John N Jacobs vs John A Grefe
Las Vegas Open, 1974 · Result ½–½ · Sicilian Defense: McDonnell Attack (B21).
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Game details
- White
- John N Jacobs
- Black
- John A Grefe (2470)
- Result
- ½–½
- Event
- Las Vegas Open
- Year
- 1974
- Opening
- Sicilian Defense: McDonnell Attack (B21)
About this chess game
This chess game between John N Jacobs and John A Grefe (2470) was played at Las Vegas Open in 1974 and finished ½–½. The opening was the Sicilian Defense: McDonnell Attack (B21). 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 John N Jacobs games or John A Grefe games? This John N Jacobs vs John A Grefe 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: McDonnell Attack.
Frequently asked questions
Who won John N Jacobs vs John A Grefe?
John N Jacobs vs John A Grefe (1974) finished ½–½, and the game was drawn.
What opening was played in John N Jacobs vs John A Grefe?
The game opened with the Sicilian Defense: McDonnell Attack (ECO B21).
Can I replay this chess game move by move?
Yes. Use the interactive board on this page to step through every move of John N Jacobs vs John A Grefe, or open it on the CipherChess analysis board to review it with the Stockfish engine.