4NCL

The league is named after the four constituent nations: England, Scotland, Wales, and Ireland.

[a] The league is played over five weekends, typically at Midlands hotel venues starting in October/November and finishing on the early May bank holiday), and in the top two divisions teams consist of 8 players (at least one of whom must be female).

[1][2] The 4NCL is run independently as a limited company outside the control of any individual nation's chess governing bodies.

Some of the players to have played in the 4NCL inclide Michael Adams, Alexei Shirov, Maxime Vachier-Lagrave, Anish Giri, Nigel Short,[3] Viktor Korchnoi, Alexander Morozevich, and Peter Svidler.

This was held at the same time as the World Chess Championship 1993 match between Kasparov and Short at the Savoy Theatre, about 2 miles away.