Polish-Hungarian friendship chess championship was held on the week-end of 5-6 May 2018. The 600 players from ten countries participated in 6th edition chess event. 9-round Rapid Swiss open took place in the International Congress Center in Katowice city in Poland.
The 2018 Romanian Championship was a 9-round Swiss tournament which took place from 14-22 May in Băile Olănești.
53 players took part in the tournament.
The tournament starts with blitz chess matches on May 27th and the last round is June 7th. The 6 first rounds are played at Clarion Hotel Energy before the last 3 rounds, 5th-7th. June is played at Stavanger Concert Hall.
The 3rd Kolkata International Grandmaster Open Chess Tournament was held from 14 to 22 May in Kolkata.
Venue was The New Town School. Tournament was organised by Dibyendu Barua and Allsport Foundation.
200 players took part in the tournament.
The 36th edition of the Mitropa Cup is being held in Isola Capo Rizzuto, Italy, from May 30th to June 9th.
The traditional team event this year brings together 10 nations competing against each other in an Open and a Women section on 4 boards each.