Hikaru Nakamura

American grandmaster Hans Niemann, in the latest move in a scandal that has rocked the world of chess, filed a lawsuit on Thursday against Magnus Carlsen after the Norwegian world champion accused him of cheating.

Bulgaria's chess grandmaster Veselin Topalov retained the leadership position in the Grand Chess Tour and tops the current standing despite finishing seventh in the Sinquefield Cup.

Topalov is unchallenged at the top with 17 points, followed by Hikaru Nakamura from the US with 16 points and the Armenian Levon Aronian with 15 points.

The Bulgarian chess grandmaster Veselin Topalov recorded a second consecutive victory at the Sinquefield Cup, which is taking place in St. Louis.

Following his excellent start against the reigning world champion, in the second round Topalov defeated Hikaru Nakamura from the US.

The Bulgarian chess grandmaster Veselin Topalov defeated the reigning world champion Magnus Carlsen from Norway at the Sinquefield Cup, which is taking place in St. Louis.

In a match from the opening round of the tournament, Topalov defeated Carlsen, who retired at the 40th move.

Bulgaria's chess grandmaster Veselin Topalov retained his lead and moved closer to claiming the championship title at the Norway Chess Supertournament, which is taking place in Stavanger.

In the seventh round, which took place on Tuesday, Topalov drew the Italian Fabiano Caruana after 48 moves, adding another half a point to his score.

The Bulgarian chess grandmaster Veselin Topalov recorded his second victory at the Norway Chess Supertournament, which is taking place in Stavanger between June 15 and 26.

In the third round, Topalov, who played with the black pieces, defeated the French Maxime Vachier-Lagrave, forcing his opponent to retire after 28 moves.