MESON Chess Problem Database

Problem Display
PID: 252636 (B4R2/r1BPK3/3Np3/1NP1kP2/2P5/8/2qp1PP1/8 w - - 0 1)

Sardella, Giuseppe

SEPA-80 JT (Problemas), 2013-2014

B4R2/r1BPK3/3Np3/1NP1kP2/2P5/8/2qp1PP1/8

#2

12 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Qe4
      • 2.Sb7#
    • 1...Qxf5
      • 2.Sf7#
    • 1...Qxc4
      • 2.Sxc4#
    • 1...Ra1
      • 2.Se4#
      • 2.Sc8#
      • 2.Se8#
    • 1...Ra2
      • 2.Se4#
      • 2.Sc8#
      • 2.Se8#
    • 1...Ra3
      • 2.Se4#
      • 2.Sc8#
      • 2.Se8#
    • 1...Ra4
      • 2.Se4#
      • 2.Sc8#
      • 2.Se8#
    • 1...Ra5
      • 2.Se4#
      • 2.Sc8#
      • 2.Se8#
    • 1...exf5
      • 2.Sf7#
  • Tries
    • 1.fxe6?
      • threat
        • 2.f4#
      • 1...Qxc4
        • 2.Sxc4#
        • 2.Rf5#
      • 1...Qf5
        • 2.Sf7#
        • 2.Rxf5#
      • 1...Qe4
        • 2.Sb7#
      • 1...Qh7+!
  • Keys
    • 1.g3!
      • threat
        • 2.f4#
      • 1...Qxf5
        • 2.Sf7#
      • 1...Qxc4
        • 2.Sxc4#
      • 1...Qe4
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • Q(a);SBLOCK::B(H)+S(G)
    • Q(a);SBLOCK,XP(F)::B(H)+S(G),DCHECK
    • Q(a);XP(C)::B(H)+S(G),DCHECK,XQ(a)
    • P(d);SBLOCK,XP(F)::B(H)+S(G),DCHECK
  • Tries
    • Try
      • P(F);XP(d)
      • Threat
        • P(A)
      • Vars
        • Q(a);SBLOCK::B(H)+S(G)
      • Refutation
        • Q(a);CHECK
  • Actual
    • P(B);
    • Threat
      • P(A)
    • Vars
      • Q(a);SBLOCK,XP(F)::B(H)+S(G),DCHECK
      • Q(a);XP(C)::B(H)+S(G),DCHECK,XQ(a)
      • Q(a);SBLOCK::B(H)+S(G)
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