Problem Display
PID: 12736 (8/PP3k2/5P2/5K2/8/8/8/8 w - - 0 1)

Loyd, Sam

La Strategie, 1867

8/PP3k2/5P2/5K2/8/8/8/8

#3

4 + 1


1679 American Chess Nuts 1868
3757 Schachminiaturen I 1902
16 Chess Amateur (The) 1908
1829 The Theory of Pawn Promotion 1912
5206 Sam Loyd and His Chess Problems 1913
5063 Spectacular Chess Problems 1965
5065 Chess Problem Gems by Eight Eminent American Composers 1972
56 The Problemist 2012
133 The Problemist Supplement 2018
3713 Snap 2020

SOLUTION


  • SOUND
  • Sets
    • 1...Ke8
      • 2.Ke6
        • threat
          • 3.a8Q#
          • 3.a8R#
          • 3.b8Q#
          • 3.b8R#
        • 2...Kd8
          • 3.b8Q#
        • 2...Kf8
          • 3.a8Q#
          • 3.a8R#
          • 3.b8Q#
          • 3.b8R#
    • 1...Kg8
      • 2.Kg6
        • threat
          • 3.a8Q#
          • 3.a8R#
          • 3.b8Q#
          • 3.b8R#
        • 2...Kf8
          • 3.a8Q#
          • 3.a8R#
          • 3.b8Q#
          • 3.b8R#
        • 2...Kh8
          • 3.a8Q#
          • 3.a8R#
          • 3.b8Q#
          • 3.b8R#
  • Tries
    • 1.a8S?
      • 1...Ke8
        • 2.Ke6
          • threat
            • 3.b8Q#
            • 3.b8R#
          • 2...Kd8
            • 3.b8Q#
            • 3.b8R#
          • 2...Kf8
            • 3.b8Q#
            • 3.b8R#
      • 1...Kg8
        • 2.Kg6
          • threat
            • 3.b8Q#
            • 3.b8R#
          • 2...Kf8
            • 3.b8Q#
            • 3.b8R#
          • 2...Kh8
            • 3.b8Q#
            • 3.b8R#
      • 1...Kf8!
  • Keys
    • 1.a8B!
      • 1...Ke8
        • 2.Ke6
          • threat
            • 3.b8Q#
            • 3.b8R#
          • 2...Kd8
            • 3.b8Q#
          • 2...Kf8
            • 3.b8Q#
            • 3.b8R#
      • 1...Kf8
        • 2.b8Q+
          • 2...Kf7
            • 3.Bd5#
        • 2.b8R+
          • 2...Kf7
            • 3.Bd5#
      • 1...Kg8
        • 2.Kg6
          • threat
            • 3.b8Q#
            • 3.b8R#
          • 2...Kf8
            • 3.b8Q#
            • 3.b8R#
          • 2...Kh8
            • 3.b8Q#
            • 3.b8R#

This anticipates 213621(1928)

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