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See it for yourselfAbout this chess game
This chess game between Koby Kalavannan (2303) and Simon E Lazarus (1874) was played at Cambridge International Open 3rd in 2025 and finished 1-0. The opening was the Queen's Gambit Declined: Semi-Tarrasch Defense (D40).
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 Koby Kalavannan games or Simon E Lazarus games? This Koby Kalavannan vs Simon E Lazarus 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 Queen's Gambit Declined: Semi-Tarrasch Defense.
Frequently asked questions
Who won Koby Kalavannan vs Simon E Lazarus?
Koby Kalavannan vs Simon E Lazarus (2025) finished 1-0, a win for Koby Kalavannan.
What opening was played in Koby Kalavannan vs Simon E Lazarus?
The game opened with the Queen's Gambit Declined: Semi-Tarrasch Defense (ECO D40).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Koby Kalavannan vs Simon E Lazarus, or open it on the CipherChess analysis board to review it with the Stockfish engine.