MESON Chess Problem Database

Problem Display
PID: 135021 (8/2K2pp1/4p1R1/3k3B/3Pp3/1P1P4/4N3/8 w - - 0 1)

Armeni, Alberto

Probleemblad, 2009

8/2K2pp1/4p1R1/3k3B/3Pp3/1P1P4/4N3/8

#2

7 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...exd3
      • 2.Bf3#
    • 1...e3
      • 2.Bf3#
    • 1...e5
      • 2.Rd6#
  • Tries
    • 1.Rg4?
      • threat
        • 2.dxe4#
      • 1...exd3
        • 2.Sc3#
      • 1...e5
        • 2.Bxf7#
      • 1...e3
        • 2.Sc3#
      • 1...f5!
    • 1.Rg5+?
      • 1...e5
        • 2.Bxf7#
        • 2.Rxe5#
      • 1...f5!
  • Keys
    • 1.Rxg7!
      • 1...exd3
        • 2.Bf3#
      • 1...e5
        • 2.Bxf7#
      • 1...f5
        • 2.Rd7#
      • 1...e3
        • 2.Bf3#
      • 1...f6
        • 2.Rd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB,XP(C)::B(E)
    • P(a);OGATEB::B(E)
    • P(c);OGATE::R1(F)
  • Tries
    • Try
      • R(F);
      • Threat
        • P(C),XP(a)
      • Vars
        • P(a);XP(C)::S(A)
        • P(c);OGATEB::B(E),XP(d)
        • P(a);::S(A)
      • Refutation
        • P(d);
    • Try
      • R(F);CHECK
      • Refutation
        • P(d);P_SPINP(d)
  • Actual
    • R(F);XP(e)
    • Vars
      • P(a);OGATEB,XP(C)::B(E)
      • P(c);OGATEB::B(E),XP(d)
      • P(d);OGATE::R(F)
      • P(a);OGATEB::B(E)
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