According to the ranking lists Hiarcs 15 using 1 CPU is quite a strong chess engine. Let's see how it performs playing in a tournament with nine good opponents.
I invite you to watch the video on the YouTube platform.
Hiarcs 15 took third - an excellent place.
It is worth noting that it is one of the few contemporary engines that do not use NNUE (Efficiently Updatable Neural Networks), which probably preserved its unique "human" style of playing chess.
Below are games to download in .PGN format and...
...a table with results.