Praskovya Chernikova (Russian: ÃÂÃÂðÃÂúþòÃÂàÃÂõÃÂÃÂþòýð çõÃÂýøúþòð; died 1833), was a Russian stage actress and opera singer (mezzo-soprano). She was engaged at the Karl Knipper Theatre in St. Petersburg in 1777âÂÂ1826, during which she was the leading lady and pioneer member of the first public theatre in St. Petersburg.