Problem Display
PID: 97483 (rbB5/1Rpp4/k7/1p5p/3N3R/p2n4/Nn6/4B1K1 w - - 0 1)

Becker, Christopher Bennett

US Problem Bulletin, 1987

rbB5/1Rpp4/k7/1p5p/3N3R/p2n4/Nn6/4B1K1

#3

7 + 10


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Sets
    • 1...Ba7
      • 2.Rb8#
    • 1...d5
      • 2.Rxb5+
        • 2...Ka7
          • 3.Sc6#
      • 2.Rxb8+
        • 2...Ka7
          • 3.Sc6#
    • 1...d6
      • 2.Rxb5+
        • 2...Ka7
          • 3.Sc6#
      • 2.Rxb8+
        • 2...Ka7
          • 3.Sc6#
  • Tries
    • 1.Rb6+?
      • 1...Ka7
        • 2.Ra6#
      • 1...Kxb6!
  • Keys
    • 1.Ba5!
      • threat
        • 2.Ra7+
          • 2...Kxa7
            • 3.Sxb5#
      • 1...Kxa5
        • 2.Rxb5+
          • 2...Ka4
            • 3.Sc3#
      • 1...Ra7
        • 2.Rxb8+
          • 2...Kxa5
            • 3.Sb3#
          • 2...Rb7
            • 3.Ra8#
      • 1...Ba7
        • 2.Rb6+
          • 2...Kxa5
            • 3.Ra6#
      • 1...b4
        • 2.Rxb4+
          • 2...Kxa5
            • 3.Sb3#
          • 2...Ka7
            • 3.Sb5#
        • 2.Ra7+
          • 2...Kxa7
            • 3.Sb5#
      • 1...c6
        • 2.Rxb5+
          • 2...Ka7
            • 3.Bb6#
      • 1...d5
        • 2.Sc6
          • threat
            • 3.Rb6#
            • 3.Ra7#
            • 3.Rxc7#
            • 3.Rxb8#
        • 2.Rxb5+
          • 2...Ka7
            • 3.Sc6#
        • 2.Ra7+
          • 2...Kxa7
            • 3.Sxb5#
            • 3.Sc6#
        • 2.Rxb8+
          • 2...Kxa5
            • 3.Sb3#
            • 3.Sc6#
          • 2...Ka7
            • 3.Sc6#
      • 1...d6
        • 2.Sc6
          • threat
            • 3.Rb6#
            • 3.Ra7#
            • 3.Rxc7#
            • 3.Rxb8#
        • 2.Rxb5+
          • 2...Ka7
            • 3.Sc6#
        • 2.Ra7+
          • 2...Kxa7
            • 3.Sxb5#
            • 3.Sc6#
        • 2.Rxb8+
          • 2...Kxa5
            • 3.Sb3#
            • 3.Sc6#
          • 2...Ka7
            • 3.Sc6#

FEATURES


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