MESON Chess Problem Database

Problem Display
PID: 138234 (8/5p2/1N3Qp1/2p1pP2/1P1pk3/1n4Kn/3PPB2/1bRN1R2 w - - 0 1)

Mariani, Stefano

1st Prize, L'Italia Scacchistica, 1987

8/5p2/1N3Qp1/2p1pP2/1P1pk3/1n4Kn/3PPB2/1bRN1R2

#2

11 + 9

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.d3#
    • 1...Sxf2
      • 2.Sxf2#
    • 1...d3
      • 2.Sc3#
    • 1...gxf5
      • 2.Qc6#
  • Tries
    • 1.Bg1?
      • threat
        • 2.Qc6#
      • 1...Sf2
        • 2.Sxf2#
      • 1...Sf4
        • 2.Sf2#
      • 1...Sa5!
  • Keys
    • 1.Bxd4!
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Rc4#
      • 1...Sxd4
        • 2.Sc3#
      • 1...cxd4
        • 2.Qc6#
      • 1...exd4
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::P(D)
    • S(c);XB(F)::S(B),XS(c)
    • P(d);N_GUARD::S(B)
    • P(h);SBLOCK,XP(I)::QAB(K)
  • Tries
    • Try
      • B(F);
      • Threat
        • QAB(K)
      • Vars
        • S(c);N_GUARD::S(B),XS(c)
        • S(c);N_GUARD::S(B)
      • Refutation
        • S(b);
  • Actual
    • B(F);XP(d)
    • Threat
      • QAR1(K),XP(g)
    • Vars
      • K(e);OGATEB,P-FLIGHT,P_SPINP(g),XB(F)::R1(A)
      • S(b);SBLOCK,XB(F)::S(B)
      • P(f);SBLOCK,XB(F)::QAB(K)
      • P(g);OGATEB,SBLOCK,XB(F)::QAR(K)
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