Sebastian Lukas Kostolansky vs Mahel Boyer

2026 Pan-American Intercollegiate Championship, 2026 · Result 1–0 · French Defense: Classical Variation (C11).

Mahel Boyer25200

Sebastian Lukas Kostolansky24291

Notation · 139 moves

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Game details

White: Sebastian Lukas Kostolansky (2429)
Black: Mahel Boyer (2520)
Result: 1–0
Event: 2026 Pan-American Intercollegiate Championship
Year: 2026
Opening: French Defense: Classical Variation (C11)

About this chess game

This chess game between Sebastian Lukas Kostolansky (2429) and Mahel Boyer (2520) was played at 2026 Pan-American Intercollegiate Championship in 2026 and finished 1–0. The opening was the French Defense: Classical Variation (C11). 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 Sebastian Lukas Kostolansky games or Mahel Boyer games? This Sebastian Lukas Kostolansky vs Mahel Boyer 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 French Defense: Classical Variation.

Frequently asked questions

Who won Sebastian Lukas Kostolansky vs Mahel Boyer?

Sebastian Lukas Kostolansky vs Mahel Boyer (2026) finished 1–0, a win for Sebastian Lukas Kostolansky.

What opening was played in Sebastian Lukas Kostolansky vs Mahel Boyer?

The game opened with the French Defense: Classical Variation (ECO C11).

Can I replay this chess game move by move?

Yes. Use the interactive board on this page to step through every move of Sebastian Lukas Kostolansky vs Mahel Boyer, or open it on the CipherChess analysis board to review it with the Stockfish engine.