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Shock result as Chesterfield defy the odds to beat Grimsby 0-1.
📝 Match Report
How It Unfolded
Chesterfield beat Grimsby 0-1 at Blundell Park, Regular Season - 16, in the League Two. 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 Grimsby 2.15 xG and Chesterfield 1.22 xG, a combined 3.37. The scoreboard read 0-1 for 1 actual goal. Grimsby fell 2.1 short of their projected output. Those figures were built on strength ratings of Grimsby attack 1.20 / defence 0.96 against Chesterfield attack 1.05 / defence 1.31, drawn from 61/61 games (CurrentSeason).
On the result, the model split it Grimsby 58% | Draw 20% | Chesterfield 21%, with Grimsby to win its most likely call at 58%. Instead the game produced a Chesterfield win, an outcome the model had rated at just 21% — a clear break from expectation and a genuine upset by the numbers.
Goals & Markets
The model rated Over 2.5 goals at 65%. The game delivered 1, so it stayed under — against the model's lean. Over 1.5 had been 85% and missed. Over 3.5 was 44% and did not. On both teams to score, the model sat at 62% and the match did not — a miss on BTTS. Historically the two sides average 57% Over 2.5 across their same-competition games (Grimsby 59%, Chesterfield 56%), a base rate that pointed the other way from today's under. Their combined BTTS history runs at 57%, which did not match the one-sided outcome.
Trading Patterns vs Reality
Grimsby's trading profile (61 games, 30 home) set some clear expectations: BTTS lands in 57% of their matches — today it did not.
Chesterfield's trading profile (61 games, 30 away) set some clear expectations: BTTS lands in 56% of their matches — today it did not.
Form vs Result
The form lines were close — Grimsby 1.52 PPG, Chesterfield 1.48 PPG — offering no strong steer, and the Chesterfield win broke the near-deadlock. Grimsby (home/away splits) managed 0 against a 1.50 scoring average — below par going forward. Chesterfield (home/away splits) conceded 0 against a 1.47 average — tighter than their form line.
Verdict
Grading the result against the stored data, 0 of 3 pre-match signals came in: result (miss), Over 2.5 (miss), BTTS (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.