MESON Chess Problem Database

Problem Display
PID: 15585 (3qk3/3N3Q/4N3/5P2/8/8/8/5K2 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

5th Prize, Bron MT, 1986

3qk3/3N3Q/4N3/5P2/8/8/8/5K2

#2

5 + 2

3296 Shakhmatny zadachi miniaturi 1987

SOLUTION

  • SOUND
  • Sets
    • 1...Qa5
      • 2.Sf6#
    • 1...Qb6
      • 2.Sf6#
    • 1...Qf6
      • 2.Sxf6#
    • 1...Qc7
      • 2.Sf6#
    • 1...Qa8
      • 2.Sf6#
    • 1...Qb8
      • 2.Sf6#
    • 1...Qc8
      • 2.Sf6#
  • Keys
    • 1.f6!
      • 1...Qxf6+
        • 2.Sxf6#
      • 1...Qxd7
        • 2.Qg8#
      • 1...Qe7
        • 2.Qxe7#
      • 1...Qa5
        • 2.Qe7#
      • 1...Qb6
        • 2.Qe7#
      • 1...Qc7
        • 2.Qe7#
      • 1...Qa8
        • 2.Qe7#
      • 1...Qb8
        • 2.Qe7#
      • 1...Qc8
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 6
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(a);N_GUARD::S(D)
    • Q(a);N_GUARD,P_PINP(B)::S(D),XQ(a)
  • Actual
    • P(B);
    • Vars
      • Q(a);CHECK,XP(B)::S(D),XQ(a)
      • Q(a);SBLOCK,XS(D)::QAR2(E)
      • Q(a);N_GUARD::QAR1(E),XQ(a)
      • Q(a);N_GUARD::QAR1(E)
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