Problem Display
PID: 200762 (kbN1N3/1Rp5/P7/K7/P7/8/n2B4/8 w - - 0 1)

Lane, JF

The Observer, 1948

(First published on Sun Aug 22 1948)

kbN1N3/1Rp5/P7/K7/P7/8/n2B4/8

#3

7 + 4


15239 Valois Notebooks 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ba7
      • 2.Sxc7#
    • 1...Sc1
      • 2.Bxc1
        • 2...Ba7
          • 3.Sxc7#
        • 2...c5
          • 3.Sb6#
        • 2...c6
          • 3.Sb6#
    • 1...Sc3
      • 2.Bxc3
        • 2...Ba7
          • 3.Sxc7#
        • 2...c5
          • 3.Sb6#
        • 2...c6
          • 3.Sb6#
    • 1...Sb4
      • 2.Bxb4
        • 2...Ba7
          • 3.Sxc7#
        • 2...c5
          • 3.Sb6#
        • 2...c6
          • 3.Sb6#
    • 1...c5
      • 2.Sb6#
    • 1...c6
      • 2.Sb6#
  • Tries
    • 1.Be1?
      • 1...Sc3
        • 2.Bxc3
          • 2...Ba7
            • 3.Sxc7#
          • 2...c5
            • 3.Sb6#
          • 2...c6
            • 3.Sb6#
      • 1...Sb4
        • 2.Bxb4
          • 2...Ba7
            • 3.Sxc7#
          • 2...c5
            • 3.Sb6#
          • 2...c6
            • 3.Sb6#
      • 1...Sc1!
    • 1.Be3?
      • threat
        • 2.Ba7
          • threat
            • 3.Rxb8#
          • 2...Bxa7
            • 3.Sxc7#
      • 1...Sc1
        • 2.Bxc1
          • 2...Ba7
            • 3.Sxc7#
          • 2...c5
            • 3.Sb6#
          • 2...c6
            • 3.Sb6#
      • 1...Sb4!
    • 1.Rxc7?
      • threat
        • 2.Sb6#
      • 1...Ba7
        • 2.Rb7
          • threat
            • 3.Sc7#
          • 2...Bb6+
            • 3.Sxb6#
          • 2...Bb8
            • 3.Sb6#
      • 1...Bxc7+!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Bxc7
          • threat
            • 3.Sb6#
            • 3.Rxb8#
          • 2...Bxc7+
            • 3.Sxc7#
          • 2...Ba7
            • 3.Rxa7#
      • 1...Sc1
        • 2.Bxc1
          • 2...Ba7
            • 3.Sxc7#
          • 2...c5
            • 3.Sb6#
          • 2...c6
            • 3.Sb6#
      • 1...Sb4
        • 2.Rxb4
          • 2...Ba7
            • 3.Sxc7#
          • 2...c5
            • 3.Rxb8#
          • 2...c6
            • 3.Rxb8#

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