MESON Chess Problem Database

Problem Display
PID: 74928 (5bq1/1N6/5P2/6pQ/Ppk3B1/8/RB2bN2/K7 w - - 0 1)

Zadro, Boris

Problem Online, 2004

5bq1/1N6/5P2/6pQ/Ppk3B1/8/RB2bN2/K7

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.Bxe6#
    • 1...Qf7
      • 2.Qxf7#
    • 1...Qh7
      • 2.Be6#
    • 1...Qg6
      • 2.Be6#
    • 1...Qg7
      • 2.Be6#
    • 1...Qh8
      • 2.Be6#
      • 2.Qf7#
  • Tries
    • 1.Qg6?
      • threat
        • 2.Qxg8#
      • 1...Kb3
        • 2.Sa5#
      • 1...Kd5
        • 2.Qe4#
      • 1...Qxg6
        • 2.Be6#
      • 1...Bxg4
        • 2.Qd3#
      • 1...Qd5
        • 2.Qc2#
      • 1...Qe6
        • 2.Bxe6#
      • 1...Qf7
        • 2.Qxf7#
      • 1...Qh7
        • 2.Be6#
      • 1...Qg7
        • 2.Be6#
      • 1...Qh8
        • 2.Be6#
        • 2.Qf7#
      • 1...Bf3
        • 2.Qd3#
      • 1...b3
        • 2.Qe4#
      • 1...Bg7!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qxg8#
      • 1...Kb3
        • 2.Sa5#
      • 1...Kd5
        • 2.Qe4#
      • 1...Qxh7
        • 2.Be6#
      • 1...Bxg4
        • 2.Qd3#
      • 1...Qd5
        • 2.Qc2#
      • 1...Qe6
        • 2.Bxe6#
      • 1...Qf7
        • 2.Qxf7#
      • 1...Qg6
        • 2.Be6#
      • 1...Qg7
        • 2.Be6#
      • 1...Qh8
        • 2.Be6#
        • 2.Qf7#
      • 1...Bf3
        • 2.Qd3#
      • 1...b3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • Q(f);N_GUARD::B(F),XQ(f)
    • Q(f);N_GUARD::QAB(G),XQ(f)
    • Q(f);N_GUARD::B(F)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAB(G),XQ(f)
      • Vars
        • K(c);S_FLIGHT::S(I)
        • K(c);S_FLIGHT::QAB1(G)
        • Q(f);N_GUARD,XQ(G)::B(F)
        • B(a);N_GUARD,XB(F)::QAB1(G)
        • Q(f);SBLOCK::QAR2(G)
        • Q(f);N_GUARD::B(F),XQ(f)
        • Q(f);N_GUARD::QAB(G),XQ(f)
        • Q(f);N_GUARD::B(F)
        • B(a);N_GUARD::QAB1(G)
        • P(b);SBLOCK::QAR2(G)
      • Refutation
        • B(e);
  • Actual
    • Q(G);
    • Threat
      • QAB(G),XQ(f)
    • Vars
      • K(c);S_FLIGHT::S(I)
      • K(c);S_FLIGHT::QAB1(G)
      • Q(f);N_GUARD,XQ(G)::B(F)
      • B(a);N_GUARD,XB(F)::QAB1(G)
      • Q(f);SBLOCK::QAR2(G)
      • Q(f);N_GUARD::B(F),XQ(f)
      • Q(f);N_GUARD::QAB(G),XQ(f)
      • Q(f);N_GUARD::B(F)
      • B(a);N_GUARD::QAB1(G)
      • P(b);SBLOCK::QAR2(G)
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