MESON Chess Problem Database

Problem Display
PID: 95713 (4n1K1/8/2r1Nb1R/4nk1P/r1BPp2B/7N/6Q1/8 w - - 0 1)

Simoni, Francesco

L'Italia Scacchistica, 1981

4n1K1/8/2r1Nb1R/4nk1P/r1BPp2B/7N/6Q1/8

#2

9 + 7

14744 Nuova Antologia dei Problemisti Italiani 1992
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg5
      • 2.Qxg5#
    • 1...Bg7
      • 2.Qg5#
    • 1...Bh8
      • 2.Qg5#
    • 1...Sd3
      • 2.Qg6#
    • 1...Sf3
      • 2.Qg6#
    • 1...Sg6
      • 2.Qxg6#
    • 1...Sd7
      • 2.Qg6#
    • 1...Sf7
      • 2.Qg6#
    • 1...Sd6
      • 2.Rxf6#
    • 1...Sc7
      • 2.Rxf6#
    • 1...Sg7
      • 2.Rxf6#
  • Tries
    • 1.Shg5?
      • threat
        • 2.Qxe4#
      • 1...Bxg5
        • 2.Qxg5#
      • 1...Sf3
        • 2.Qh3#
      • 1...e3
        • 2.Qe4#
      • 1...Sd6!
    • 1.Sc5?
      • threat
        • 2.Qxe4#
      • 1...Sf3
        • 2.Qg6#
      • 1...Sd6
        • 2.Be6#
        • 2.Rxf6#
      • 1...e3
        • 2.Qe4#
      • 1...Rxc5!
    • 1.Seg5?
      • threat
        • 2.Qxe4#
      • 1...Bxg5
        • 2.Qxg5#
      • 1...Sd6
        • 2.Be6#
      • 1...e3
        • 2.Qe4#
      • 1...Sf3!
    • 1.Sg7+?
      • 1...Bxg7
        • 2.Qg5#
      • 1...Sxg7!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Qxe4#
      • 1...Rxd4
        • 2.Sxd4#
      • 1...Sf3
        • 2.Qg6#
      • 1...Sd6
        • 2.Rxf6#
      • 1...e3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 9
  • Sets
    • B(f);N_GUARD::QAR1(A),XB(f)
    • B(f);N_GUARD::QAR1(A)
    • S(c);N_GUARD::QAB1(A)
    • S(c);N_GUARD::QAB1(A),XS(c)
    • S(g);N_GUARD::R1(H),XB(f)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(A),XP(b)
      • Vars
        • B(f);OGATE,XS(B)::QAR1(A),XB(f)
        • S(c);N_GUARD::QAB(A)
        • P(b);::QAB1(A)
      • Refutation
        • S(g);
    • Try
      • S(G);
      • Threat
        • QAB1(A),XP(b)
      • Vars
        • S(c);N_GUARD::QAB1(A)
        • P(b);::QAB1(A)
      • Refutation
        • R(e);XS(G)
    • Try
      • S(G);
      • Threat
        • QAB1(A),XP(b)
      • Vars
        • B(f);OGATE,XS(G)::QAR1(A),XB(f)
        • S(g);S_CUTR(e)::B(C)
        • P(b);::QAB1(A)
      • Refutation
        • S(c);
    • Try
      • S(G);CHECK
      • Vars
        • B(f);XS(G)::QAR1(A)
      • Refutation
        • S(g);XS(G)
  • Actual
    • B(C);
    • Threat
      • QAB1(A),XP(b)
    • Vars
      • R(a);XP(D)::S(G),XR(a)
      • S(c);N_GUARD::QAB1(A)
      • S(g);N_GUARD::R1(H),XB(f)
      • P(b);::QAB1(A)
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