| Season | 1998 |
|---|---|
| Champions | Cobresal |
| Promoted | Cobresal O'Higgins Santiago Morning |
| Relegated | Deportes Colchagua |
| ← 1997–C 1999 → | |
The 1998 Primera B de Chile was the 48th completed season of the Primera B de Chile.
Cobresal was tournament’s champion and was promoted to 1999 Primera División de Chile alongside O'Higgins and Santiago Morning, which achieved the promotion in the Promotion Playoffs.
League table
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Cobresal | 30 | 19 | 8 | 3 | 79 | 22 | +57 | 65 |
| 2 | O'Higgins | 30 | 19 | 2 | 9 | 61 | 39 | +22 | 59 |
| 3 | Santiago Morning | 30 | 17 | 7 | 6 | 40 | 23 | +17 | 58 |
| 4 | Unión Española | 30 | 17 | 5 | 8 | 60 | 44 | +16 | 56 |
| 5 | Universidad de Concepción | 30 | 16 | 4 | 10 | 59 | 44 | +15 | 52 |
| 6 | Everton | 30 | 14 | 6 | 10 | 43 | 30 | +13 | 48 |
| 7 | Deportes Linares | 30 | 12 | 8 | 10 | 47 | 52 | −5 | 44 |
| 8 | Deportes Melipilla | 30 | 10 | 13 | 7 | 42 | 35 | +7 | 43 |
| 9 | Magallanes | 30 | 10 | 10 | 10 | 37 | 41 | −4 | 40 |
| 10 | Unión San Felipe | 30 | 11 | 2 | 17 | 40 | 65 | −25 | 35 |
| 11 | Deportes Ovalle | 30 | 8 | 10 | 12 | 39 | 44 | −5 | 34 |
| 12 | Deportes Antofagasta | 30 | 6 | 11 | 13 | 30 | 45 | −15 | 29 |
| 13 | Fernández Vial | 30 | 5 | 12 | 13 | 36 | 53 | −17 | 27 |
| 14 | Deportes Arica | 30 | 5 | 10 | 15 | 24 | 47 | −23 | 25 |
| 15 | Ñublense | 30 | 5 | 8 | 17 | 28 | 54 | −26 | 23 |
| 16 | Regional Atacama | 30 | 3 | 10 | 17 | 23 | 50 | −27 | 19 |
Promotion/relegation play-offs
Santiago Morning v Provincial Osorno| 19 December 1998 | Santiago Morning | 2 – 0 | Provincial Osorno | Santa Laura |
Nuñez  29'Avalos 78' (pen.) |
Referee: Eduardo Gamboa |
| 19 December 1998 | Unión Española | 1 – 6 | Coquimbo Unido | Santa Laura |
| Ibañez 2' |
de Gregorio 23' 32' Ortega Sánchez 45' 64'Caro 52'Cabello 55' |
Attendance: 8,978 Referee: Christian Lemus |
Provincial Osorno v Santiago Morning
| 22 December 1998 | Provincial Osorno | 1 – 1 | Santiago Morning | Parque Schott |
| Calabresse |
Gullace |
Referee: Pablo Pozo |
| 22 December 1998 | Coquimbo Unido | 1 – 3 | Unión Española | Francisco Sánchez Rumoroso |
| Ortega Sánchez |
Villán Gutiérrez |
References
- "El partido que reunió a las "viejas glorias" de Cobresal". Primerabchile.cl (in Spanish). 10 May 2018. Retrieved 7 September 2018.
- Provincial Osorno relegated, Santiago Morning promoted.
- Coquimbo Unido stayed in the first level, while Unión Española remained in the second level.