MESON Chess Problem Database

Problem Display
PID: 1222 (1R6/7b/k7/3R1p2/3P1K2/8/8/8 w - - 0 1)

Makaronets, Leonid

The Problemist Supplement, 1996

1R6/7b/k7/3R1p2/3P1K2/8/8/8

#4

4 + 3

SOLUTION

  • SOUND
  • Keys
    • 1.Rdb5!
      • threat
        • 2.Rb1
          • threat
            • 3.Ra1#
            • 3.Ra8#
          • 2...Ka7
            • 3.R8b3
              • threat
                • 4.Ra1#
                • 4.Ra3#
              • 3...Ka6
                • 4.Ra1#
                • 4.Ra3#
              • 3...Ka8
                • 4.Ra1#
                • 4.Ra3#
            • 3.R8b4
              • threat
                • 4.Ra1#
                • 4.Ra4#
              • 3...Ka6
                • 4.Ra1#
                • 4.Ra4#
              • 3...Ka8
                • 4.Ra1#
                • 4.Ra4#
        • 2.Rb2
          • threat
            • 3.Ra2#
            • 3.Ra8#
          • 2...Ka7
            • 3.R8b3
              • threat
                • 4.Ra2#
                • 4.Ra3#
              • 3...Ka6
                • 4.Ra2#
                • 4.Ra3#
              • 3...Ka8
                • 4.Ra2#
                • 4.Ra3#
            • 3.R8b4
              • threat
                • 4.Ra2#
                • 4.Ra4#
              • 3...Ka6
                • 4.Ra2#
                • 4.Ra4#
              • 3...Ka8
                • 4.Ra2#
                • 4.Ra4#
        • 2.Rb3
          • threat
            • 3.Ra3#
            • 3.Ra8#
          • 2...Ka7
            • 3.R8b4
              • threat
                • 4.Ra3#
                • 4.Ra4#
              • 3...Ka6
                • 4.Ra3#
                • 4.Ra4#
              • 3...Ka8
                • 4.Ra3#
                • 4.Ra4#
      • 1...Ka7
        • 2.R5b7+
          • 2...Ka6
            • 3.Rxh7
              • 3...Ka5
                • 4.Ra7#
      • 1...Bg6
        • 2.R8b6+
          • 2...Ka7
            • 3.Rxg6
              • 3...Ka8
                • 4.Ra6#
      • 1...Bg8
        • 2.Rb1
          • threat
            • 3.Ra8#
          • 2...Ka7
            • 3.Rxg8
              • 3...Ka6
                • 4.Ra8#
          • 2...Bb3
            • 3.Ra1+
              • 3...Ba2
                • 4.Rxa2#
              • 3...Ba4
                • 4.Rxa4#
            • 3.R8xb3
              • threat
                • 4.Ra1#
                • 4.Ra3#
              • 3...Ka5
                • 4.Ra1#
                • 4.Ra3#
              • 3...Ka7
                • 4.Ra1#
                • 4.Ra3#
          • 2...Bd5
            • 3.Ra1+
              • 3...Ba2
                • 4.Rxa2#

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