MESON Chess Problem Database

Problem Display
PID: 253523 (8/8/p7/7R/p7/3K4/5N2/2k5 w - - 0 1)

Speckmann, Werner

Shakhmaty v SSSR, 1968

8/8/p7/7R/p7/3K4/5N2/2k5

#4

3 + 3

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sd1!
      • threat
        • 2.Rh2
          • threat
            • 3.Sc3
              • threat
                • 4.Rc2#
          • 2...Kb1
            • 3.Sc3+
              • 3...Ka1
                • 4.Ra2#
              • 3...Kc1
                • 4.Rc2#
          • 2...a5
            • 3.Sc3
              • 3...a3
                • 4.Rc2#
      • 1...Kb1
        • 2.Rh2
          • threat
            • 3.Sc3+
              • 3...Ka1
                • 4.Ra2#
              • 3...Kc1
                • 4.Rc2#
          • 2...Ka1
            • 3.Sc3
              • threat
                • 4.Ra2#
          • 2...Kc1
            • 3.Sc3
              • threat
                • 4.Rc2#
      • 1...a3
        • 2.Rh1
          • threat
            • 3.Sc3+
              • 3...Kb2
                • 4.Rb1#
          • 2...Kb1
            • 3.Sc3+
              • 3...Kb2
                • 4.Rb1#
          • 2...a2
            • 3.Kc3
              • threat
                • 4.Sb2#
                • 4.Sf2#
                • 4.Se3#
              • 3...Kb1
                • 4.Sb2#
                • 4.Sf2#
                • 4.Se3#
      • 1...a5
        • 2.Rh2
          • threat
            • 3.Sc3
              • 3...a3
                • 4.Rc2#
          • 2...Kb1
            • 3.Sc3+
              • 3...Ka1
                • 4.Ra2#
              • 3...Kc1
                • 4.Rc2#
          • 2...a3
            • 3.Sc3
              • threat
                • 4.Rc2#

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