MESON Chess Problem Database

Problem Display
PID: 55978 (8/1p3N1B/1K1P1N2/B7/1Pkp2Q1/R2p2n1/3rrp1b/n6b w - - 0 1)

Guidelli, Giorgio

1st Prize, L'Italia Scacchistica, 1914

8/1p3N1B/1K1P1N2/B7/1Pkp2Q1/R2p2n1/3rrp1b/n6b

#2

9 + 11

102 Probleemblad 2004
133 The Problemist Supplement 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Ra2
      • 2.Bxd3#
    • 1...Rb2
      • 2.Bxd3#
    • 1...Rc2
      • 2.Bxd3#
    • 1...Re4
      • 2.Qc8#
    • 1...Re5
      • 2.Sxe5#
    • 1...Be4
      • 2.Se5#
    • 1...Se4
      • 2.Qe6#
  • Tries
    • 1.Qe6+?
      • 1...Bd5
        • 2.Qxd5#
      • 1...Rxe6!
  • Keys
    • 1.b5!
      • threat
        • 2.Rc3#
      • 1...Rc2
        • 2.Bxd3#
      • 1...Re4
        • 2.Qc8#
      • 1...Be4
        • 2.Se5#
      • 1...Sb3
        • 2.Ra4#
      • 1...Se4
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(c);N_GUARD::B(I),XP(g)
    • R(c);N_GUARD,P_PINP(B)::B(I),XP(g)
    • R(d);N_SPINP(j),S_CUTB(b)::QAR(C)
    • R(d);N_GUARD::S(H),XR(d)
    • B(b);N_SPINP(j),S_CUTR(d)::S(H)
    • S(h);N_SPINP(j),S_CUTB(b),S_CUTR(d)::QAB(C)
  • Tries
    • Try
      • Q(C);CHECK,N_PINP(j)
      • Vars
        • B(b);N_GUARD,P_SPINB(b)::QAB1(C),XB(b)
      • Refutation
        • R(d);P_PINP(F),XQ(C)
  • Actual
    • P(B);
    • Threat
      • R1(A)
    • Vars
      • R(c);N_GUARD::B(I),XP(g)
      • R(d);N_SPINP(j),S_CUTB(b)::QAR(C)
      • B(b);N_SPINP(j),S_CUTR(d)::S(H)
      • S(a);SBLOCK::R(A)
      • S(h);N_SPINP(j),S_CUTB(b),S_CUTR(d)::QAB(C)
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