Then followed by the actual "Iron Chef Battle", similar to Iron Chef Japan where the host will ask the Challenger Chef to select the Iron Chef he/she want to challenge. After the Challenger Chef has selected the Iron Chef the Chairman will reveal the "Secret Ingredient" and once the Chairman says "Allez Cuisine" the battle begins. The battle time is 60 minutes where they will need to complete at least 4 dishes. The order in which Chefs present to the Judges will be determined by a coin toss conducted by the Host. The last 30 minutes of the program is "Cooking with Iron Chef". Guests learn how to cook from the Iron Chef and win the "Best Student" at the end of the program. On May 9, 2012 Chaitep Pattarapornpaisarn resigned from Iron Chef Chinese cuisine and was replaced by Hing Chung Lai (Peter Lai). On June 27, 2012 "Signature Dish with a Special Ingredient" became Signature Dish with Special Tests Challenger by variety choice  On December 5, 2012 Three new Iron Chefs have been appointed. They are: Thanarak "Pom" Chuto (Contemporary Chinese); Thanunya "Gai" Wilkinson (Dessert) and Thanintorn "Noom" Chanthawan (Modern Cuisine: Italian Twist). The Vietnamese version was set to air from June 6, 2012 on VTV3. In this version there are only three Iron Chefs: David Thái, Long Chef and Yu Zhi Da. The ultimate winner would be a 2013 Iron Chef. There have been two adaptations of "Iron Chef" for Indonesian television. The first Indonesian adaptation of "Iron Chef" series, also known as "Allez Cuisine", which came from Chairman Kaga's catchphrase in the original series, was aired on Indosiar from March 1, 2003 until August 12, 2006. The Kitchen Stadium owner role was played by Derry Drajat, and the main commentator was Gunardjo, an Indonesian food expert. The show featured three Super Chefs or Iron Chefs. Episodes were 1 hour long. The show also featured a mini-game segment with 6 competitors featuring the main ingredient of the episode. The mini game segment usually lasts for 2 minutes. After the main cooking segment was finished, the Super Chef will give verdict on the results of the mini-game and declare the mini-game winner. The second "Iron Chef" series or known as "Iron Chef Indonesia" was aired on RCTI from April 22, 2017 until November 19, 2017.