MESON Chess Problem Database

Problem Display
PID: 138011 (6BB/5p2/4rn2/3NP1pQ/1PN1k1p1/1P2P1P1/4K3/8 w - - 0 1)

Agostini, Valerio

1st Prize, L'Italia Scacchistica, 1980

6BB/5p2/4rn2/3NP1pQ/1PN1k1p1/1P2P1P1/4K3/8

#2

11 + 6

14744 Nuova Antologia dei Problemisti Italiani 1992
15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sxf6+?
      • 1...Kf5
        • 2.Bh7#
        • 2.Qh7#
        • 2.e4#
      • 1...Rxf6!
    • 1.Se7?
      • threat
        • 2.Qh1#
      • 1...Sxh5
        • 2.Sd2#
      • 1...Rxe7!
    • 1.Qxg5?
      • threat
        • 2.Sc3#
      • 1...Sxd5
        • 2.Sd2#
      • 1...Kxd5!
  • Keys
    • 1.Qxf7!
      • 1...Kxd5
        • 2.Qb7#
      • 1...Kf5
        • 2.Bh7#
      • 1...Rxe5
        • 2.Sd6#
      • 1...Sxd5
        • 2.Sd2#
      • 1...Sxg8
        • 2.Sc3#
      • 1...Ra6
        • 2.Qg6#
      • 1...Rb6
        • 2.Qg6#
      • 1...Rc6
        • 2.Qg6#
      • 1...Rd6
        • 2.Qg6#
      • 1...Re7
        • 2.Qg6#
      • 1...Re8
        • 2.Qg6#
      • 1...Sh5
        • 2.Sc3#
      • 1...Sd7
        • 2.Sc3#
      • 1...Sh7
        • 2.Sc3#
      • 1...Se8
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK,XS(e)
      • Refutation
        • R(d);XS(G)
    • Try
      • S(G);
      • Threat
        • QAB(I)
      • Vars
        • S(e);XQ(I)::S(F)
      • Refutation
        • R(d);XS(G)
    • Try
      • Q(I);XP(c)
      • Threat
        • S(G)
      • Vars
        • S(e);SBLOCK,XS(G)::S(F)
      • Refutation
        • K(a);S_FLIGHT,XS(G)
  • Actual
    • Q(I);XP(f)
    • Vars
      • K(a);OGATEB,P_SPINR(d),S_FLIGHT,XS(G)::QAB(I)
      • K(a);P_SPINS(e),S_FLIGHT::B(J)
      • R(d);N_GUARD,SBLOCK,XP(H)::S(F)
      • S(e);SBLOCK,XS(G)::S(F)
      • S(e);XB(J)::S(G)
      • R(d);::QAB(I)
      • S(e);::S(G)
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