How about a "Won the battles, but lost the war" achievement for winning all your games in a tournament, but still not winning overall? This would apply to triple gammon tournaments only.
As an example, this happened to Erinity and me in different sections of Madhouse 2008 - Week 4
Possibly have a minimum number of players in a section to get the achievement, or have a separate, higher-scoring achievement for doing it with 7 or 8 players in your section?
(ocultar) Evita perder partidas por tiempo. Los miembros de pago pueden activar la opción "Festivos Automáticos" en su página de Opciones que de modo automático permite establecer como festivos aquellos días en los que se perdiera una partida por tiempo. (pauloaguia) (mostrar todos los consejos)