Classical
Wijk aan Zee, Netherlands
Tata Steel Masters & Challengers
Dates: Jan 17 - Feb 02, 2026
The Wimbledon of Chess featuring world elite grandmasters and ambitious challengers in a 14-player round-robin.
Chess Tournament Calendar & Pairing Simulator
Explore international chess tournaments, export schedules, simulate Swiss system pairings, and calculate FIDE Elo rating changes.
FIDE & International Circuits
Chess Tournament Calendar
Comprehensive international schedules, Swiss pairing simulator, and FIDE Elo performance rating calculator.
Fischer Random
Weissenhaus, Germany
Freestyle Chess G.O.A.T. Challenge
Dates: Feb 08 - Feb 16, 2026
Elite Fischer Random (Chess960) tournament organized with classical time controls and deep opening experimentation.
Classical
Reykjavik, Iceland
Reykjavik Open Festival
Dates: Mar 10 - Mar 18, 2026
One of the most prestigious open swiss tournaments in the world held at Harpa Concert Hall.
Classical
FIDE Host City
FIDE Candidates Tournament
Dates: Apr 04 - Apr 23, 2026
8-player double round-robin to determine the challenger for the World Chess Championship title.
Swiss System Pairing Simulator
Simulate a real FIDE-style Swiss tournament. Add players or load default Grandmaster participants, execute pairings round by round, and calculate tiebreak scores automatically.
Current Standings
| Rank | Player | Elo | Points | Buchholz |
|---|---|---|---|---|
| No players registered. Click "Load 8-Master Preset" above. | ||||
Active Round Matches
Generate round pairings to begin tournament.
FIDE Elo Rating Change & Performance Calculator
Estimate your expected score, new Elo rating, and tournament performance rating (TPR) based on official FIDE regulations.
Calculation Breakdown
Actual Score:
2.5 / 3
Expected Score (We):
1.46
Rating Difference (ΔR):
+20.8
New Rating:
1870.8
Tournament Performance Rating (TPR):
2133
About this tool
How to use it
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Why it matters
Chess players, tournament directors, and spectators need a unified, lightweight calendar to track FIDE-rated opens, super-tournaments, and invitationals without navigating fragmented national federation websites or ad-heavy portals.
When to use it
Use this calendar when planning your competitive chess season, preparing for upcoming opens, checking dates for major international championships (like Candidates or Tata Steel), or calculating rating point swings before tournament registration.