The annual Tradewise Gibraltar Chess Festival, set in an unusual subtropical setting, is establishing itself as a major tournament. The 2013 affair had more than 400 entries in six sections. Vassily Ivanchuk, Gata Kamsky and Michael Adams were the top seeds. Here is a  fairly short but choice win by a Chinese grandmaster Yangyi Yu, 18,  as White, against former American women’s champion Anna Zatonskih, who finds that castling by hand is dangerous.