Six Nations Rugby Codexery — Data & Quality

We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.

Last full accuracy audit: 2026-08-28 · 26 entries checked · 23 flagged · 83 issues confirmed · 15 corrected · 68 still open

Recent findings (audit lane, verbatim)

Murrayfield Stadium — The entry states the stadium 'officially opened later in 1925, having first hosted matches on 2 January 1925 and 7 February 1925.' However, the first match at Murrayfield was actually on 21 March 1925 (Scotland vs England), not on 2 January or 7 February 1925.

Murrayfield Stadium — The entry states 'The East stand was built in 1983.' The East Stand at Murrayfield was actually built in 1982, not 1983.

Twickenham Stadium — Twickenham is the third largest stadium in Europe behind Camp Nou and Stade de France, but this is outdated or incorrect; as of current known facts, Twickenham's capacity (82,000) is larger than Stade de France (approx. 80,000), making it the second largest in

Twickenham Stadium — [contradicted] second largest in Europe behind Camp Nou, having overtaken Stade de France in capacity :: The source states Twickenham is 'the fourth largest in Europe'

Thomond Park — The capacity reduction to 25,100 in October 2025 is a future date that has not occurred yet; as of the current canon, no such reduction has been officially confirmed.

Thomond Park — [contradicted] The capacity was increased to 26,500 ahead of the 2022–23 season :: The source states the capacity was expanded to 26,500 for the first time when Munster played Northampton Saints in the Heineken Cup on 12 November 2022, and was reduced to 25,10

Five Nations Championship — Wales holds the record for the most Grand Slams won during the Five Nations era, with 12, while England has 11. — Correction: During the Five Nations era (1910–1999, excluding 2000 which was the final Five Nations but is often counted separately), Wales won 10

Five Nations Championship — [contradicted] France was excluded after World War I and did not return permanently until 1947 :: The source states France was excluded from the 1931 Five Nations and returned in 1947, but does not mention exclusion after World War I; the source says France pl

Six Nations Championship — The 'most_titles_holder' claim that England and Wales are tied is incorrect; England has 29 titles, Wales has 28.

Six Nations Championship — The 'DID YOU KNOW' section states a Grand Slam is winning all five matches, which is only true for the Six Nations era, not for earlier formats.

Centenary Quaich — The entry states that Scotland held the trophy for the first ten years, but this is factually incorrect because Scotland did not win every year from 1989 to 1998; Ireland won in 1990 and 1991, and there were draws in 1994 and 1998.

Centenary Quaich — The entry claims Ireland have won 19 out of 26 contests from 2000 onwards, but as of 2025 there have been 27 matches (including 2025), so the win/draw totals need recalculation.

Jonny Wilkinson — The entry states Wilkinson won 2 Six Nations Grand Slams (2000, 2003), but England did not win the Grand Slam in 2000; the correct Grand Slams for Wilkinson are 2002 and 2003.

Jonny Wilkinson — [contradicted] England won the 2001 Six Nations Championship :: England finished second in the Six Nations Championship

Paul O'Connell — O'Connell did not start the 2002 Heineken Cup Final; he was an unused substitute.

Paul O'Connell — O'Connell made his Ireland debut against Wales on 17 February 2002, but he did not start; he came on as a replacement and scored a try.

Open data

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Corrections

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