| Season | 2018 | 
|---|---|
| Dates | 2 February – 1 December 2018 | 
| Champions | Coquimbo Unido (3rd title) | 
| Promoted |  Coquimbo Unido  Cobresal  | 
| Relegated | San Marcos de Arica | 
| Matches played | 248 | 
| Goals scored | 620 (2.5 per match) | 
| Top goalscorer |  Rodrigo Holgado  (18 goals)  | 
| Biggest home win |  Cobreloa 6–0 Melipilla  (12 August)  | 
| Biggest away win |  Deportes Valdivia 0–4 S. Wanderers  (11 November)  | 
| Highest scoring |  San Marcos 2–5 Copiapó  (17 February) Copiapó 4–3 S. Wanderers (18 March) U. San Felipe 4–3 Coquimbo Unido (6 October)  | 
← 2017   2019 →   | |
The 2018 Primera B de Chile , known as the 2018 Campeonato Loto for sponsorship purposes, was the 65th season of Chile's second-tier football league. The competition began on 2 February 2018 and ended on 1 December 2018. [1] Coquimbo Unido were the champions.
The tournament was played by 16 teams which played each other twice (once at home and once away), for a total of 30 matches. The team that finished in first place at the end of the round-robin tournament earned promotion to the Campeonato Nacional for the 2019 season. Meanwhile, the teams finishing from second to sixth place played in a playoff tournament for the second promotion berth, with the season runners-up having a bye to the final. The team finishing in bottom place at the end of the season was relegated to the Segunda División Profesional. [2]
| Club | City | Stadium | Capacity | 
|---|---|---|---|
| Barnechea | Santiago (Lo Barnechea) | Municipal de Lo Barnechea | 3,000 | 
| Cobreloa | Calama | Zorros del Desierto | 12,346 | 
| Cobresal | El Salvador | El Cobre | 12,000 | 
| Coquimbo Unido | Coquimbo | Municipal Francisco Sánchez Rumoroso | 18,750 | 
| Deportes Copiapó | Copiapó | Luis Valenzuela Hermosilla | 8,000 | 
| Deportes La Serena | La Serena | La Portada | 18,243 | 
| Deportes Melipilla | Melipilla | Municipal Roberto Bravo Santibáñez | 6,000 | 
| Deportes Puerto Montt | Puerto Montt | Chinquihue | 10,000 | 
| Deportes Valdivia | Valdivia | Parque Municipal | 5,397 | 
| Magallanes | Santiago (San Bernardo) | Municipal de San Bernardo | 3,500 | 
| Ñublense | Chillán | Municipal Nelson Oyarzún Arenas | 12,000 | 
| Rangers | Talca | Fiscal de Talca | 8,200 | 
| San Marcos de Arica | Arica | Carlos Dittborn | 9,746 | 
| Santiago Morning | Santiago (La Pintana) | Municipal de La Pintana | 6,000 | 
| Santiago Wanderers | Valparaíso | Elías Figueroa Brander | 20,575 | 
| Unión San Felipe | San Felipe | Municipal de San Felipe | 12,000 | 
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | 
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Coquimbo Unido (C, P) | 30 | 17 | 6 | 7 | 47 | 31 | +16 | 57 | Promotion to Primera División | 
| 2 | Cobreloa | 30 | 15 | 7 | 8 | 43 | 31 | +12 | 52 | Qualification to Promotion playoff finals | 
| 3 | Cobresal (P) | 30 | 15 | 6 | 9 | 44 | 30 | +14 | 51 | Qualification to Promotion playoff quarterfinals | 
| 4 | Deportes Valdivia | 30 | 13 | 8 | 9 | 45 | 37 | +8 | 47 | |
| 5 | Santiago Wanderers | 30 | 14 | 4 | 12 | 41 | 43 | −2 | 46 | |
| 6 | Santiago Morning | 30 | 13 | 6 | 11 | 34 | 36 | −2 | 45 | |
| 7 | Unión San Felipe | 30 | 12 | 6 | 12 | 32 | 28 | +4 | 42 | |
| 8 | Rangers | 30 | 11 | 7 | 12 | 33 | 34 | −1 | 40 | |
| 9 | Barnechea | 30 | 10 | 9 | 11 | 38 | 38 | 0 | 39 | |
| 10 | Deportes Melipilla | 30 | 10 | 9 | 11 | 39 | 41 | −2 | 39 | |
| 11 | Deportes Puerto Montt | 30 | 10 | 5 | 15 | 31 | 33 | −2 | 35 | |
| 12 | Deportes La Serena | 30 | 8 | 11 | 11 | 37 | 41 | −4 | 35 | |
| 13 | Magallanes | 30 | 8 | 10 | 12 | 37 | 41 | −4 | 34 | |
| 14 | Deportes Copiapó | 30 | 9 | 7 | 14 | 36 | 44 | −8 | 34 | |
| 15 | Ñublense | 30 | 8 | 9 | 13 | 27 | 35 | −8 | 33 | |
| 16 | San Marcos de Arica (R) | 30 | 8 | 8 | 14 | 28 | 49 | −21 | 32 | Relegation to Segunda División Profesional | 
| Quarterfinals | Semifinals | Finals | |||||||||||||||||
| 5 | Santiago Wanderers | 2 | 4 | 6 | |||||||||||||||
| 3 | Cobresal | 2 | 2 | 4 | |||||||||||||||
| 4 | Deportes Valdivia | 1 | 0 | 1 | |||||||||||||||
| 5 | Santiago Wanderers | 2 | 1 | 3 | 2 | Cobreloa | 1 | 2 | 3 | ||||||||||
| 3 | Cobresal | 0 | 4 | 4 | |||||||||||||||
| 6 | Santiago Morning | 1 | 2 | 3 | |||||||||||||||
| 3 | Cobresal | 4 | 0 | 4 | |||||||||||||||
| Santiago Wanderers | 2–1 | Deportes Valdivia | 
|---|---|---|
  | Report | 
  | 
| Santiago Morning | 1–4 | Cobresal | 
|---|---|---|
  | Report | 
Santiago Wanderers won 6–1 on aggregate.
Cobresal won 4–3 on aggregate.
Cobresal won 4–3 on aggregate.
Cobresal won 4–3 on aggregate and earned promotion to the Primera División.
Source: Soccerway