Ogun State Governor, Dapo Abiodun, has appointed Tunde Onakoya, the Guinness World Record holder for the longest chess marathon in history, the sports ambassador of the state. Governor Abiodun, who made this known on Thursday when he received Onakoya in his office at Oke-Mosan, Abeokuta, also announced the commencement of the state chess competition, which will be held in all parts …