Christiansen Larry Mark (27.06.1956)

American Grandmaster (1977). Chess coach. US Champion in 1980, 1983, and 2002. US Junior champion in 1973, 1974 and 1975. Siver medal at the World Junior in 1975.

Best results: Lone Pine 1976, 2nd; Torremolinos 1977, 1st; Linares 1979, 1st; Prague 1979, 1st; Pasadena 1983, 1st: New York Open 1985, 1st: Sommerset 1986, 1st; World Open 1-2nd 1989, Long Beach Open 1989, 1st; Eupen Rapid 1997, 1st; Reykjavik 1998, 1st; Merida 1998, 1st; Essen 1999, Canadian Open 2001, 1st; 1-2nd; , Curacao Open 2008, 1st; Bermuda Open 2011, 1st.

Peak rating: 2625 in 1992. A participant in 9 Olympiads.
Author of:  Storming the Barricades, Dutch Defense (1979), Rocking the Ramparts (2004).