About Calvin Blocker
Born 1955. Calvin Blocker is an American chess player.
Calvin Barry Blocker (born 1955 in Cleveland, Ohio) is an American chess player. He earned his Fide Master title in 1981 and International Master title in 1982. The winner of a record 15 Ohio championships, Blocker dominated Ohio chess during the 1980s, winning the title every year from 1981 through 1989 except 1983, when he did not participate. He most recently won the championship in 2013. Blocker is also the Ohio state record holder for simultaneous games, having amassed 110 wins and 6 draws in a single exhibition. Well known as a coach, he has taught several high-profile chess players, including Marc Esserman.
Don’t just read it —
keep it.
Full-length biographies made to live with: read them, listen on the way to work, watch them tonight.
- E-book
- Audio
- Video
Instant download · yours to keep · every purchase keeps this site free
Important facts
People in Calvin Blocker's life
Named in this biography and alive at the same time
Contemporaries
People whose lives overlapped Calvin Blocker's
Frequently asked questions
Who is Calvin Blocker?
American chess player
When was Calvin Blocker born?
Calvin Blocker was born on 28 June 1955 in Cleveland.
What is Calvin Blocker's occupation?
Calvin Blocker is a chess player.
What nationality is Calvin Blocker?
Calvin Blocker is American.
Sources & further reading
Cite this page
APA: Biography.guide. (2026). Calvin Blocker. https://biography.guide/calvin-blocker/
MLA: "Calvin Blocker." Biography.guide, https://biography.guide/calvin-blocker/.
Chicago: "Calvin Blocker." Biography.guide. https://biography.guide/calvin-blocker/.
Data last updated: 2026-09-20 · Spot an error? Report a correction.
Page generated 2026-09-27 05:31 UTC