Items Invented by Hern��n Marcelo Dom��nguez Placencia
- Hanga Roa. A chess variant inspired by the people of Easter Island. (9x9, Cells: 81) By Hernán Marcelo Domínguez Placencia and Juan Pablo Schweitzer Kirsinger.
- Hanga Roa. Play Hanga Roa on Game Courier! Author: Tony Quintanilla and Juan Pablo Schweitzer Kirsinger. Inventor: Juan Pablo Schweitzer Kirsinger and Hernán Marcelo Domínguez Placencia.
- Hanga Roa . Play Hanga Roa with Zillions of Games! Author: Young-Hyun Joo. Inventor: Juan Pablo Schweitzer Kirsinger and Hernán Marcelo Domínguez Placencia.