 This was followed by a demolition job by Chelsea, who adapted to the new offside rule with a new 'W formation' – to devastating effects.The "Valiants" recovered quickly with another 3–0 win over Stoke – Kirkham scoring five of the six derby goals over the two matches.Following a poor display against Hull City, the Vale changed their defensive formation to better combat the new tactics used to exploit the new offside rule.