MESON Chess Problem Database

Problem Display
PID: 219552 (8/7R/8/8/6p1/4Kpk1/7R/8 w - - 0 1)

Lackner, Detlef

Schach-Report, 1990

8/7R/8/8/6p1/4Kpk1/7R/8

#4

3 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Rg7!
      • threat
        • 2.Rf2
          • 2...Kh3
            • 3.Kf4
              • threat
                • 4.Rh7#
              • 3...Kh4
                • 4.Rh2#
                • 4.Rh7#
          • 2...Kh4
            • 3.Kf4
              • threat
                • 4.Rh2#
                • 4.Rh7#
              • 3...Kh3
                • 4.Rh7#
              • 3...Kh5
                • 4.Rh2#
      • 1...Kxh2
        • 2.Kf2
          • threat
            • 3.Rh7#
          • 2...g3+
            • 3.Rxg3
              • 3...Kh1
                • 4.Rh3#
      • 1...f2
        • 2.Rxf2
          • 2...Kh3
            • 3.Kf4
              • threat
                • 4.Rh7#
              • 3...Kh4
                • 4.Rh2#
                • 4.Rh7#
          • 2...Kh4
            • 3.Kf4
              • threat
                • 4.Rh2#
                • 4.Rh7#
              • 3...Kh3
                • 4.Rh7#
              • 3...Kh5
                • 4.Rh2#

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