MESON Chess Problem Database

Problem Display
PID: 140623 (2N5/8/R2KpN2/5k1B/7P/2p1Pp2/5P2/B7 w - - 0 1)

Kopyl, Valery Volodimirovich

Probleemblad, 2010

2N5/8/R2KpN2/5k1B/7P/2p1Pp2/5P2/B7

#2

9 + 4

SOLUTION

  • SOUND
  • Sets
    • 1...c2
      • 2.Se7#
  • Tries
    • 1.Se4?
      • 1...Kxe4
        • 2.Bg6#
      • 1...c2
        • 2.Sg3#
      • 1...e5!
    • 1.Ra7?
      • 1...Kxf6
        • 2.Rf7#
      • 1...c2
        • 2.Se7#
      • 1...e5!
  • Keys
    • 1.Ke7!
      • 1...Ke5
        • 2.Ra5#
      • 1...c2
        • 2.Sd6#
      • 1...e5
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);::S(I)
  • Tries
    • Try
      • S(H);
      • Vars
        • K(c);S_FLIGHT,XS(H)::B(E)
        • P(a);::S(H)
      • Refutation
        • P(d);
    • Try
      • R(F);
      • Vars
        • K(c);OGATEB,P-FLIGHT,P_SPINP(a),XS(H)::R1(F)
        • P(a);::S(I)
      • Refutation
        • P(d);
  • Actual
    • K(G);S_FLIGHT
    • Vars
      • K(c);P-FLIGHT,P_SPINP(a)::R(F)
      • P(a);::S(I)
      • P(d);SBLOCK::S(I)
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