Amina Abakarova, 40, was caught on CCTV trying to poison Umayganat Osmanova, 30, by smearing her chess board with the mercury on August 2 in Makhachkala, Russia. It has now emerged Abakarova has ...

to the table where Umayganat Osmanova from the city of Kaspiisk was set to play against her.” Malcolm Pain of the English Chess Federation told The Telegraph that there is not other recorded ...