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You just replayed Jacob Katz vs Zvonko Vranesic. 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 Jacob Katz and Zvonko Vranesic (2450) was played at Ontario Open in 1963 and finished 0-1. The opening was the Sicilian Defense: Najdorf Variation, Main Line (B99).
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 Jacob Katz games or Zvonko Vranesic games? This Jacob Katz vs Zvonko Vranesic 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 Sicilian Defense: Najdorf Variation, Main Line.
Frequently asked questions
Who won Jacob Katz vs Zvonko Vranesic?
Jacob Katz vs Zvonko Vranesic (1963) finished 0-1, a win for Zvonko Vranesic.
What opening was played in Jacob Katz vs Zvonko Vranesic?
The game opened with the Sicilian Defense: Najdorf Variation, Main Line (ECO B99).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of Jacob Katz vs Zvonko Vranesic, or open it on the CipherChess analysis board to review it with the Stockfish engine.