MESON Chess Problem Database

Problem Display
PID: 34109 (k6B/r1R1K2P/8/8/8/8/7R/8 w - - 0 1)

Lucarelli, Livio

Nikolussi, Herbert

Die Schwalbe, 1965

k6B/r1R1K2P/8/8/8/8/7R/8

#4

5 + 2

SOLUTION

  • SOUND
  • Keys
    • 1.Ra2!
      • threat
        • 2.Be5
          • threat
            • 3.Rcxa7#
            • 3.h8Q#
            • 3.h8R#
          • 2...Kb8
            • 3.h8Q#
            • 3.h8R#
      • 1...Kb8
        • 2.Rcxa7
          • 2...Kc8
            • 3.Ba1
              • 3...Kb8
                • 4.h8Q#
                • 4.h8R#
            • 3.Bb2
              • 3...Kb8
                • 4.h8Q#
                • 4.h8R#
            • 3.Bc3
              • 3...Kb8
                • 4.h8Q#
                • 4.h8R#
            • 3.Bd4
              • 3...Kb8
                • 4.h8Q#
                • 4.h8R#
            • 3.Bf6
              • 3...Kb8
                • 4.h8Q#
                • 4.h8R#
            • 3.Bg7
              • 3...Kb8
                • 4.h8Q#
                • 4.h8R#
      • 1...Rxa2
        • 2.Bb2
          • threat
            • 3.h8Q#
            • 3.h8R#
          • 2...Kb8
            • 3.Kd7
              • threat
                • 4.h8Q#
                • 4.h8R#
              • 3...Ka8
                • 4.h8Q#
                • 4.h8R#
            • 3.Rd7
              • threat
                • 4.h8Q#
                • 4.h8R#
              • 3...Ka8
                • 4.h8Q#
                • 4.h8R#
              • 3...Kc8
                • 4.h8Q#
                • 4.h8R#
          • 2...Rxb2
            • 3.h8Q+
              • 3...Rb8
                • 4.Qa1#

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