Maciej Celuch
From HexWiki
Maciej Celuch is a Polish Hex player.
He is ranked #1 on Little Golem, and is considered the strongest Hex player in the world by a good margin. He is more than 100 elo ahead of the runner up in 13x13 Hex on Little Golem, and more than 300 elo ahead on 19x19.
Maciej Celuch also plays under the nickname nie_wiesz ("don't know" in Polish) on igGameCenter and other Hex sites.