 2.Seg8#
        • 2.Qg5#
        • 2.Qg6#
      • 1...Kh8
        • 2.Qg8#
      • 1...Kf8!
    • 1.Qe6?
      • 1...Kf8
        • 2.Qf7#
      • 1...Kh8
        • 2.Qg8#
      • 1...Kh6!
  • Keys
    • 1.Qb7!
      • 1...Kh6
        • 2.Seg8#
      • 1...Kf8
        • 2.Sg6#
      • 1...Kh8
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);OGATEB,S_FLIGHT,XS(C)::QAB1(A)
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);OGATE,S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • 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);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::S(D)
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