90m30s CHESS banner

90 30 Chess Tournaments

"90m30s.org" provides competition to internet chess players who like slow time controls,
on the premier place to play chess on the net, the Internet Chess Club  (ICC). 

Season 5 - started 19 September 2023

Entries for Season 5 are now open. For anyone who would like to join, please send ICC message to "fhunfi" with text
"Please add me to Individual Open Swiss system 90m+30s (Sep 19, 2023 - Nov 13, 2023)"

To see list of participants so far, for Season 5, click on "Participants" link on the left

The archive of past seasons (Season 1 to 4) is under the Archive menu on left sidebar


  • 90m30s.org is the club for players at ICC who would like to practice and feel the atmosphere of the Classical 90m+30s time control chess game.
  • We are affiliated with TEAM 45 45 team4545league.org (who also use ICC)
  • We will regularly organize an Individual Open Swiss system tournament, during the period of intermission (6 weeks) between the end of Rd-6 of the current Team 4545 season and the beginning of Rd-1 of the next Team 4545 season.
  • Date/ Time to play in each Round is : by negotiation between the two players (similar to Team 4545). ICC messaging is used for this.
  • The Tourney will be 4 rounds, with a time span of 2 weeks for each Round, so you will have 14 days to negotiate the date/time and play the game with your opponent in any particular Round.
  • Depending on the number of participants, we might have 1 Section only, or divide it into 2 Sections (or possible 3 Sections) based on Rating Category.
  • Considering that September 19th will be the end date of Round-6 of the current Team4545 season (T97) and November 7th will be the start date of Rd-1 of next Team4545 season (T98),
    Season 5 of 90m+30s will start on Sep 19, 2023 and will end on Nov 13, 2023.  
  • Schedule:
    Round 1 : Sep 19 - Oct 02
    Round 2 : Oct 03 - Oct 16
    Round 3 : Oct 17 - Oct 30
    Round 4 : Oct 31 - Nov 13
  • For anyone who would like to join, please send ICC message to "fhunfi" with text
    "Please add me to Individual Open Swiss system 90m+30s (Sep 19, 2023 - Nov 13, 2023)"
  • then we will add you to the list of participants & will send you further announcement after The pairing of Rd-1 is generated.
  • Upper Section Winner: Video Series
    https://store.chessclub.com/videos/prize-winner - $129.95 Value
  • Lower Section Winner: Video Series
    https://store.chessclub.com/videos/prize-winner - $129.95 Value

  • 1 winner in each section  (better Tie-Break score will be used if needed)
  • Anyone can ASK / REQUEST BYE in any round, and 0.5 points will be given ( for 1 time only).
    - For next ASK / REQUEST BYE, it is 0 point.
    - For ASK / REQUEST BYE in last round, it is 0 point.
  • It is very much Preferable & Suggested to ASK / REQUEST BYE before a new round pairing is generated, instead of a forfeit lose.
  • When pairings are odd, 1 point BYE will be given to a player selected by System.
  • Anyone can LATE_JOIN at Rd-2 and will be given a 0.5 starting point.
    For Rd-3 and Rd-4 LATE_JOIN there will be no 0.5 starting point given.
  • In a Classical 90m+30s chess game, both players start with 90 minutes each at the beginning of the chess game, and then, each time a player moves, that player gets an additional 30 seconds added on to their time (this is called an 'increment')
  • Note : In 90m+30s time control game, you must be ready to allocate 4 hours of time, assuming that both players use almost all their time, plus 30s increment.

Sponsors: Prizes donated by ICC