MESON Chess Problem Database

Problem Display
PID: 58177 (5Q2/5P2/2p1P2N/5p1b/2KPkn1r/5pPq/5Ppn/6N1 w - - 0 1)

Mirri, Giorgio

Torre & Cavallo - Scacco!, 2001

5Q2/5P2/2p1P2N/5p1b/2KPkn1r/5pPq/5Ppn/6N1

#2

9 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Qa3?
      • threat
        • 2.Qe3#
      • 1...Sg4
        • 2.Qxf3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sd5
        • 2.Qd3#
      • 1...Sf1!
    • 1.Qc5?
      • threat
        • 2.Qe5#
      • 1...Sg4
        • 2.Qxf5#
      • 1...Sd3
        • 2.Qxc6#
      • 1...Sg6
        • 2.Qxc6#
      • 1...Sd5!
    • 1.Qb8?
      • threat
        • 2.Qe5#
      • 1...Sg4
        • 2.Qxf4#
      • 1...Sg6
        • 2.Qb1#
      • 1...Sd3!
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qe5#
      • 1...Sg4
        • 2.Qxf4#
      • 1...Sd3
        • 2.Qxc6#
      • 1...Sg6
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(I);
      • Threat
        • QAR1(I)
      • Vars
        • S(b);N_GUARD,S_CUTB(i)::QAB1(I),XP(c)
        • S(f);N_GUARD::QAB1(I),XS(f)
        • S(f);N_GUARD::QAB1(I)
      • Refutation
        • S(b);
    • Try
      • Q(I);
      • Threat
        • QAR1(I)
      • Vars
        • S(b);S_CUTQ(d)::QAB1(I),XP(h)
        • S(f);N_GUARD::QAB(I),XP(j)
      • Refutation
        • S(f);
    • Try
      • Q(I);
      • Threat
        • QAR1(I)
      • Vars
        • S(b);S_CUTR(g)::QAR1(I),XS(f)
        • S(f);N_GUARD::QAB(I)
      • Refutation
        • S(f);
  • Actual
    • Q(I);
    • Threat
      • QAR1(I)
    • Vars
      • S(b);S_CUTR(g)::QAR1(I),XS(f)
      • S(f);N_GUARD::QAB(I),XP(j)
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