MESON Chess Problem Database

Problem Display
PID: 67683 (4bQ2/2B4K/2p3pN/1P2n2p/q3k2r/1BPp3r/5P2/4N3 w - - 0 1)

Stocchi, Ottavio

1st Prize, Union des Problemistes de France TT, 1956

4bQ2/2B4K/2p3pN/1P2n2p/q3k2r/1BPp3r/5P2/4N3

#2

9 + 10

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Qf4#
    • 1...g5
      • 2.Qf5#
  • Keys
    • 1.Qd6!
      • threat
        • 2.Qxe5#
      • 1...Kf4
        • 2.Qxe5#
      • 1...Qxb5
        • 2.Qd4#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Sf3
        • 2.Qxd3#
      • 1...Sc4
        • 2.Qd4#
      • 1...Sg4
        • 2.Qf4#
      • 1...Sd7
        • 2.Qxc6#
      • 1...Sf7
        • 2.Qxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • S(f);S_CUTR(e)::QAR1(I)
    • P(i);N_GUARD::QAB1(I)
  • Actual
    • Q(I);
    • Threat
      • QAR1(I),XS(f)
    • Vars
      • K(d);P-FLIGHT,P_SPINS(f)::QAB1(I),XS(f)
      • Q(c);N_GUARD,XP(E)::QAR1(I)
      • Q(c);N_GUARD::QAR1(I),XQ(c)
      • S(f);N_GUARD,S_CUTR(b)::QAB1(I),XP(a)
      • S(f);S_CUTQ(c)::QAR1(I)
      • S(f);OGATE::QAR1(I)
      • S(f);N_GUARD,S_CUTB(j)::QAB(I),XP(h)
      • S(f);N_GUARD,S_CUTB(j)::QAB(I),XP(i)
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