Pyotr Gennadyevich Devyatkin was born on March 8, 1977, and died on September 10, 2016.

He was a Kazakhstani ice hockey forward.

Pyotr competed for Kazakhstan at the 1998 Winter Olympics, where his team placed fifth.

During his club years Devyatkin mostly played in Russia, and after retiring from competitions worked as an ice hockey coach in Poronaysk.

Pyotr presumably committed suicide in Novosibirsk.

Pyotr Devyatkin passed away at 39 years old.