MESON Chess Problem Database

Problem Display
PID: 6896 (Qb4R1/8/5p2/5P1P/3B1p2/1P3qpp/R3NPkP/3BKN1b w - - 0 1)

Cacciari, Europe

1st Prize, Schackvarlden, 1934

Qb4R1/8/5p2/5P1P/3B1p2/1P3qpp/R3NPkP/3BKN1b

#2

13 + 8

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Tries
    • 1.fxg3?
      • threat
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sxf4#
        • 2.gxf4#
      • 1...Qxa8
        • 2.Sxf4#
      • 1...fxg3
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sexg3#
        • 2.Sf4#
      • 1...Qd5
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sxf4#
      • 1...Qc6
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sxf4#
      • 1...Qb7
        • 2.Sc1#
        • 2.Sg1#
        • 2.Sc3#
        • 2.Sxf4#
      • 1...Qe4!
  • Keys
    • 1.Sexg3!
      • threat
        • 2.Se2#
      • 1...Qe4+
        • 2.Sxe4#
      • 1...Kg1
        • 2.Se2#
      • 1...Qxa8
        • 2.Se4#
      • 1...fxg3
        • 2.fxg3#
      • 1...Qd5
        • 2.f3#
      • 1...Qc6
        • 2.Se4#
      • 1...Qb7
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(F);XP(d)
      • Threat
        • DUALS(5)
      • Vars
        • Q(c);N_SPINQ(c),XQ(L)::R(D)+S(E),DCHECK,XP(f)
      • Refutation
        • Q(c);P_PINS(E)
  • Actual
    • S(E);XP(d)
    • Threat
      • R(M)+S(E)
    • Vars
      • Q(c);CHECK,N_GUARD::R(M)+S(E),XQ(c)
      • K(b);N_SPINQ(c),P-FLIGHT::R(M)+S(E),DCHECK
      • Q(c);N_GUARD,N_SPINQ(c),XQ(L)::R(M)+S(E)
      • P(f);OGATE,P_SPINP(f),XS(E)::R(D)+P(F),XP(f)
      • Q(c);OGATE::R(D)+P(F)
      • Q(c);N_GUARD::R(M)+S(E)
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