John Costello — Chess Games
Explore 29 chess games played by John Costello between 2016–2023 in the CipherChess chess database. See John Costello's full win, draw and loss record, results with the white and black pieces, the openings John Costello plays most, and replay any game move by move.
Prep against John Costello
Load John Costello's games onto the analysis board, study their openings, and find where their lines crack — all in your browser.
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About John Costello's games
This page collects 29 chess games played by John Costello from the CipherChess mega database, covering 2016–2023. Use it to study how John Costellohandles both colours, which openings John Costello returns to most often, and how their results break down across wins, draws and losses. Every game links to an interactive board where you can replay John Costello's moves and run them through the engine — ideal preparation before facing John Costello over the board or online.