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You just replayed Chatterjee Koustav vs Joshua Altman. 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 Chatterjee Koustav (2481) and Joshua Altman was played at 2026 Labor Day Norm Invitational | GM B in 2026 and finished 1-0. The opening was the Zukertort Opening (A06).
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 Chatterjee Koustav games or Joshua Altman games? This Chatterjee Koustav vs Joshua Altman 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 Zukertort Opening.
Frequently asked questions
Who won Chatterjee Koustav vs Joshua Altman?
Chatterjee Koustav vs Joshua Altman (2026) finished 1-0, a win for Chatterjee Koustav.
What opening was played in Chatterjee Koustav vs Joshua Altman?
The game opened with the Zukertort Opening (ECO A06).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Chatterjee Koustav vs Joshua Altman, or open it on the CipherChess analysis board to review it with the Stockfish engine.