MESON Chess Problem Database

Problem Display
PID: 36972 (1k6/1P6/3P1P2/p1N5/K2B4/8/8/8 w - - 0 1)

Shinkman, William Anthony

The Theory of Pawn Promotion, 1912

1k6/1P6/3P1P2/p1N5/K2B4/8/8/8

#3

6 + 2

SOLUTION

  • SOUND
  • Tries
    • 1.Kb5?
      • threat
        • 2.Ka6
          • 2...a4
            • 3.Sd7#
        • 2.Kb6
          • 2...a4
            • 3.Sa6#
            • 3.Sd7#
      • 1...a4
        • 2.Ka6
          • 2...a3
            • 3.Sd7#
        • 2.Kb6
          • 2...a3
            • 3.Sa6#
            • 3.Sd7#
      • 1...Ka7!
  • Keys
    • 1.d7!
      • threat
        • 2.Be5+
          • 2...Ka7
            • 3.b8Q#
        • 2.d8Q+
          • 2...Ka7
            • 3.b8Q#
      • 1...Ka7
        • 2.d8S
          • 2...Kb6
            • 3.b8Q#
          • 2...Kb8
            • 3.Sa6#
      • 1...Kc7
        • 2.d8Q+
          • 2...Kc6
            • 3.b8S#
          • 2...Kxd8
            • 3.b8Q#

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