MESON Chess Problem Database

Problem Display
PID: 138195 (1q6/3p2Rb/1p1B3p/5kbr/R3NN2/2p1Q2p/B7/2K5 w - - 0 1)

Franco, Francesco

L'Italia Scacchistica, 1979

1q6/3p2Rb/1p1B3p/5kbr/R3NN2/2p1Q2p/B7/2K5

#2

8 + 10

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf4
      • 2.Qxf4#
    • 1...Bh4
      • 2.Qxh3#
    • 1...Bf6
      • 2.Sg3#
  • Tries
    • 1.Sg3+?
      • 1...Kf6
        • 2.Sfxh5#
        • 2.Rf7#
        • 2.Qd4#
        • 2.Qxc3#
        • 2.Qe5#
        • 2.Qe7#
      • 1...Kg4!
    • 1.Rf7+?
      • 1...Kg4
        • 2.Qg3#
      • 1...Bf6!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sg3#
      • 1...Bxe3+
        • 2.Sxe3#
      • 1...Kg4
        • 2.Qf4#
      • 1...Ke6
        • 2.Se7#
      • 1...Qxd6
        • 2.Sxd6#
      • 1...Bf4
        • 2.Se7#
      • 1...Bh4
        • 2.Qxh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(d);OGATE,P_PINQ(C),XS(F)::QAR1(C),XB(d)
    • B(d);S_CUTR(e)::QAB(C),XP(b)
    • B(d);SBLOCK::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(c);P_SPINB(d),S_FLIGHT
    • Try
      • R(H);CHECK
      • Vars
        • K(c);S_FLIGHT::QAR1(C)
      • Refutation
        • B(d);P_SPINB(d)
  • Actual
    • S(F);P_SPINQ(C)
    • Threat
      • S(E)
    • Vars
      • B(d);CHECK,XQ(C)::S(F),XB(d)
      • K(c);P_SPINB(d),S_FLIGHT::QAR1(C)
      • K(c);S_FLIGHT::B(B)+S(F)
      • Q(j);XB(G)::S(E),XQ(j)
      • B(d);N_GUARD::S(F)
      • B(d);N_PINQ(C)::QAB(C),XP(b)
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