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Incident

World Chess

Incident posture

Attack window
Mar 2016
Location
Russia
Status
Historical
CIA posture
Available to members
Updated
2025-12-11 00:00

Linked entities

Victim
World Chess
Threat actors
1 actor
Sources
1 source

Timeline

Occurred
Mar 2016
Discovered
Pending
Disclosed
Pending
Resolved
Pending

Summary

The World Chess Championship website experienced a denial-of-service attack during the Candidates Tournament, disrupting its exclusive live broadcast of tournament games and moves. Organizers' controversial decision to restrict access to their platform and select partners had already drawn criticism from chess communities and websites, exacerbating frustration when the attack prevented fans from following matches. The incident impacted the viewing experience and raised concerns about the event's commercial viability amid reported sponsor dissatisfaction.

Motives

Detailed motive labels are available to members.

5 motives

TTPs

Detailed technique labels are available to members.

1 technique

Description

The World Chess Candidates Tournament, held in Moscow in March 2016 to determine the challenger for the World Championship match against Magnus Carlsen, became the center of controversy when organizer Agon implemented an exclusive broadcasting model. On March 11, 2016, Agon's official website worldchess.com experienced a denial-of-service attack that disrupted access during the tournament. This incident occurred shortly after Agon announced that both video coverage and live move transmissions would be restricted exclusively to their platform and select broadcast partners, departing from chess's traditional open broadcasting practices. The organization justified this decision as necessary to consolidate viewership and protect commercial sponsorship value for World Championship events.

The DDoS attack prevented chess fans worldwide from accessing real-time game coverage through the sole authorized platform, generating widespread frustration. The World Chess Candidates Tournament's official Twitter account confirmed the service disruption was caused by a denial-of-service attack. Attempts to view matches resulted in error messages instead of live gameplay. Chess community reactions ranged from anger over the exclusivity policy to criticism of Agon's technical preparedness, with prominent sites like Chessdom.com amplifying fan discontent. Players and spectators demonstrated limited sympathy for the organizers' technical challenges. The disruption compromised the viewing experience Agon had pledged to enhance and posed reputational risks to tournament sponsors dependent on uninterrupted digital exposure. No technical mitigation measures or attacker attribution details were disclosed in available reports.

Sources

Sources available to members: 1 source.

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