MESON Chess Problem Database

Problem Display
PID: 103268 (1N6/p7/8/k1b5/1R5B/PP6/K7/8 w - - 0 1)

Macedo Soares, JE

Caissa, 1980

1N6/p7/8/k1b5/1R5B/PP6/K7/8

#2

6 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf8
      • 2.Bd8#
    • 1...a6
      • 2.Sc6#
  • Keys
    • 1.a4!
      • threat
        • 2.Rb5#
      • 1...Kxb4
        • 2.Be1#
      • 1...Bxb4
        • 2.Bd8#
      • 1...a6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD::B(E)
    • P(c);SBLOCK::S(F)
  • Actual
    • P(B);
    • Threat
      • R1(D)
    • Vars
      • K(a);OGATEB,S_FLIGHT,XR(D)::B(E)
      • B(b);N_GUARD,SBLOCK,XR(D)::B(E)
      • P(c);SBLOCK::S(F)
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