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Portsmouth cruise to a comfortable 1-3 victory over Millwall.
📝 Match Report
How It Unfolded
Portsmouth beat Millwall 1-3 at The Den, Regular Season - 33, in the Championship. The remainder of the report sets that outcome against the pre-match model, the markets and the teams' data profiles.
The Model vs The Result
The Poisson model went into this projecting Millwall 1.67 xG and Portsmouth 0.89 xG, a combined 2.55. The scoreboard read 1-3 for 4 actual goals. Portsmouth outscored their 0.89 projection by 2.1. Those figures were built on strength ratings of Millwall attack 1.08 / defence 0.92 against Portsmouth attack 0.82 / defence 1.20, drawn from 78/77 games (CurrentSeason).
On the result, the model split it Millwall 55% | Draw 26% | Portsmouth 19%, with Millwall to win its most likely call at 55%. Instead the game produced a Portsmouth win, an outcome the model had rated at just 19% — a clear break from expectation and a genuine upset by the numbers.
Goals & Markets
The model rated Over 2.5 goals at 47%. The game delivered 4, so it went over — against the model's lean. Over 1.5 had been 73% and landed. Over 3.5 was 25% and came in. On both teams to score, the model sat at 49% and the match saw both sides score — a miss on BTTS. Historically the two sides average 45% Over 2.5 across their same-competition games (Millwall 36%, Portsmouth 53%), a base rate that pointed the other way from today's over. Their combined BTTS history runs at 49%, which did not match the both-scored outcome.
Trading Patterns vs Reality
Millwall's trading profile (77 games, 38 home) set some clear expectations: BTTS lands in 44% of their matches — today it did; they keep a clean sheet 36% of the time, and conceded here.
Portsmouth's trading profile (77 games, 38 away) set some clear expectations: BTTS lands in 53% of their matches — today it did.
Form vs Result
On form, Millwall arrived the stronger side — 1.58 PPG against 1.17. Form was overturned, with Portsmouth winning despite arriving in poorer recent shape. Millwall (home/away splits) shipped 3 against a 0.89 concession average — a leakier day than usual. Portsmouth (home/away splits) scored 3 against a 0.97 average — above their attacking norm and conceded 1 against a 1.95 average — tighter than their form line.
Verdict
Grading the result against the stored data, 0 of 4 pre-match signals came in: result (miss), Over 2.5 (miss), BTTS (miss), form (miss). This one broke away from the data — most of the pre-match signals were overturned by how the ninety minutes actually played out.
💡 Key Insights
⚠️ This match report is generated algorithmically from the final score, our prediction model, and each team's historical form and trading data. Analysis is for informational purposes only.