1. Are you fond of chess?
你喜欢下棋吗？
还能这样说：
Are you keen on playing chess?
Do you often play chess?
应用解析：
have a game of chess 下一盘象棋；
chess tournament 象棋比赛；
play (at) chess 下象棋
2. I am interested in playing chess.
我对下棋很感兴趣。
还能这样说：
I am fond of playing chess.
I am a master in chess.
应用解析：
have no interest in 对……不感兴趣；
show interest in 对……有兴趣；
hold sb.'s interest 引起某人的兴趣；
interested motives 不纯的动机
3. In chess, cool nerves are essential.
下棋特别需要头脑冷静。
还能这样说：
You should keep a cool head when you play chess.
Playing chess requires a cool head.
应用解析：
keep cool 保持凉爽；保持冷静；
leave sb. cool 不能引起兴趣；
cool down 凉快起来；渐渐冷却；使冷静；
a cool head 冷静的头脑
4. It was my first win since I began to learn to play chess.
自从我学下国际象棋以来，这是我第一次赢。
还能这样说：
I won the game for the first time after I learned to play chess.
I first got the win since I learned to play chess.
应用解析：
win against sb. 胜某人一局
have three wins and no defeats 三战全胜；
win by chance 偶然获胜；
win out 最终获得成功；
win over 说服；
win round 争取过来