Problem Display
PID: 29697 (1n1B3K/3p1Q2/1PkN3R/2Pp4/1p6/8/6b1/2R5 w - - 0 1)

Lauritzen, Oskar Georg

1st Prize, Skakbladet, 1929

1n1B3K/3p1Q2/1PkN3R/2Pp4/1p6/8/6b1/2R5

#3

8 + 6


881 The Australasian Chess Review 1929
1099 WCSC 1995
259 Thema Danicum 1996
5396 World Chess Solving Championship 1977-1996 1997

SOLUTION


  • SOUND
  • Sets
    • 1...Bf1
      • 2.Qxf1
        • threat
          • 3.Qb5#
        • 2...d4
          • 3.Qg2#
          • 3.Qh1#
          • 3.Qf3#
    • 1...Bh1
      • 2.Qf1
        • threat
          • 3.Qb5#
        • 2...d4
          • 3.Qxh1#
    • 1...d4
      • 2.Qa2
        • threat
          • 3.Qxg2#
          • 3.Qa8#
  • Tries
    • 1.Bg5?
      • 1...Bf3
        • 2.Qf8
          • threat
            • 3.Qc8#
          • 2...d4
            • 3.Qxf3#
          • 2...Sa6
            • 3.Qa8#
      • 1...Bf1
        • 2.Qxf1
          • threat
            • 3.Qb5#
          • 2...d4
            • 3.Qg2#
            • 3.Qh1#
            • 3.Qf3#
      • 1...Bh1
        • 2.Qf1
          • threat
            • 3.Qb5#
          • 2...d4
            • 3.Qxh1#
      • 1...Bh3
        • 2.Qe8
          • threat
            • 3.Qc8#
          • 2...d4
            • 3.Qe4#
          • 2...Sa6
            • 3.Qa8#
        • 2.Qf8
          • threat
            • 3.Qc8#
          • 2...d4
            • 3.Qf3#
          • 2...Sa6
            • 3.Qa8#
      • 1...Be4
        • 2.Qe8
          • threat
            • 3.Qc8#
          • 2...d4
            • 3.Qxe4#
          • 2...Sa6
            • 3.Qa8#
      • 1...Sa6
        • 2.Qxd7+
          • 2...Kxd7
            • 3.c6#
      • 1...d4
        • 2.Qa2
          • threat
            • 3.Qxg2#
            • 3.Qa8#
      • 1...b3!
    • 1.Qf1?
      • threat
        • 2.Qb5#
      • 1...d4
        • 2.Qxg2#
      • 1...Bxf1!
  • Keys
    • 1.Bh4!
      • threat
        • 2.Qg8
          • threat
            • 3.Qc8#
          • 2...Sa6
            • 3.Qa8#
          • 2...d4
            • 3.Qxg2#
      • 1...Bf3
        • 2.Qf8
          • threat
            • 3.Qc8#
          • 2...d4
            • 3.Qxf3#
          • 2...Sa6
            • 3.Qa8#
      • 1...Bf1
        • 2.Qxf1
          • threat
            • 3.Qb5#
          • 2...d4
            • 3.Qg2#
            • 3.Qh1#
            • 3.Qf3#
      • 1...Bh1
        • 2.Qf1
          • threat
            • 3.Qb5#
          • 2...d4
            • 3.Qxh1#
      • 1...Bh3
        • 2.Qe8
          • threat
            • 3.Qc8#
          • 2...d4
            • 3.Qe4#
          • 2...Sa6
            • 3.Qa8#
        • 2.Qf8
          • threat
            • 3.Qc8#
          • 2...d4
            • 3.Qf3#
          • 2...Sa6
            • 3.Qa8#
      • 1...Be4
        • 2.Qe8
          • threat
            • 3.Qc8#
          • 2...d4
            • 3.Qxe4#
          • 2...Sa6
            • 3.Qa8#
      • 1...Sa6
        • 2.Qxd7+
          • 2...Kxd7
            • 3.c6#
      • 1...d4
        • 2.Qa2
          • threat
            • 3.Qxg2#
            • 3.Qa8#

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