MESON Chess Problem Database

Problem Display
PID: 138272 (3R1N1K/7p/4pR2/2pbk1Bp/1P1r4/1qr1P3/2B2N2/Q7 w - - 0 1)

Mirri, Giorgio

1st Prize, L'Italia Scacchistica, 1989

3R1N1K/7p/4pR2/2pbk1Bp/1P1r4/1qr1P3/2B2N2/Q7

#2

10 + 9

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Sd3#
    • 1...h6
      • 2.Sg6#
  • Tries
    • 1.Rf7?
      • threat
        • 2.Bf6#
      • 1...Rxc2
        • 2.Bf4#
      • 1...Rxe3
        • 2.Bf4#
      • 1...Rcd3
        • 2.Bf4#
      • 1...Rdd3
        • 2.Bf4#
      • 1...Re4
        • 2.Sd3#
      • 1...Rf4
        • 2.Bxf4#
      • 1...Be4
        • 2.Bf4#
      • 1...Qxc2!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qc7#
      • 1...cxb4
        • 2.Rxe6#
      • 1...Bh1
        • 2.exd4#
      • 1...Bg2
        • 2.exd4#
      • 1...Bf3
        • 2.exd4#
      • 1...Bc4
        • 2.exd4#
      • 1...Be4
        • 2.exd4#
      • 1...Bc6
        • 2.exd4#
      • 1...Bb7
        • 2.exd4#
      • 1...Ba8
        • 2.exd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD,P_SPINR(b),SBLOCK::S(C)
    • P(i);N_GUARD::S(I)
  • Tries
    • Try
      • R(G);
      • Threat
        • B(F)
      • Vars
        • R(b);P_SPINR(c),XB(B)::B(F)
        • R(b);P_SPINR(c),XP(D)::B(F)
        • R(b);P_SPINR(c)::B(F)
        • R(c);N_GUARD,P_SPINR(b)::B(F)
        • R(c);N_GUARD,P_SPINR(b),SBLOCK::S(C)
        • R(c);N_GUARD,P_SPINR(b)::B(F),XR(c)
        • B(e);S_CUTR(c)::B(F)
      • Refutation
        • Q(a);XB(B)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • P(d);P_SPINB(e),XP(E)::R1(G),XP(h)
      • B(e);P_SPINP(d)::P(D),XR(c)
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