MESON Chess Problem Database

Problem Display
PID: 163685 (8/8/1K1P1pN1/2N4R/1pkp4/4nQ2/1PqP4/8 w - - 0 1)

Juricek, Stanislav

Sachova skladba, 2006

8/8/1K1P1pN1/2N4R/1pkp4/4nQ2/1PqP4/8

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Qa4
      • 2.d3#
    • 1...Qe4
      • 2.b3#
    • 1...Qf5
      • 2.b3#
    • 1...Qxg6
      • 2.b3#
    • 1...Qc1
      • 2.b3#
      • 2.d3#
    • 1...Sd1
      • 2.Qd5#
    • 1...Sf1
      • 2.Qd5#
    • 1...Sg2
      • 2.Qd5#
    • 1...Sg4
      • 2.Qd5#
    • 1...Sd5+
      • 2.Qxd5#
    • 1...d3
      • 2.Qe4#
      • 2.Qf4#
    • 1...f5
      • 2.Se5#
  • Tries
    • 1.Qe2+?
      • 1...Qd3
        • 2.Qxd3#
        • 2.b3#
      • 1...d3!
    • 1.Qc6?
      • threat
        • 2.Qb5#
      • 1...Sd5+
        • 2.Qxd5#
      • 1...d3
        • 2.Qe4#
      • 1...Qa4
        • 2.d3#
      • 1...Qf5
        • 2.b3#
      • 1...f5
        • 2.Se5#
      • 1...Sf5!
    • 1.Qb7?
      • threat
        • 2.Qa6#
      • 1...Sd5+
        • 2.Qxd5#
      • 1...d3
        • 2.Qe4#
      • 1...Qa4
        • 2.d3#
      • 1...Qf5
        • 2.b3#
      • 1...Sf5
        • 2.Qf7#
      • 1...f5
        • 2.Se5#
      • 1...b3!
    • 1.Qf1+?
      • 1...Qd3
        • 2.Qxd3#
        • 2.b3#
      • 1...d3
        • 2.Qf4#
      • 1...Sxf1!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Qa6#
      • 1...Sd5+
        • 2.Qxd5#
      • 1...b3
        • 2.Qa4#
      • 1...d3
        • 2.Qe4#
      • 1...Qa4
        • 2.d3#
      • 1...Qf5
        • 2.b3#
      • 1...Sf5
        • 2.Qg8#
      • 1...f5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(a);N_GUARD::P(B)
    • Q(a);N_GUARD::P(A)
    • Q(a);N_GUARD,XS(H)::P(A)
    • S(b);N_GUARD::QAB1(C)
    • S(b);CHECK,N_GUARD::QAB1(C),XS(b)
    • P(f);N_GUARD::S(H)
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • P(e);P_SPINP(e)
    • Try
      • Q(C);
      • Threat
        • QAB1(C)
      • Vars
        • S(b);CHECK,N_GUARD::QAB1(C),XS(b)
        • P(e);OGATEB::QAR2(C)
        • Q(a);N_GUARD::P(B)
        • Q(a);N_GUARD::P(A)
        • P(f);N_GUARD::S(H)
      • Refutation
        • S(b);
    • Try
      • Q(C);
      • Threat
        • QAB(C)
      • Vars
        • S(b);CHECK,N_GUARD::QAB1(C),XS(b)
        • P(e);OGATEB::QAR2(C)
        • Q(a);N_GUARD::P(B)
        • Q(a);N_GUARD::P(A)
        • S(b);N_GUARD::QAB(C)
        • P(f);N_GUARD::S(H)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK
      • Vars
        • P(e);OGATEB,P_SPINP(e)::QAR(C)
      • Refutation
        • S(b);XQ(C)
  • Actual
    • Q(C);
    • Threat
      • QAB(C)
    • Vars
      • S(b);CHECK,N_GUARD::QAB1(C),XS(b)
      • P(c);OGATEB::QAR2(C)
      • P(e);OGATEB::QAR2(C)
      • Q(a);N_GUARD::P(B)
      • Q(a);N_GUARD::P(A)
      • S(b);N_GUARD::QAB(C)
      • P(f);N_GUARD::S(H)
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