From 1976 to 1979 Henryk Dobosz appeared in the finals of Polish Chess Championship three times (all tournaments was swiss-system tournament). He achieved the best result in 1976 in Bydgoszcz, ranked in 4th place.[1] In Polish Team Chess Championship with chess clubs KS Kolejarz Katowice and MKS Start Lublin he won nine medals: gold (1971), 5 silver (1970, 1974, 1982, 1988, 1989) and 3 bronze (1972, 1973, 1987).[2] In 1985, Henryk Dobosz won silver medal in the Polish Blitz Chess Championship.[3] In 1988, he won silver medal in the Polish Rapid Chess Championship.[4]
Henryk Dobosz played for Poland in the World Student Team Chess Championship:[5]
- In 1976, at fourth board in the 21st World Student Team Chess Championship in Caracas (+4, =0, -3).
Henryk Dobosz has participated in national and international chess tournaments many times, achieving successes in:
- 1978 – Słupsk – shared 2nd-3rd place, Rzeszów – ranked 1st place;
- 1981 – Prague – shared 3rd-4th place;
- 1983 – Sopot – shared 1st-2nd place;
- 1995 – Biel (Credis Open) – ranked 1st place;
- 1997 – Götzis – shared 1st-3rd place, Leipzig - shared 2nd-4th place;
- 1998 – Görlitz – ranked 1st place;
- 1999 – Görlitz – shared 2nd-4th place;
- 2002 – Freudenstadt – ranked 1st place;
- 2003 – Triesen – shared 2nd-7th place;
- 2005 – Görlitz – shared 1st-3rd place;
- 2006 – Buchen – ranked 2nd place.
Henryk Dobosz achieved the highest rating in his career on July 1, 2003, with a score of 2465 points, he was ranked 17th among Polish chess players.[6]
