Problems by Andreas Grigorjew

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Alien Attack 2	0.01	132	152	135	89%	2.1Easy	en
Excursion to Porvoo	0.05	1193	5	2	40%	6.1Hard	en
Happy Hookup	0.01	183	45	43	96%	2.3Easy	en
Kruidnoten	0.23	856	47	40	85%	4.8Medium	en