It is also known as Schwartz Sequential Dropping ( SSD ) , Cloneproof Schwartz Sequential Dropping ( CSSD ) , Beatpath Method , Beatpath Winner , Path Voting , and Path Winner . The Schulze method is also known as Schwartz Sequential Dropping ( SSD ) , Cloneproof Schwartz Sequential Dropping ( CSSD ) , the Beatpath Method , Beatpath Winner , Path Voting , and Path Winner .