 
 <translate> Chess players that have never lost to an AI is 40 / 4 = 10 people. Chess players that have lost to an AI is 40 - 10 = 30 people. So the answer is 30. <ibo> Ndị na-agba bọọlụ chess bụ ndị na-emebeghi AI bụ 40 / 4 = mmadụ 10. Ndị na-agba bọọlụ chess ndị AI meriri bụ mmadụ 40 - 10 = 30. Ya mere azịza ya bụ 30. 