MESON Chess Problem Database

Problem Display
PID: 46507 (4k2r/R3B2n/3K4/8/8/8/2R5/8 w k - 0 1)

Pettersen, Otvind

Dagbladet, 1956

4k2r/R3B2n/3K4/8/8/8/2R5/8

#2

4 + 3

4884 154 norske miniatyrproblemer 1974

SOLUTION

  • SOUND
  • Tries
    • 1.Bh4?
      • threat
        • 2.Rc8#
      • 1...Kf8
        • 2.Rc8#
      • 1...0-0!
    • 1.Bg5?
      • threat
        • 2.Rc8#
      • 1...Kf8
        • 2.Rc8#
      • 1...0-0!
    • 1.Bf6?
      • threat
        • 2.Rc8#
      • 1...Kf8
        • 2.Rc8#
      • 1...0-0!
  • Keys
    • 1.Bf8!
      • threat
        • 2.Rc8#
      • 1...Kd8
        • 2.Ra8#
      • 1...Kxf8
        • 2.Rc8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(D);
      • Threat
        • R(A)
      • Vars
        • K(b);P-FLIGHT::R(A)
      • Refutation
        • K(b);0-0
    • Try
      • B(D);
      • Threat
        • R(A)
      • Vars
        • K(b);P-FLIGHT::R(A)
      • Refutation
        • K(b);0-0
    • Try
      • B(D);
      • Threat
        • R(A)
      • Vars
        • K(b);P-FLIGHT::R(A)
      • Refutation
        • K(b);0-0
  • Actual
    • B(D);
    • Threat
      • R(A)
    • Vars
      • K(b);P-FLIGHT::R(C)
      • K(b);P-FLIGHT,XB(D)::R(A)
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