MESON Chess Problem Database

Problem Display
PID: 252713 (7k/1R6/8/2P5/4K3/2p5/1n4R1/8 w - - 0 1)

Thoren, Karl Gunnar Emanuel

Schackvarlden, 1929

7k/1R6/8/2P5/4K3/2p5/1n4R1/8

#3

4 + 3

5454 Near Snap 2021
6490 yacpdb 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Kf5?
      • threat
        • 2.Kg6
          • threat
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
        • 2.Re2
          • threat
            • 3.Re8#
          • 2...Kg8
            • 3.Re8#
      • 1...Sd3
        • 2.Ra2
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...Sd1
        • 2.Kg6
          • threat
            • 3.Rb8#
          • 2...Kg8
            • 3.Rb8#
      • 1...Sa4
        • 2.Re2
          • threat
            • 3.Re8#
          • 2...Kg8
            • 3.Re8#
        • 2.Rb1
          • threat
            • 3.Rh1#
          • 2...Kh7
            • 3.Rh1#
        • 2.Rb4
          • threat
            • 3.Rh4#
          • 2...Kh7
            • 3.Rh4#
      • 1...Sc4!
    • 1.Rgxb2?
      • threat
        • 2.Ra2
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...Kg8
        • 2.Ra2
          • threat
            • 3.Ra8#
          • 2...Kf8
            • 3.Ra8#
          • 2...Kh8
            • 3.Ra8#
      • 1...cxb2!
    • 1.Rd2?
      • threat
        • 2.Rd8#
      • 1...Sd3
        • 2.Rxd3
          • threat
            • 3.Rd8#
          • 2...Kg8
            • 3.Rd8#
      • 1...cxd2!
  • Keys
    • 1.Kd4!
      • threat
        • 2.Re2
          • threat
            • 3.Re8#
          • 2...Kg8
            • 3.Re8#
      • 1...Sd1
        • 2.Ra2
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...Sd3
        • 2.Ra2
          • threat
            • 3.Ra8#
          • 2...Kg8
            • 3.Ra8#
      • 1...Sc4
        • 2.Rb1
          • threat
            • 3.Rh1#
          • 2...Kh7
            • 3.Rh1#

This anticipates 219505(1989)

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