The chess games played between Alexander McDonnell and Louis-Charles Mahé de La Bourdonnais in 1834 in London were part of their celebrated series of matches, which are highly regarded in chess history.

The McDonnell-Bourdonnais matches were significant for several reasons:

1. **Intensity and Skill:** McDonnell, an Irish player, and Bourdonnais, a French player, were two of the strongest chess players of their time. Their encounters were marked by intense competition and demonstrated exceptional skill and strategic understanding.

2. **Development of Chess Theory:** These matches contributed significantly to the development of chess theory. Both players were innovative in their approaches, and the games witnessed the birth of many tactical and strategic ideas that later became fundamental concepts in chess.

3. **Style Contrast:** The matches showcased the contrasting styles of play between the two players. McDonnell was known for his aggressive and tactical play, while Bourdonnais was more strategic and focused on maneuvering and positional play.

4. **Legacy:** The games played between McDonnell and Bourdonnais left a lasting impact on the chess world. Many of the positions and ideas arising from these matches are still studied and appreciated by chess enthusiasts and have influenced subsequent generations of chess players.

In the particular game you mentioned, the encounter might have contained remarkable moves, combinations, or strategic ideas that contributed to the overall legacy of their matches. However, specific details of individual games from their series may not always be readily available or widely documented due to the historical nature of these matches.