The spelling of the word "Chessney" can be broken down into its phonetic components using IPA transcription. The first sound is /tʃ/, which represents the "ch" sound in English. This is followed by /ɛ/ for the short "e" sound, then /s/ for the "s" sound. The final two sounds are /ni/ for the "nee" sound. Therefore, the correct spelling of "Chessney" can be easily determined from its phonetic pronunciation using IPA transcription.