Willem II vs Heerenveen – Match Report

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Shock result as Heerenveen defy the odds to beat Willem II 1-2.

📝 Match Report

How It Unfolded

Heerenveen beat Willem II 1-2 at Koning Willem II Stadion, Regular Season - 15, in the Eredivisie. 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 Willem II 1.76 xG and Heerenveen 0.79 xG, a combined 2.55. The scoreboard read 1-2 for 3 actual goals. Heerenveen outscored their 0.79 projection by 1.2. Those figures were built on strength ratings of Willem II attack 0.71 / defence 0.98 against Heerenveen attack 0.63 / defence 1.46, drawn from 14/48 games (CurrentSeason).

On the result, the model split it Willem II 61% | Draw 23% | Heerenveen 16%, with Willem II to win its most likely call at 61%. Instead the game produced a Heerenveen win, an outcome the model had rated at just 16% — 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 3, so it went over — against the model's lean. Over 1.5 had been 72% and landed. On both teams to score, the model sat at 45% and the match saw both sides score — a miss on BTTS. Historically the two sides average 56% Over 2.5 across their same-competition games (Willem II 48%, Heerenveen 65%), a base rate that agreed with today's over. Their combined BTTS history runs at 55%, which matched the both-scored outcome.

Trading Patterns vs Reality

Willem II's trading profile (48 games, 24 home) set some clear expectations: BTTS lands in 58% of their matches — today it did.

Heerenveen's trading profile (48 games, 24 away) set some clear expectations: BTTS lands in 52% of their matches — today it did.

Form vs Result

On form, Willem II arrived the stronger side — 1.88 PPG against 1.08. Form was overturned, with Heerenveen winning despite arriving in poorer recent shape. Willem II (home/away splits) managed 1 against a 2.08 scoring average — below par going forward and shipped 2 against a 1.00 concession average — a leakier day than usual. Heerenveen (home/away splits) scored 2 against a 1.04 average — above their attacking norm and conceded 1 against a 2.38 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