MESON Chess Problem Database

Problem Display
PID: 95690 (Q7/p1b5/1p2p2B/r4p2/8/5NP1/5K2/5N1k w - - 0 1)

Prestigiacomo, Giovanni

Comm., L'Italia Scacchistica, 1975

Q7/p1b5/1p2p2B/r4p2/8/5NP1/5K2/5N1k

#2

6 + 7

14744 Nuova Antologia dei Problemisti Italiani 1992
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Se1#
      • 2.Sg1#
      • 2.S3d2#
      • 2.S3h2#
      • 2.Sd4#
      • 2.Sh4#
      • 2.Se5#
      • 2.Sg5#
    • 1...Ra2+
      • 2.S3d2#
    • 1...Ra4
      • 2.Sd4#
    • 1...Re5
      • 2.Sxe5#
    • 1...Ra6
      • 2.Se1#
      • 2.Sg1#
      • 2.S3d2#
      • 2.S3h2#
      • 2.Sd4#
      • 2.Sh4#
      • 2.Se5#
      • 2.Sg5#
    • 1...Bxg3+
      • 2.Sxg3#
    • 1...b5
      • 2.Se1#
      • 2.Sg1#
      • 2.S3d2#
      • 2.S3h2#
      • 2.Sd4#
      • 2.Sh4#
      • 2.Se5#
      • 2.Sg5#
  • Keys
    • 1.Qh8!
      • threat
        • 2.Bc1#
        • 2.Bd2#
        • 2.Be3#
        • 2.Bf4#
        • 2.Bg5#
        • 2.Bg7#
        • 2.Bf8#
      • 1...Ra2+
        • 2.Bd2#
      • 1...Bxg3+
        • 2.Sxg3#
      • 1...Ra4
        • 2.Bf4#
      • 1...Bf4
        • 2.Bxf4#
        • 2.Bg5#
      • 1...Be5
        • 2.Bg7#
      • 1...Bd8
        • 2.Bg5#
      • 1...f4
        • 2.Bg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(b);CHECK,N_GUARD,SBLOCK::QAB(F)+S(C)
    • R(b);N_GUARD::QAB(F)+S(C)
    • R(b);N_GUARD::QAB(F)+S(C),XR(b)
    • B(g);CHECK,XP(D)::S(A),XB(g)
  • Actual
    • Q(F);
    • Threat
      • DUALS(7)
    • Vars
      • R(b);CHECK,SBLOCK::QAR(F)+B(E)
      • B(g);CHECK,XP(D)::S(A),XB(g)
      • R(b);::QAR(F)+B(E)
      • B(g);::QAR(F)+B(E)
      • P(c);::QAR(F)+B(E)
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