create table Variants (
id integer primary key,
name varchar unique,
- description text
+ description text,
+ noProblems boolean
);
create table Users (
rematchOffer character default '',
deletedByWhite boolean,
deletedByBlack boolean,
+ chatReadWhite datetime,
+ chatReadBlack datetime,
foreign key (vid) references Variants(id),
foreign key (white) references Users(id),
foreign key (black) references Users(id)