假如你是李华，你的美国网友Peter参加中国象棋网络挑战赛获得了一等奖。请根据以下提示写一封英文电子邮件向他表示祝贺。
1) 祝贺他获奖;
2) 肯定他付出的努力;
3) 询问何时方便，在网上切磋棋艺。
注意：
1)词数100左右;
2)可以适当增加细节，以使行文连贯;
3)开头和结尾已为你写好。
Dear Peter,
I am writing to offer my sincere congratulations
Congratulations again.
Yours,
Li Hua
【参考范文】
Dear Peter,
I am writing to offer my sincere congratulations to you on your winning the first prize in the Chinese Chess Network Challenge. As your friend, I just want you to know how glad I am at your success.
“Everything comes to him who waits.” For these years, you’ve shown GREat interest in Chinese chess and kept on practicing it every day. Not only have you read many books about Chinese chess strategy, but also you have competed in all kinds of Chinses chess contests. Finally, you succeeded in wining the online competition!
So I’m so happy that you become champion of this network challenge. At last, I hope to play Chinese chess with you so that we can make proGREss together. Please tell me when you have time.
Congratulations again.