After the conclusion of the single-round chess tournament (in which each participant played every other participant once), all five participants— Rybakov, Shchukin, Okunev, Ershov, and Karasev (listed here in order of their final standings), exchanged their impressions.
“I didn’t think I’d be the only one to avoid the bitterness of defeat,” said Shchukin.
“But I was the only one who didn’t manage to win a single game,” remarked Karasev.
Try to reconstruct the tournament standings based on this information: how did each player fare against the other participants?