MESON Chess Problem Database

Problem Display
PID: 36882 (5R2/B4B2/8/8/3R4/3pNp1p/K2PNkpP/Q7 w - - 0 1)

Piatesi, Antonio

2nd Prize, Olympic Ty., 1972

5R2/B4B2/8/8/3R4/3pNp1p/K2PNkpP/Q7

#2

10 + 5

3753 FIDE Album (1971-1973) 1978
4901 Best Problems 2006

SOLUTION

  • SOUND
  • Sets
    • 1...g1S
      • 2.Qf1#
    • 1...g1B
      • 2.Qf1#
    • 1...dxe2
      • 2.Sg4#
    • 1...fxe2
      • 2.Bb3#
      • 2.Bc4#
      • 2.Bd5#
      • 2.Bh5#
      • 2.Be6#
      • 2.Bg6#
      • 2.Be8#
      • 2.Bg8#
      • 2.Rf4#
  • Keys
    • 1.Sxg2!
      • 1...Kxe2
        • 2.Qe1#
      • 1...Kxg2
        • 2.Qg1#
      • 1...dxe2
        • 2.Rg4#
      • 1...fxe2
        • 2.Bd5#
      • 1...fxg2
        • 2.Bh5#
      • 1...hxg2
        • 2.Re4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • P(b);N_GUARD::QAR1(A)
    • P(c);SBLOCK,XS(D)::S(F)
  • Actual
    • S(F);XP(b)
    • Vars
      • K(a);P-FLIGHT,XS(D)::QAR1(A)
      • K(a);P-FLIGHT,XS(F)::QAR1(A)
      • P(c);SBLOCK,XS(D)::B(H)+R(G)
      • P(d);OGATEB,SBLOCK,XS(D)::R(J)+B(I)
      • P(d);OGATEB,SBLOCK,XS(F)::R(J)+B(I)
      • P(e);SBLOCK,XS(F)::B(H)+R(G)
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