More than a dozen children gather under a canopy in Makoko, the floating slum in Lagos, Nigeria’s commercial center. Aged 8 to 18, they are focused on the chess boards before them, calculating moves that will allow them to win the game.More than a dozen children gather under a canopy in Makoko, the floating slum in Lagos, Nigeria’s commercial center. Aged 8 to 18, they are focused on the chess boards before them, calculating moves that will allow them to win the game.