Problem Display
PID: 134599 (6B1/8/8/8/p2N4/p1pN4/PpPpP1K1/3k4 w - - 0 1)

White, Alain Campbell

The Theory of Pawn Promotion, 1912

6B1/8/8/8/p2N4/p1pN4/PpPpP1K1/3k4

#3

7 + 6


14986 White-Hume Collection 2014

SOLUTION


  • SOUND
  • Tries
    • 1.Kf2?
      • 1...b1S
        • 2.Sf5
          • 2...Kxc2
            • 3.Se3#
      • 1...b1B
        • 2.Sf5
          • threat
            • 3.Se3#
          • 2...Kxc2
            • 3.Se3#
      • 1...b1R
        • 2.Sf5
          • threat
            • 3.Se3#
          • 2...Kxc2
            • 3.Se3#
      • 1...b1Q!
    • 1.Kf3?
      • 1...b1S
        • 2.Sf5
          • 2...Kxc2
            • 3.Se3#
      • 1...b1B
        • 2.Sf5
          • threat
            • 3.Se3#
          • 2...Kxc2
            • 3.Se3#
      • 1...b1R
        • 2.Sf5
          • threat
            • 3.Se3#
          • 2...Kxc2
            • 3.Se3#
      • 1...b1Q!
    • 1.Sf2+?
      • 1...Ke1
        • 2.Bc4
          • threat
            • 3.Sf3#
      • 1...Kc1!
    • 1.Be6?
      • threat
        • 2.Bg4
          • threat
            • 3.e3#
            • 3.e4#
        • 2.e3
          • threat
            • 3.Bg4#
        • 2.e4
          • threat
            • 3.Bg4#
      • 1...b1Q
        • 2.Bg4
          • threat
            • 3.e3#
            • 3.e4#
        • 2.e4
          • threat
            • 3.Bg4#
      • 1...b1S!
    • 1.e4?
      • threat
        • 2.Be6
          • threat
            • 3.Bg4#
        • 2.Bf7
          • threat
            • 3.Bh5#
      • 1...b1Q
        • 2.Be6
          • threat
            • 3.Bg4#
      • 1...b1R
        • 2.Be6
          • threat
            • 3.Bg4#
      • 1...b1S!
  • Keys
    • 1.Bd5!
      • threat
        • 2.Bf3
          • threat
            • 3.e3#
            • 3.e4#
        • 2.e3
          • threat
            • 3.Bf3#
      • 1...b1Q
        • 2.Bf3
          • threat
            • 3.e3#
            • 3.e4#
      • 1...b1S
        • 2.Sf5
          • 2...Kxc2
            • 3.Se3#
          • 2...Kxe2
            • 3.Bf3#

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Version of M Lissner, Bahn Frei, 1896

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