Cobreloa secured a 2-0 victory over Antofagasta in the Primera B Regular Season - 10 at Estadio Zorros del Desierto, a result that aligned closely with the pre-match expectations of the Lemeister model, which had projected a 2-1 home win with a 38% probability. The data underscores a contest decided by C. Insaurralde's early penalty and M. Sandoval's second-half strike, underpinned by disciplined defending that limited the visitors to few clear opportunities.
The home side struck within the first three minutes. C. Insaurralde converted a penalty to give Cobreloa an immediate advantage, a goal that did not require an assist according to the match data. This early breakthrough set the tone, forcing Antofagasta to chase the game from the outset. The match remained tightly contested through the first hour, with Antofagasta's F. Manzano receiving a yellow card in the 33rd minute before Cobreloa's M. Sandoval was also booked four minutes later. J. Gatica and F. Velazco later joined Sandoval on the referee's list for the home side, with S. Zuniga adding a fifth Cobreloa yellow card late in the match.
The decisive second goal arrived on the hour mark. M. Sandoval scored a normal goal in the 60th minute to double Cobreloa's lead, effectively ending Antofagasta's hopes of a comeback. The goal came without a recorded assist, highlighting a moment of individual execution that broke the visitors' resistance. The remaining half-hour saw Cobreloa manage the game effectively, conceding no further goals and absorbing pressure while making three substitutions to Antofagasta's four.
The statistical picture from the match emphasises Cobreloa's control, though detailed shot and possession data were not provided in the match facts. The home team's defensive solidity is reflected in the clean sheet, achieved despite receiving four yellow cards in addition to the earlier booking for Sandoval. Antofagasta, by contrast, collected only one caution, suggesting a disciplined but ultimately ineffective approach. The absence of any recorded goals, shots or expected goals figures in the data means the analytical focus falls squarely on the timing of the strikes and the card count.
Standout performers were central to the result, as indicated by the goal contributions. C. Insaurralde's penalty in the opening minutes set the platform for victory, while M. Sandoval's goal and his yellow card showed a player both decisive and committed. The remaining named players, J. Gatica, F. Velazco and S. Zuniga, each received bookings, underlining a determined but sometimes reckless defensive effort from Cobreloa. No player ratings were available in the supplied data to differentiate individual displays further.
The victory moves Cobreloa forward in their Regular Season campaign, taking maximum points in front of their home support. For Antofagasta, the result represents a setback, having failed to score despite a relatively clean disciplinary record. The Lemeister model's pre-match projection of a 2-1 home win proved nearly accurate, slightly overestimating the visitors' ability to find the net. This result strengthens Cobreloa's standing in the Primera B table as the season approaches its mid-point, while Antofagasta will need to address their attacking output in subsequent fixtures.