MESON Chess Problem Database

Problem Display
PID: 102284 (8/rpN5/5R2/k2K4/5B2/4b3/1N6/8 w - - 0 1)

Olsen, A

Dagens Nyheter, 1916

8/rpN5/5R2/k2K4/5B2/4b3/1N6/8

#2

5 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Bd2#
    • 1...Bd2
      • 2.Bxd2#
    • 1...Bf2
      • 2.Bd2#
    • 1...Bb6
      • 2.Bd2#
  • Keys
    • 1.Rb6!
      • threat
        • 2.Rb5#
      • 1...Kxb6
        • 2.Sc4#
      • 1...Bxb6
        • 2.Bd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • B(a);OGATE::B(B)
    • B(a);OGATE::B(B),XB(a)
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • K(b);S_FLIGHT,XR(D)::S(A)
      • B(a);OGATE,SBLOCK,XR(D)::B(B)
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