MESON Chess Problem Database

Problem Display
PID: 166932 (8/8/8/8/6R1/1P5r/5K1p/7k w - - 0 1)

de Jong, Leonard Nicholaas

Source?, 1927

8/8/8/8/6R1/1P5r/5K1p/7k

#3

3 + 3

14986 White-Hume Collection 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Rc4?
      • threat
        • 2.Rc1#
      • 1...Rf3+
        • 2.Kxf3
          • 2...Kg1
            • 3.Rc1#
      • 1...Rd3
        • 2.Rc1+
          • 2...Rd1
            • 3.Rxd1#
      • 1...Re3
        • 2.Rc1+
          • 2...Re1
            • 3.Rxe1#
      • 1...Rg3
        • 2.Kxg3
          • 2...Kg1
            • 3.Rc1#
      • 1...Rc3!
    • 1.Rd4?
      • threat
        • 2.Rd1#
      • 1...Rf3+
        • 2.Kxf3
          • 2...Kg1
            • 3.Rd1#
      • 1...Re3
        • 2.Rd1+
          • 2...Re1
            • 3.Rxe1#
      • 1...Rg3
        • 2.Kxg3
          • 2...Kg1
            • 3.Rd1#
      • 1...Rd3!
    • 1.Re4?
      • threat
        • 2.Re1#
      • 1...Rf3+
        • 2.Kxf3
          • 2...Kg1
            • 3.Re1#
      • 1...Rg3
        • 2.Kxg3
          • 2...Kg1
            • 3.Re1#
      • 1...Re3!
  • Keys
    • 1.Ra4!
      • threat
        • 2.Ra1#
      • 1...Rf3+
        • 2.Kxf3
          • 2...Kg1
            • 3.Ra1#
      • 1...Rxb3
        • 2.Ra1+
          • 2...Rb1
            • 3.Rxb1#
      • 1...Rc3
        • 2.Ra1+
          • 2...Rc1
            • 3.Rxc1#
      • 1...Rd3
        • 2.Ra1+
          • 2...Rd1
            • 3.Rxd1#
      • 1...Re3
        • 2.Ra1+
          • 2...Re1
            • 3.Rxe1#
      • 1...Rg3
        • 2.Kxg3
          • 2...Kg1
            • 3.Ra1#

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