Perhaps you are "lucky" to face a case of ill will toward you as a Russian-speaking citizen of the former USSR, but you should not expect this. Still, something depends on you - friendly people everywhere meet a friendly response. Learn some of the most common words in Czech and actively use them when traveling in the Czech Republic - you will see that such a demonstration of respect for the Czechs will be rewarded with mutual respect for you.
In addition, so many Czechs of the middle and older generation are much more likely to recall not the Soviet tanks of 1968, but the warmth of interpersonal relations and the Russian language, which all the Czechs and Slovaks studied in the school, and which in a good way fell into the soul, and many also during the student years or internships in the Soviet Union. Young people, indeed, do not know Russian, and it is better to treat young people in English.
Czechs are measured, reserved and practical. They are negative about those who drink too much and then too loudly behave in the street. To such tourists the attitude will be negative regardless of nationality. Be respectful to the owners of the country, observe the rules of propriety.
When planning to visit forest areas in the summer months, consult a travel agency about the presence of ticks in the forest and, if there is a danger of meeting with them, take the necessary measures, up to preventive vaccination against tick-borne encephalitis.
Pay attention to the meaning of some Czech words, the misuse of which can lead to curiosities and misunderstandings - "cherstvy" in Czech means "fresh", "ravioli" - "products", "ovocet" - these are ours "Fruit", and "stench" - "perfume."
Natalia Dorovskaya