In Polish Junior Chess Championship (U-20), Urban won silver (1989) and bronze (1987) medals. Many times played in the Polish Chess Championship's finals. In a very successful debut in 1991 he won silver medal,[1] but in 1996 won gold medal.[2] In Polish Team Chess Championships, Urban won three medals: gold (1988) and two bronze (1998, 2001).[3] He was awarded the International Master title in 1991.
Urban played for Poland in Chess Olympiads:[4]
- In 1992, at second reserve board in the 30th Chess Olympiad in Manila (+3, =4, -0),
- In 1996, at second reserve board in the 32nd Chess Olympiad in Yerevan (+5, =5, -1),
- In 1998, at second reserve board in the 33rd Chess Olympiad in Elista (+2, =6, -0).
Urban played for Poland in European Team Chess Championship:[5]
- In 1992, at reserve board in the 10th European Team Chess Championship in Debrecen (+3, =3, -1),
- In 1997, at third board in the 11th European Team Chess Championship in Pula (+1, =5, -3).
