MESON Chess Problem Database

Problem Display
PID: 71424 (4B3/n1N5/2R5/rP1p3K/kr5p/Pp6/1P6/8 w - - 0 1)

Peris Pardo, Julio

Chess, 1951

4B3/n1N5/2R5/rP1p3K/kr5p/Pp6/1P6/8

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb5
      • 2.Ra6#
    • 1...Ra6
      • 2.Rxa6#
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Sc3#
      • 1...Kxb5
        • 2.Sc3#
      • 1...Rbxb5
        • 2.Rc4#
      • 1...Raxb5
        • 2.Ra6#
      • 1...Sxb5
        • 2.Sb6#
      • 1...Ra6
        • 2.Rxa6#
      • 1...Rc4
        • 2.Rxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATEB,XP(C)::R(E)
    • R(e);OGATEB::R(E),XR(e)
  • Actual
    • S(F);XP(f)
    • Threat
      • S(F)
    • Vars
      • K(b);S_FLIGHT,XP(C)::S(F)
      • R(c);OGATEB,P_PINS(F),XP(C)::R(E)
      • R(e);OGATEB,P_PINS(F),XP(C)::R(E)
      • S(g);SBLOCK,XP(C)::S(F)
      • R(e);OGATEB::R(E),XR(e)
      • R(c);OGATEB::R(E),XR(c)
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