In earlier years Worcestershire was combined with Shropshire for a 'Mercia' Megafinal. Mercia was of course the Anglo-Saxon Kingdom made great by Offa. It stretched well beyond the Midlands. At its greatrest extent it included London and included the rivers Mersey and Humber.

In 2005 the 'Mercian' Megafinal over a hundred children battled it out over 6 rounds gaining points for their county and school as well as for themselves.

Nunnery Wood High School, Worcester were placed second on 34½, beating Adam's Grammar School, Newport, Shropshire on 31½. Twenty nine schools from Shropshire, South Birmingham and Worcestershire had players at the tournament. Other leading schools were: Holmer Lake Primary School, Telford 4th; Heathfield School, Kidderminster 5th; Castle House School, Newport 6th; Walkwood Middle School, Redditch and St Laurence C of E Primary School, Ludlow joint 7th; Bartley Green Technology College 9th; and Old Hall School, Telford 10th. In terms of the two counties Shropshire and Worcestershire and using the old boundaries of Worcestershire before the expansion of Birmingham, Worcestershire were convincing winners with 216 points to Shropshire's 167.

In the individual competitions, the Supremas, girls champions, were: Alice Baker (under-8, St Laurence Primary C of E, Ludlow, Shropshire); Philomena Lip (under-9 (Castle House School, Newport, Shropshire); Katherine Lovejoy (under-10 Adam's Grammar School, Newport, Shropshire); Natasha Wilkinson (under-11 Holmer Lake Primary School, Telford, Shropshire) and Antonia Reed (under-13 Holy Trinity School, Kidderminster, Worcestershire). The boy Supremos were: William Dorrell (under-7 Kings Hawford School, Worcester); Matthew Mellor (under-8 Ladygrove Primary School, Telford, Shropshire); Hugh Harris (under-9 Malvern Parish C of E Primary School, Worcestershire); Henry Graham (under-10 Prestfield School, Shrewsbury); Peter Mellor (under-11 Ladygrove Primary School, Telford, Shropshire); Joseph Mellor (under-12 Codden School, Telford, Shropshire); Aled Walker (under-13 King Edward VI School, Camp Hill, Kings Heath, Birmingham); Alex Taylor (under-14 Adam's Grammar School, Newport, Shropshire); Christopher Lewis (under-15 Adam's Grammar School, Newport, Shropshire); Matthew Whiting (under-16 Nunnery Wood High School, Worcester); Paul Wright (under-17 Adam's Grammar School, Newport, Shropshire). All Supremas and Supremos will have invitations to a Gigafinal held at Manchester on the weekend of 16-17 July.

Other players getting 4 points or over and qualifying for the Gigafinal were: Dominic Beesley (Kings Hawford School, Worcester), Peter Brankin (Worcester Chess Academy), Luke Edwards (Phoenix School, Telford, Shropshire), Chris Lovejoy (Adam's Grammar School, Newport, Shropshire) in the under-12 section; Maxwell Baulf (Adam's Grammar School, Newport, Shropshire), Nathan Hodson (Nunnery Wood High School, Worcester), Craig Bryan (Walkwood Middle School, Redditch, Worcestershire), Ben Jones (Nunnery Wood High School, Worcester) in the under-13 section; and Adam Field (Nunnery Wood High School, Worcester) in the under-14 section.

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