Marco Silva may not last much longer as Everton manager but if he does leave in the near future, at least he will have planted a seed in the minds of the rest of the Premier League.
Before Sunday's game at the King Power Stadium, few teams appeared to have any solid idea of how to slow the Leicester juggernaut.
Apart from Liverpool, Brendan Rodgers' team have been the best side in the division this season, tearing teams apart with their relentless pressing, assertive defending and devastating combinations in attack.
Marco Silva's blueprint on how to stop Leicester may have the rest of the division taking note
What chance did Everton, with only four wins all season, have of stopping them? The answer was an ultra-defensive 5-4-1 formation, with the plan to sit deep, flood midfield, double up on Leicester's flying full-backs and – when the opportunity came – use the pace of Richarlison and Dominic Calvert-Lewin on the break. For 68 minutes, it worked.
Richarlison's excellent goal – a diving header to finish a four-man move he started – put Everton in front and when the sides broke for half-time, Everton goalkeeper Jordan Pickford had not had a serious save to make.
Leicester were frustrated, with passes going astray and Ben Chilwell lucky not to be booked for tumbling inside the box even though Mason Holgate had not touched him.
Silva set up his Everton side in an ultra-defensive formation, with the plan to sit deep and break
It appeared to be working with the visitors taking a first-half lead through forward Richarlison
The penalty was originally awarded by referee Graham Scott, who correctly overturned it on the advice of VAR.
Everton might even have doubled their lead in stoppage time, only to be denied by a vital block from Jonny Evans.
Rodgers has rarely been asked questions like this during the season and this time, he was force to turn to Kelechi Iheanacho, who has not