This weekend's meeting between Wales and Scotland at the Millennium Stadium is the 115th cap match between the sides since 1883.
Wales lead by 63 wins to 48 and the matches of 1885 (at Glasgow), 1922 (at Inverleith in Edinburgh) and 2001 (at Murrayfield) were drawn. Wales have won six of the last seven matches, including a World Cup warm-up game at Cardiff in 2003 and lasy year's meeting at Murrayfield.
Although Scotland won by four goals and eight tries to nil in 1887, that result was before scoring by points was introduced. Their 35-10 result at Inverleith in 1924 is the biggest win and their highest score of the series.
Wales set the record for the highest score in their best win of the series at Murrayfield in the 2005 Grand Slam season. They won 46-22.
Neil Jenkins made the highest individual contribution to a match in the series, collecting 23 points at Murrayfield in 2001. Chris Paterson scored 21 (all penalties) for Scotland at Murrayfield in 2007.
The only player who has finished a match in this series with a full house of scoring actions to his name is Craig Chalmers. He scorred a try, conversion, penalty goal and dropped goal for Scotland at Murrayfield in 1991.
George Lindsay's five tries for Scotland in the 1887 match is a tally that still stands as the record for any game in the International Championship. Reggie Gibbs recorded the only try hat-trick for Wales, at Inverleith in 1911.
Chris Paterson heads the overall scorers in the matches. He has collected 99 points to date. Stephen Jones is the leading overall scorer for Wales with 95 points, just more than Neil Jenkins scored against Scotland.
Billy Trew (in the early 1900s) and JPR Williams (from 1969 to 1981) each played in a dozen matches for Wales, the series record. The corresponding record for Scotland is shared between Jim Renwick and Scott Hastings, who each played 12 times.
Wales-Scotland results in the Six Nations:
2000 Wales 26-18 (Cardiff)
2001 Drawn 28-28 (Murrayfield)
2002 Scotland 27-22 (Cardiff)
2003 Scotland 30-22 (Murrayfield)
2004 Wales 23-10 (Cardiff)
2005 Wales 46-22 (Murrayfield)
2006 Wales 28-18 (Cardiff)
2007 Scotland 21-9 (Murrayfield)
2008 Wales 30-15 (Cardiff)
2009 Wales 26-13 (Murrayfield)
John Griffiths is a widely respected rugby historian and is the author of several sports books, including The Book of English International Rugby, The Book of International Rugby Records, British Lions, The Five Nations Championship, Rugby's Strangest Matches and Rugby's Greatest Characters. He was a regular contributor to the Daily Telegraph for 19 years and is co-author of the IRB International Rugby Yearbook. He has also provided insight for Scrum.com since 1999.