MESON Chess Problem Database

Problem Display
PID: 12310 (4rB2/4p2r/NRn3R1/3k1BQ1/1PqpN3/1pPnP3/6bb/1K6 w - - 0 1)

Piatesi, Antonio

2nd Prize, Schweizerische Schachzeitung, 1977

4rB2/4p2r/NRn3R1/3k1BQ1/1PqpN3/1pPnP3/6bb/1K6

#2

11 + 11

3750 FIDE Album (1977-1979) 1984
14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Sde5
      • 2.Sc7#
    • 1...e5
      • 2.Sf6#
      • 2.Rd6#
  • Keys
    • 1.Sd2!
      • threat
        • 2.Be4#
      • 1...Ke5
        • 2.Bxd3#
        • 2.Bh3#
        • 2.Be4#
        • 2.Bg4#
        • 2.Bd7#
        • 2.Bc8#
      • 1...Be4
        • 2.Bxe4#
      • 1...Be5
        • 2.Qxg2#
      • 1...Sde5
        • 2.Sc7#
      • 1...Sce5
        • 2.Be6#
      • 1...e5
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(d);SBLOCK,S_CUTB(b)::S(H)
  • Actual
    • S(E);
    • Threat
      • QAR(G)+B(F),DCHECK
    • Vars
      • B(a);::QAR(G)+B(F),DCHECK,XB(a)
      • B(b);SBLOCK::QAB(G),XB(a)
      • S(d);SBLOCK,S_CUTB(b)::S(H)
      • S(h);::B(F)
      • P(i);N_GUARD,SBLOCK,S_CUTB(b)::R1(J)
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