MESON Chess Problem Database

Problem Display
PID: 122146 (b7/r6N/8/p6p/PB5k/5B1P/3N3K/8 w - - 0 1)

Giebel, Gerd

Caissa, 1979

b7/r6N/8/p6p/PB5k/5B1P/3N3K/8

#2

7 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Re7
      • 2.Bxe7#
    • 1...Bxf3
      • 2.Sxf3#
    • 1...Bb7
      • 2.Be7#
  • Keys
    • 1.Bb7!
      • threat
        • 2.Sf3#
        • 2.Be7#
      • 1...Rxb7
        • 2.Sf3#
      • 1...Bxb7
        • 2.Be7#
      • 1...axb4
        • 2.Sf3#
      • 1...Ra6
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(d);N_GUARD::B(F),XR(d)
    • B(e);XB(C)::S(A),XB(e)
    • B(e);S_CUTR(d)::B(F)
  • Actual
    • B(C);
    • Threat
      • DUALS(2)
    • Vars
      • R(d);XB(C)::S(A)
      • B(e);XB(C)::B(F)
      • P(b);XB(F)::S(A)
      • R(d);::S(A)
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