Not yet started: 0, Ongoing: 42, Adjudication pending: 0, Finished: 0

This event has been set up to test the "Unbalanced Openings" system, used by Top Chess Engine Championship (TCEC), with two sections of seven players rated over 2,500.

This event is organised by the Welsh Correspondence Chess Federation (WCCF) in collaboration with TCEC. We gratefully acknowledge the generous support received from TCEC, in particular the selection of openings used.

This is a server event.
The start date is 9/1/2025.
There is no end date.
ICCF standard time control 10 moves in 50 days with doubling after 20 days is used.
If a player exceeds allowed thinking time in any way, the player will automatically be scored with a loss. Under some circumstances all of the player’s games will subsequently be cancelled (if not already rated).
45 days of leave per year are available to each player.
There is no special leave in this event.
Linear conditionals can be entered.
This tournament allows claims based on the seven piece tablebase.
Draw offers are restricted to one offer per player every 10 moves (called the ten moves draw rule).
Ties are broken by the Baumbach tie breaking rule (see ICCF rule 1.3.4.2).
If needed, adjudicators will be selected by the server.
Other participants can see the games live after 0 games are finished in the event. Live transmission is delayed by 5 moves.
The public can see the games live after 0 games are finished in the event. Live transmission is delayed by 5 moves.
This event is organized by Lockwood, Austin.