MESON Chess Problem Database

Problem Display
PID: 15717 (8/n1p5/k7/8/K2B3Q/5B2/8/8 w - - 0 1)

Komarevtsev, Konstantin

Leninskaya Smena, 1987

8/n1p5/k7/8/K2B3Q/5B2/8/8

#2

4 + 3

2838 Fun with Chess Miniatures 1996

SOLUTION

  • SOUND
  • Tries
    • 1.Qf6+?
      • 1...Sc6
        • 2.Qxc6#
      • 1...c6!
    • 1.Qe4?
      • threat
        • 2.Qb7#
      • 1...Sc6
        • 2.Qxc6#
      • 1...c6!
    • 1.Qh6+?
      • 1...Sc6
        • 2.Qxc6#
      • 1...c6!
  • Keys
    • 1.Qd8!
      • 1...Sc6
        • 2.Qc8#
      • 1...c6
        • 2.Qb6#
      • 1...Sb5
        • 2.Qc8#
      • 1...Sc8
        • 2.Qxc8#
      • 1...c5
        • 2.Qa5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR2(D),XS(b)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • Q(D);
      • Threat
        • QAB1(D)
      • Vars
        • S(b);N_GUARD::QAR2(D),XS(b)
      • Refutation
        • P(c);
    • Try
      • Q(D);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR2(D),XS(b)
      • Refutation
        • P(c);P_SPINP(c)
  • Actual
    • Q(D);
    • Vars
      • S(b);N_GUARD::QAB(D)
      • P(c);OGATE::QAR1(D)
      • S(b);N_GUARD::QAB(D),XS(b)
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