- Russian chess official Sergei Indeikin has died at the age of 36 after reportedly suffering severe malaria.
- His family linked the illness to his recent work trip to Abuja, Nigeria.
- FIDE officially described his death as resulting from a “sudden illness” and has not independently confirmed malaria as the cause.
Russian chess official and International Chess Federation (FIDE) operational manager, Sergei Indeikin, has died at the age of 36 after reportedly developing a severe form of malaria following a work trip to Nigeria.
Eko Hot Blog reports that Indeikin travelled to Abuja earlier in August to participate in the FIDE World Amateur Rapid and Blitz Chess Championships, which were held from August 1 to 8.
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According to Russian media reports, Indeikin became ill after leaving Nigeria and travelling to Uzbekistan. His relatives and colleagues reportedly believed he contracted malaria during his stay in Nigeria.
Russian publication Argumenty i Fakty (AIF), citing Indeikin’s father, Alexander, reported that the chess official had travelled to Abuja on a business trip before proceeding to Uzbekistan, where he began experiencing symptoms.
His condition reportedly worsened after he returned to Russia. He travelled from Uzbekistan to Moscow before continuing to Perm to stay with his mother, Tatiana.
An ambulance was eventually called and Indeikin was admitted to hospital, but his condition deteriorated rapidly and he could not be saved.
His father reportedly said Indeikin had been vaccinated before travelling to Nigeria. However, the vaccination was understood to reduce the risk rather than provide complete protection against malaria.
FIDE had earlier confirmed Indeikin’s presence at the Abuja tournament, where he was among the officials responsible for the organisation of the competition.
The international chess governing body announced his death on August 23, describing it as the result of a “sudden illness”.
“We are deeply saddened by the passing of our colleague Sergei Indeikin, FIDE Operational Manager, following a sudden illness,” FIDE said.
Meanwhile, Russian business newspaper Izvestia reported that Indeikin’s mother attributed his death to a severe form of malaria.
According to Tatiana, her son’s illness progressed extremely quickly after he arrived in Perm. She said he was admitted to hospital but that treatment came too late.
Other Russian media outlets, including Lenta.ru, reported that Indeikin was bitten by a mosquito while attending the chess tournament in Nigeria and that the bite was suspected to have transmitted the malaria parasite.
Medical expert Professor Alexander Lukashev reportedly explained that malaria can be transmitted through the bite of an infected mosquito, particularly in tropical regions such as Nigeria.
Indeikin had worked with FIDE since 2021 and was involved in the organisation of several major international chess competitions. His assignments included World Championship matches, World Cups, Candidates Tournaments and World Rapid and Blitz Championships.

FIDE described him as an important member of its operations team who travelled extensively to support the successful organisation of major chess events around the world.
He is survived by his wife and daughter.
However, while Indeikin’s family and several Russian media reports have linked his death to severe malaria allegedly contracted during his Nigeria trip, FIDE has only officially confirmed that he died following a sudden illness. The federation has not independently confirmed malaria as the medical cause of death.
The development has also drawn attention to the health risks faced by international visitors travelling to malaria-endemic regions.
Eko Hot Blog will continue to monitor developments and any official confirmation concerning the reported cause of Indeikin’s death.
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