MESON Chess Problem Database

Problem Display
PID: 174807 (8/3b4/1R3K2/rn1kn3/NP3Rp1/5r2/3PP1B1/7Q w - - 0 1)

Barth, Michael

3rd HM., Schach, 2006

8/3b4/1R3K2/rn1kn3/NP3Rp1/5r2/3PP1B1/7Q

#2

9 + 7

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sd6
      • 2.Sc3#
    • 1...Sa7
      • 2.Sc3#
    • 1...Sc7
      • 2.Sc3#
  • Tries
    • 1.Qa1?
      • threat
        • 2.Qxe5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd3
        • 2.Qa2#
      • 1...Sc4
        • 2.e4#
      • 1...Sg6
        • 2.Qa2#
      • 1...Sf7
        • 2.Qa2#
      • 1...Sc6!
    • 1.Qg1?
      • threat
        • 2.Qc5#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sa3
        • 2.Sc3#
        • 2.Qd4#
      • 1...Sc3
        • 2.Sxc3#
        • 2.Qd4#
      • 1...Sd6
        • 2.Sc3#
        • 2.Qd4#
      • 1...Sa7
        • 2.Sc3#
        • 2.Qd4#
      • 1...Sc7
        • 2.Sc3#
        • 2.Qd4#
      • 1...Sd3!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qc5#
      • 1...Sa3
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sd4
        • 2.e4#
      • 1...Sd6
        • 2.Sc3#
      • 1...Sa7
        • 2.Sc3#
      • 1...Sc7
        • 2.Sc3#
      • 1...Sd3
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(d);N_GUARD::S(E)
    • S(d);N_GUARD::S(E),XS(d)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR1(A),XS(f)
      • Vars
        • S(d);N_GUARD::QAR1(A),XS(d)
        • S(d);N_GUARD::S(E),XS(d)
        • S(f);N_GUARD::QAB(A)
        • S(f);SBLOCK::P(C)
      • Refutation
        • S(f);
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • S(d);N_GUARD::QAR1(A),XS(d)
      • Refutation
        • S(f);
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • S(d);N_GUARD::S(E)
      • S(d);N_GUARD::S(E),XS(d)
      • S(d);SBLOCK::P(C)
      • S(f);N_GUARD::QAB1(A)
      • S(f);N_GUARD::QAB1(A),XS(f)
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