Don't just replay it. Break it down.
You just replayed William Costaras vs Calvin Blocker. On CipherChess, the same board opens up any game — check every move against the engine, prep the players you're about to face, and keep it all in one place that follows you everywhere.
See it for yourselfAbout this chess game
This chess game between William Costaras and Calvin Blocker (2435) was played at Cleveland,OH in 1976 and finished 0-1. The opening was the Petrov's Defense (C42).
You can replay the full game move by move on the interactive board above, or open it on the CipherChess analysis board to study every move with the Stockfish engine.
Looking for more William Costaras games or Calvin Blocker games? This William Costaras vs Calvin Blocker encounter is one of millions of chess games indexed in the CipherChess mega database. Browse both players' full records, the openings they play most, and head-to-head results, then load any game onto the board to prepare your own lines against the Petrov's Defense.
Frequently asked questions
Who won William Costaras vs Calvin Blocker?
William Costaras vs Calvin Blocker (1976) finished 0-1, a win for Calvin Blocker.
What opening was played in William Costaras vs Calvin Blocker?
The game opened with the Petrov's Defense (ECO C42).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of William Costaras vs Calvin Blocker, or open it on the CipherChess analysis board to review it with the Stockfish engine.