MESON Chess Problem Database

Problem Display
PID: 65206 (1b4b1/2pQK3/6p1/3PkB2/8/2p3n1/3Rn2B/3rNR2 w - - 0 1)

Bottacchi, Antonio

4th Prize, L'Italia Scacchistica, 1949

1b4b1/2pQK3/6p1/3PkB2/8/2p3n1/3Rn2B/3rNR2

#2

8 + 9

35 L'Italia Scacchistica 1985
23 Die Schwalbe 2005

SOLUTION

  • SOUND
  • Sets
    • 1...Ba7
      • 2.Qxc7#
    • 1...Bxd5
      • 2.Qxd5#
    • 1...Be6
      • 2.Qxe6#
    • 1...Bh7
      • 2.Qe6#
    • 1...Sc1
      • 2.Bxg3#
    • 1...Sg1
      • 2.Bxg3#
    • 1...Sd4
      • 2.Sd3#
      • 2.Bxg3#
    • 1...Sf4
      • 2.Sf3#
    • 1...gxf5
      • 2.Qxf5#
  • Tries
    • 1.Bxg3+?
      • 1...Sf4
        • 2.Sf3#
        • 2.Bxf4#
      • 1...Sxg3!
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qe4#
      • 1...Bxd5
        • 2.Sd3#
      • 1...gxf5
        • 2.Sf3#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sf4
        • 2.Qxf4#

This is a version of 17005

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • B(h);N_GUARD::QAB(G),XP(g)
    • B(i);OGATE,XP(E)::QAR1(G),XB(i)
    • B(i);N_GUARD::QAR1(G),XB(i)
    • B(i);N_GUARD::QAR1(G)
    • S(b);N_GUARD::B(D),XS(d)
    • S(b);N_SPINS(d),SBLOCK::S(A)
    • P(f);OGATE,XB(F)::QAR1(G),XP(f)
  • Tries
    • Try
      • B(D);CHECK,XS(d)
      • Refutation
        • S(b);XB(D)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • B(i);SBLOCK,XP(E)::S(A)
      • P(f);SBLOCK,XB(F)::S(A)
      • S(b);N_GUARD::QAB1(G),XS(b)
      • S(b);N_GUARD,N_SPINS(d)::QAB1(G),XS(b)
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Developed and maintained by Brian Stephenson.
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