MESON Chess Problem Database

Problem Display
PID: 197210 (4Bn2/1N5p/7K/1P2p1p1/k7/7R/PbN5/3r4 w - - 0 1)

Zepler, Erich Ernest

Deutsches Wochenschach, 1920

4Bn2/1N5p/7K/1P2p1p1/k7/7R/PbN5/3r4

#4

7 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Keys
    • 1.Rb3!
      • threat
        • 2.Rb4#
      • 1...Rh1+
        • 2.Kg7
          • threat
            • 3.Rb4#
          • 2...Se6+
            • 3.Kg8
              • threat
                • 4.Rb4#
                • 4.b6#
          • 2...e4+
            • 3.Kg8
              • threat
                • 4.Rb4#
              • 3...Ba3
                • 4.Rxa3#
              • 3...Bc3
                • 4.Ra3#
          • 2...Rh4
            • 3.b6+
              • 3...Sd7
                • 4.Bxd7#
      • 1...Rd6+
        • 2.Sxd6
          • threat
            • 3.Rb4+
              • 3...Ka5
                • 4.Sc4#
            • 3.Sc4
              • threat
                • 4.Rb4#
              • 3...Ba3
                • 4.Rxa3#
              • 3...Bc3
                • 4.Ra3#
            • 3.Sb7
              • threat
                • 4.Rb4#
              • 3...Ba3
                • 4.Rxa3#
              • 3...Bc3
                • 4.Ra3#
          • 2...Ka5
            • 3.Sc4+
              • 3...Ka4
                • 4.Rb4#
      • 1...Rd4
        • 2.b6+
          • 2...Sd7
            • 3.Bxd7+
              • 3...Rxd7
                • 4.Rb4#
            • 3.Sxd4
              • threat
                • 4.Bxd7#
        • 2.Sxd4
          • threat
            • 3.b6+
              • 3...Sd7
                • 4.Bxd7#
            • 3.Sc2
              • threat
                • 4.Rb4#
              • 3...Ba3
                • 4.Rxa3#
              • 3...Bc3
                • 4.Ra3#
            • 3.Bc6
              • threat
                • 4.b6#
          • 2...Sd7
            • 3.Bxd7
              • threat
                • 4.b6#
            • 3.b6
              • threat
                • 4.Bxd7#

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