Problem Display
PID: 98424 (k7/p2N4/PbN5/4p3/4p3/4p3/8/4KBB1 w - - 0 1)

Oppenheimer, Otto

The Chess Problem, 1947

k7/p2N4/PbN5/4p3/4p3/4p3/8/4KBB1

#3

6 + 6


6490 yacpdb 2009

SOLUTION


  • SOUND
  • Tries
    • 1.Bc4?
      • threat
        • 2.Sb4
          • threat
            • 3.Bd5#
        • 2.Bd5
          • threat
            • 3.Sb4#
            • 3.Sd4#
            • 3.Sa5#
            • 3.Scxe5#
            • 3.Se7#
            • 3.Scb8#
            • 3.Sd8#
      • 1...Ba5+
        • 2.Sxa5
          • 2...e2
            • 3.Bd5#
      • 1...Bd4
        • 2.Sxd4
          • threat
            • 3.Bd5#
      • 1...Bc5
        • 2.Bd5
          • threat
            • 3.Sb4#
            • 3.Sd4#
            • 3.Sa5#
            • 3.Scxe5#
            • 3.Se7#
            • 3.Scb8#
            • 3.Sd8#
          • 2...Bb4+
            • 3.Sxb4#
      • 1...Bd8
        • 2.Sxd8
          • 2...e2
            • 3.Bd5#
      • 1...e2!
  • Keys
    • 1.Bg2!
      • threat
        • 2.Sb4
          • threat
            • 3.Bxe4#
        • 2.Bxe4
          • threat
            • 3.Sb4#
            • 3.Sd4#
            • 3.Sa5#
            • 3.Scxe5#
            • 3.Se7#
            • 3.Scb8#
            • 3.Sd8#
      • 1...Ba5+
        • 2.Sxa5
          • 2...e2
            • 3.Bxe4#
      • 1...Bd4
        • 2.Sxd4
          • threat
            • 3.Bxe4#
      • 1...Bc5
        • 2.Bxe4
          • threat
            • 3.Sb4#
            • 3.Sd4#
            • 3.Sa5#
            • 3.Scxe5#
            • 3.Se7#
            • 3.Scb8#
            • 3.Sd8#
          • 2...Bb4+
            • 3.Sxb4#
      • 1...Bd8
        • 2.Sxd8
          • 2...e2
            • 3.Bxe4#
      • 1...e2
        • 2.Bxb6
          • 2...axb6
            • 3.Sxb6#
          • 2...e3
            • 3.Scxe5#

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