Problem Display
PID: 20108 (8/8/8/8/8/B7/p7/k1Kn4 w - - 0 1)

Hultberg, Gustav Herbert

2nd Prize, Tidskrift for Schack, 1928

8/8/8/8/8/B7/p7/k1Kn4

#4

2 + 3


3773 FIDE Album (1914-1944) (II) 1972
2012 Miniature Chess Problems from Many Countries 1981
16882 KSG-Problemschach 1969-1987 (Muck/Laue) 1993
3713 Snap 2001

SOLUTION


  • SOUND
  • Keys
    • 1.Bf8!
      • threat
        • 2.Bg7+
          • 2...Sb2
            • 3.Bxb2#
          • 2...Sc3
            • 3.Bxc3#
        • 2.Ba3
          • 2...Sb2
            • 3.Bxb2#
          • 2...Sf2
            • 3.Bb2#
          • 2...Sc3
            • 3.Bb2#
          • 2...Se3
            • 3.Bb2#
      • 1...Sb2
        • 2.Kc2
          • 2...Sd1
            • 3.Bg7+
              • 3...Sb2
                • 4.Bxb2#
              • 3...Sc3
                • 4.Bxc3#
          • 2...Sd3
            • 3.Bg7+
              • 3...Sb2
                • 4.Bxb2#
              • 3...Se5
                • 4.Bxe5#
          • 2...Sa4
            • 3.Bg7+
              • 3...Sb2
                • 4.Bxb2#
              • 3...Sc3
                • 4.Bxc3#
            • 3.Ba3
              • 3...Sb2
                • 4.Bxb2#
              • 3...Sc3
                • 4.Bb2#
              • 3...Sc5
                • 4.Bb2#
              • 3...Sb6
                • 4.Bb2#
          • 2...Sc4
            • 3.Bg7+
              • 3...Sb2
                • 4.Bxb2#
              • 3...Se5
                • 4.Bxe5#
      • 1...Sc3
        • 2.Kc2
          • 2...Sb1
            • 3.Bg7+
              • 3...Sc3
                • 4.Bxc3#
          • 2...Sd1
            • 3.Bg7+
              • 3...Sb2
                • 4.Bxb2#
              • 3...Sc3
                • 4.Bxc3#
          • 2...Se2
            • 3.Bg7+
              • 3...Sc3
                • 4.Bxc3#
              • 3...Sd4+
                • 4.Bxd4#
          • 2...Sa4
            • 3.Bg7+
              • 3...Sb2
                • 4.Bxb2#
              • 3...Sc3
                • 4.Bxc3#
            • 3.Ba3
              • 3...Sb2
                • 4.Bxb2#
              • 3...Sc3
                • 4.Bb2#
              • 3...Sc5
                • 4.Bb2#
              • 3...Sb6
                • 4.Bb2#
          • 2...Se4
            • 3.Bg7+
              • 3...Sc3
                • 4.Bxc3#
              • 3...Sf6
                • 4.Bxf6#
            • 3.Ba3
              • threat
                • 4.Bb2#
            • 3.Bb4
              • 3...Sd2
                • 4.Bc3#
              • 3...Sf2
                • 4.Bc3#
              • 3...Sc3
                • 4.Bxc3#
              • 3...Sg3
                • 4.Bc3#
              • 3...Sc5
                • 4.Bc3#
              • 3...Sg5
                • 4.Bc3#
              • 3...Sd6
                • 4.Bc3#
              • 3...Sf6
                • 4.Bc3#
          • 2...Sb5
            • 3.Bg7+
              • 3...Sc3
                • 4.Bxc3#
              • 3...Sd4+
                • 4.Bxd4#
          • 2...Sd5
            • 3.Bg7+
              • 3...Sc3
                • 4.Bxc3#
              • 3...Sf6
                • 4.Bxf6#

This anticipates 31319(1948), 267934(1955)

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