Every tournament needs its rules. To perform well in this tournament we severely recommend to read the rules properly. Keep in mind that the tournament language will be English.
Click here for the full rules: Official Rules
For the more specific PlayRules see here
In the GPT we will use the same rules as in the IPT. The only difference is the number of playable problems which is reduced from 17 to 12 while the number of tactical rejections is increased to 4.
To help you understand the rules better the IPT 2016 final is shown here.