The main goal of the speaker is to increase the difference between the number of points that they will earn and the number of points that the opponent will earn (it is this difference that directly affects the outcome of the fight).
The report must contain answers to all questions of the problem and full proof that they are correct. In particular, the speaker must prove each statement made by them or refer to it as well-known (in the latter case, if the jury agrees with the well-known fact - the speaker must provide a full definition of the statement at the request of the opponent, but should not prove it). The speaker must repeat, at the request of the opponent or the jury, any part of their solution.
Narrating time is limited to 15 minutes. The jury then decides whether to allow the speaker to speak further. At the end of 15 minutes, the opponent or the jury may ask the speaker to provide a final answer (if it occurs in this task), or ask the speaker to provide a solution plan. The speaker may carry the notes and use them during the report, but the jury has the right to prohibit them from using them if they consider that the speaker reads the decision from the notes. Any material that the speaker wishes to use must be brought to the board at the beginning of the round and demonstrated to the jury. However, in exceptional cases, the jury may allow the speaker to bring additional notes after a time-out by his team. Covid-19 regulations
: as this year's tournament will be held online, the format of the report will be changed: the speaker must have a photo of the abstracts and / or a file with them. For example, write the output of a certain formula on a piece of paper or in Word and demonstrate a graph / table / diagram built in Excel (or using other software). The participant is not obliged to show these materials to the jury before the beginning of their report.
If during their speech the speaker finds a mistake in their solution and knows how to correct it, they have the right to correct it without losing points, but it is necessary to clearly explain how this correction will affect the solution of the problem (for example, due to neglect of important the effect loss of a certain multiplier / term in the formulas, and this will increase / decrease the final result by an order of magnitude / within the measurement errors, etc.)
The speaker has the right to:
- Before the start of the report, put on the board all the necessary information: drawings, calculations, etc. (Covid-19 regulations: since this year's tournament will be held online, this rules is irrelevant)
- Do not answer the opponent's questions that are asked before the discussion.
- Refuse to answer a question, referring to the fact that they do not know the answer to it, or they have already answered it (explaining when and how), or that the question is not correct or does not correspond to the topic of discussion. If the opponent does not agree with the last two arguments, the arbitrator is the jury.
After each question or remark of the opponent or the jury, the speaker has a minute to think about the answer. If the speaker does not start answering in a minute, it is assumes that they cannot answer. This minute does not include minute breaks taken by the team of the speaker or opponent. If the questions or comments are close in content, the jury may limit the time the rapporteur has to consider the answers.
The end of the report should be clearly noted by the speaker by saying "the report is over". Within 10 seconds, the speaker and his team have the right to withdraw these words (the opponent is silent at this time). If this does not happen, the word is passed to the opponent. Covid-19 regulations
: as the tournament will be held online this year, 15 seconds will be allotted for recalling the words "the report is over."