White Howell, D., Black Nielsen, PH.,Ruy Lopez Opening: Morphy Defense, Exchange, Normal Variation,

White Howell, D., Black Nielsen, PH.,Ruy Lopez Opening: Morphy Defense, Exchange, Normal Variation, Event 5th NH Chess Tournament, Site Amsterdam NED, Date 2010.08.21, Round 9, White Howell, D., Black Nielsen, PH., Result 1-0, ECO C69, WhiteElo 2616, BlackElo 2700, PlyCount 49, EventDate 2010.08.12, EventRounds 10, EventCountry NED, Source Mark Crowther, SourceDate 2010.02.01

Видео White Howell, D., Black Nielsen, PH.,Ruy Lopez Opening: Morphy Defense, Exchange, Normal Variation, автора Серебряный мир животных