MESON Chess Problem Database

Problem Display
PID: 138008 (8/3K4/1R5R/P2k1N2/3n4/3PB1n1/5b1Q/8 w - - 0 1)

Agazzi, Fulvio

Agazzi, Marco

Scacco!, 1983

8/3K4/1R5R/P2k1N2/3n4/3PB1n1/5b1Q/8

#2

8 + 4

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Qd6#
    • 1...Sh1
      • 2.Qd6#
    • 1...Sge2
      • 2.Qd6#
    • 1...Sh5
      • 2.Qd6#
    • 1...Sc2
      • 2.Rb5#
    • 1...Sde2
      • 2.Rb5#
    • 1...Sf3
      • 2.Rb5#
    • 1...Sb5
      • 2.Rxb5#
    • 1...Sxf5
      • 2.Rb5#
    • 1...Sc6
      • 2.Rb5#
  • Tries
    • 1.Se7+?
      • 1...Kc5
        • 2.Rhc6#
      • 1...Ke5!
    • 1.Bxd4?
      • threat
        • 2.Rb5#
        • 2.Rbd6#
        • 2.Rhd6#
      • 1...Sxf5
        • 2.Qe5#
      • 1...Se4
        • 2.Qe5#
      • 1...Bxd4!
    • 1.Qxg3?
      • threat
        • 2.Qd6#
      • 1...Kc5
        • 2.Qe5#
        • 2.Qd6#
      • 1...Sxf5
        • 2.Rb5#
      • 1...Sb5
        • 2.Se7#
        • 2.Rxb5#
      • 1...Bxg3!
  • Keys
    • 1.Rh5!
      • threat
        • 2.Se7#
      • 1...Kc5
        • 2.Sxg3#
      • 1...Ke5
        • 2.Sxd4#
      • 1...Sgxf5
        • 2.Qd6#
      • 1...Sxh5
        • 2.Qd6#
      • 1...Sdxf5
        • 2.Rb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 8
  • Sets
    • S(b);OGATE::QAR1(A)
    • S(c);N_GUARD::R(F)
    • S(c);N_GUARD::R(F),XS(c)
    • S(c);N_GUARD,XS(E)::R(F)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(d);P-FLIGHT,P_SPINS(c)::R1(G)
      • Refutation
        • K(d);P-FLIGHT,P_SPINS(b)
    • Try
      • B(C);XS(c)
      • Threat
        • DUALS(3)
      • Vars
        • S(b);OGATE,XS(E)::QAR1(A)
        • S(b);OGATE::QAR1(A)
      • Refutation
        • B(a);XB(C)
    • Try
      • Q(A);XS(b)
      • Threat
        • QAR1(A)
      • Vars
        • S(c);N_GUARD,XS(E)::R(F)
      • Refutation
        • B(a);XQ(A)
  • Actual
    • R(G);
    • Threat
      • R(G)+S(E),DCHECK
    • Vars
      • K(d);P-FLIGHT,P_SPINS(c)::R(G)+S(E),XS(b)
      • K(d);P-FLIGHT,P_SPINS(b)::R(G)+S(E),XS(c)
      • S(b);OGATE,P_SPINS(b),XS(E)::QAR1(A)
      • S(b);OGATE,XR(G)::QAR1(A)
      • S(c);N_GUARD,P_SPINS(c),XS(E)::R(F)
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