Hello all Crossworslanders, Will greatly appreciate some help with three unsolved clues. 4a. [8 letters ???A????] "Threaten with fury following tip"; 5d. [3 words, 4,3,4: ??c?/AND/????] "Kiss repeatedly, close together"; and 17a.[3 words, 6,3,5: ??R?S?/T??/?O?R?] "How chess players compete generally"
Thank you very much in advance.