Problem Display
PID: 252403 (8/8/8/8/1p6/4KR2/8/3kN3 w - - 0 1)

Speckmann, Werner

Skakbladet, 1967

8/8/8/8/1p6/4KR2/8/3kN3

#4

3 + 2


6490 yacpdb 2021

SOLUTION


  • SOUND
  • Keys
    • 1.Rf4!
      • threat
        • 2.Rxb4
          • threat
            • 3.Rb1#
          • 2...Kc1
            • 3.Kd3
              • 3...Kd1
                • 4.Rb1#
            • 3.Rb3
              • 3...Kd1
                • 4.Rb1#
            • 3.Rb5
              • 3...Kd1
                • 4.Rb1#
            • 3.Rb6
              • 3...Kd1
                • 4.Rb1#
            • 3.Rb7
              • 3...Kd1
                • 4.Rb1#
            • 3.Rb8
              • 3...Kd1
                • 4.Rb1#
      • 1...Kxe1
        • 2.Rxb4
          • threat
            • 3.Rb1#
          • 2...Kd1
            • 3.Rc4
              • 3...Ke1
                • 4.Rc1#
          • 2...Kf1
            • 3.Rg4
              • 3...Ke1
                • 4.Rg1#
      • 1...b3
        • 2.Rf1
          • threat
            • 3.Sd3+
              • 3...Kc2
                • 4.Rc1#
          • 2...Kc1
            • 3.Sd3+
              • 3...Kc2
                • 4.Rc1#
          • 2...b2
            • 3.Kd3
              • threat
                • 4.Sc2#
                • 4.Sg2#
                • 4.Sf3#
              • 3...Kc1
                • 4.Sc2#
                • 4.Sg2#
                • 4.Sf3#

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