MESON Chess Problem Database

Problem Display
PID: 138094 (5R2/2n4K/1R5B/P1k1n3/1p1p1Np1/1P1r4/6r1/5Q1B w - - 0 1)

Battaglia, Emilio

3rd Prize, Scacco!, 1974

5R2/2n4K/1R5B/P1k1n3/1p1p1Np1/1P1r4/6r1/5Q1B

#2

9 + 8

14744 Nuova Antologia dei Problemisti Italiani 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Se6#
  • Tries
    • 1.Rc8?
      • threat
        • 2.Bf8#
      • 1...Rh2
        • 2.Se6#
      • 1...Rh3
        • 2.Qb5#
      • 1...Sc4
        • 2.Rxc7#
      • 1...Sg6
        • 2.Rxc7#
      • 1...Sd7
        • 2.Rxc7#
      • 1...Sf7
        • 2.Rxc7#
      • 1...Sc6!
  • Keys
    • 1.Rf5!
      • threat
        • 2.Bf8#
      • 1...Rh2
        • 2.Sxd3#
      • 1...Rh3
        • 2.Qc4#
      • 1...Sb5
        • 2.Rxe5#
      • 1...Sd5
        • 2.Se6#
      • 1...Se6
        • 2.Rxe5#
      • 1...Se8
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(h);N_GUARD,SBLOCK::S(D)
  • Tries
    • Try
      • R(I);P_PINS(h)
      • Threat
        • B(G)
      • Vars
        • R(a);P_PINB(G)::S(D)
        • R(b);OGATE,P_PINB(G)::QAR1(A)
        • S(g);N_GUARD::R(I),XS(h)
      • Refutation
        • S(g);N_SPINS(h)
  • Actual
    • R(I);P_PINS(g)
    • Threat
      • B(G)
    • Vars
      • R(a);P_PINB(G)::S(D),XR(b)
      • R(b);OGATE,P_PINB(G)::QAR1(A)
      • S(h);N_GUARD::R(I),XS(g)
      • S(h);N_GUARD,N_SPINS(g),SBLOCK::S(D)
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