Football World / Development tooling

MatchEngine Laboratory

Inspect the inputs. Run a match. Replay the exact outcome.

Home · 4-3-3

Arsenal

90.7

Overall diagnostic rating

Population quality input: 84

Full time

4 – 0

Away · 4-3-3

Hull City

64.0

Overall diagnostic rating

Population quality input: 61

Match seed: 12345 Population seed: 2026 Population: fw005-v1 Engine: fw003-v1 Replay this exact match

20 temporary calibration club labels · Fictional players · Fixed quality priors, not live squad ratings

Home club Away club

Match seed Population seed

Controls use the selected clubs and entered seeds. Another match changes only the match seed. Random fixture changes only clubs and home/away ordering. Regeneration changes only the population seed. Copy the resulting URL to keep a replay.

Match statistics

Statistic	Home	Away
Possession	68.33%	31.67%
Opportunities	54	13
Shots	32	7
Shots on target	13	2
Significant chances	13	2

Goal events

24′ Theo Vale
Arsenal
30′ Theo Vale
Arsenal
34′ Leo Vale
Arsenal
83′ Theo Vale
Arsenal

Home · 4-3-3 · Selected XI

Arsenal 90.7

Control: 89.48
Attack: 87.55
Defence: 87.44
Goalkeeping: 98.45

Average positional familiarity: 100.0%. Components are the engine’s pre-match values, before home advantage. Scroll the XI sideways on smaller screens.

Player	Position	Familiarity	Technical	Attacking	Defending	Physical	Mental	Goalkeeping
Hugo Vale	GK	100%	62	49	64	87	94	100
Jonah Vale	LB	100%	84	62	89	83	90	27
Finn Vale	CB	100%	87	56	99	90	84	24
Isaac Vale	CB	100%	86	66	93	97	76	31
Milo Vale	RB	100%	83	58	95	81	79	21
Felix Vale	CM	100%	98	78	77	79	90	36
Noah Vale	CM	100%	86	92	89	92	93	31
Leo Vale	CM	100%	98	79	80	91	96	32
Theo Vale	LW	100%	97	89	64	80	91	33
Ellis Vale	ST	100%	92	97	64	86	86	35
Oscar Vale	RW	100%	89	90	62	77	85	28

Away · 4-3-3 · Selected XI

Hull City 64.0

Control: 62.73
Attack: 64.68
Defence: 63.58
Goalkeeping: 64.85

Average positional familiarity: 100.0%. Components are the engine’s pre-match values, before home advantage. Scroll the XI sideways on smaller screens.

Player	Position	Familiarity	Technical	Attacking	Defending	Physical	Mental	Goalkeeping
Finn Hartley	GK	100%	40	28	54	57	56	67
Oscar Hartley	LB	100%	62	48	76	58	62	1
Ellis Hartley	CB	100%	49	43	65	69	69	7
Leo Hartley	CB	100%	61	42	70	61	56	1
Theo Hartley	RB	100%	56	42	69	63	62	5
Rory Hartley	CM	100%	63	56	63	58	67	12
Jonah Hartley	CM	100%	71	65	53	57	65	2
Felix Hartley	CM	100%	64	53	60	62	64	11
Hugo Hartley	LW	100%	67	75	42	53	68	10
Noah Hartley	ST	100%	62	75	39	69	53	10
Isaac Hartley	RW	100%	65	78	31	68	56	1

What does the overall rating mean?

The rating is the equal average of control, attack, defence and goalkeeping, rounded to one decimal and limited to 1–100. These components already reflect the selected players’ attributes, positions and familiarity.

It is explanatory only: it is not a win probability and is never passed into MatchEngine. There is no club reputation component. A higher rating does not guarantee victory.

Population quality is the fixed input used to generate fictional attributes; the diagnostic rating summarizes those attributes; the result is stochastic output. Engine fw003-v1 is unchanged. Batch analysis and historical-data calibration are later tasks.

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