This is the 2613th most frequent German word.
behauptete
"Behauptete" means "claimed" or "asserted."
In this sentence, 'behauptete' indicates that the subject declared something as true, suggesting that it may or may not be factual.
Er behauptete, dass er die Wahrheit sagte.
He claimed that he was telling the truth.
Here, 'behauptete' is used in the sense of asserting or defending a statement or position.
Sie behauptete ihre Position in der Debatte entschlossen.
She asserted her position in the debate firmly.
This use of 'behauptete' refers to the coach expressing a belief about future achievements.