Utterberg: De la Bourdonnais versus McDonnell, 1834: The Eighty-Five Games of Their Six Chess Matches Studien Chapter 6 - White Castles

Chapter 6 - White Castles after 3

GAME 8 - P

They are especially effective with White and have not allowed a single loss in 27 years

Erevan 1986

Utterberg: De la Bourdonnais versus McDonnell, 1834: The Eighty-Five Games of Their Six Chess Matches Studien Chapter 6 - White CastlesThe meeting of Louis Charles Mahe de la Bourdonnais and Alexander McDonnell at London's Westminster Chess Club in 1834 was notable for a number of reasons. Hard earned reputations were zealously protected, and masters of equal standing had seldom faced each other on even terms. The chess world was watching closely, but it was the actions of spectator William Greenwood Walker, who recorded each move of the 85 games, that has had the greatest impact.