Defending World Chess Champion Vishwanath Anand will face his challenger Boris Galfand of Israel in a crucial rapid tie-breaker in Moscow today. If he wins he will be crowned world champion for the 5th time. The two were level on scores at 6-6 after 12th game. Anand with his reputation of being one of the best rapid player ever holds an advantage but things have not exactly materialized the way he might have wanted his last match.In the rapid chess, Anand will have to score 2.5 points in the four games scheduled today. There will be 25 minutes to each player in this contest with a 10- second addition after every move is played. If the scores are still tied after these four games, there will be two more games with blitz chess rules.