CREATE TABLE games (
	id INTEGER PRIMARY KEY GENERATED ALWAYS AS IDENTITY,

	p1 BPCHAR,
	p2 BPCHAR,

	p1result BPCHAR,

	CONSTRAINT not_self CHECK (p1 != p2),
	CONSTRAINT acceptable_result CHECK (p1result = 'W' OR p1result = 'T' OR p1result = 'L')
);