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See it for yourselfAbout this chess game
This chess game between Koosha Jaferian (2285) and Joshua Posthuma (2380) was played at Royal City Masters 2025 in 2025 and finished 0-1. The opening was the Caro-Kann Defense (B10).
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 Koosha Jaferian games or Joshua Posthuma games? This Koosha Jaferian vs Joshua Posthuma 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 Caro-Kann Defense.
Frequently asked questions
Who won Koosha Jaferian vs Joshua Posthuma?
Koosha Jaferian vs Joshua Posthuma (2025) finished 0-1, a win for Joshua Posthuma.
What opening was played in Koosha Jaferian vs Joshua Posthuma?
The game opened with the Caro-Kann Defense (ECO B10).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Koosha Jaferian vs Joshua Posthuma, or open it on the CipherChess analysis board to review it with the Stockfish engine.