Playlichess.org

Create lobby game Arena tournaments Swiss tournaments Simultaneous exhibitions Donate

Puzzles Puzzle Themes Puzzle Dashboard Puzzle Streak Puzzle Storm Puzzle Racer

Chess basics Practice Coordinates Study Coaches

Broadcasts Lichess TV Current games Streamers Video library

Players Teams Forum Blog

Analysis board Openings Board editor Import game Advanced search

Sign in Register

15+10 • Rapid • Rated

2/2 rounds • Swiss

1 minute between rounds

Welcome to DOS! We do organize hourly swisses of a random timecontrol (created by a 24/7 runned script by @DarkOnCrack)

| Next Swisses | Join our DOS WhatsApp group | Join our Discord server |

Also join all our teams!

Main team
Rapid team
Classical team
This team

DarkOnSwiss (DOS)

1 Nov 2026, 10:10

DOS Rapid Increment

Tournament winners: Lionel_Rie