Problems by Walter Guttmann

	Add	Remove

Name	Fastest	Shortest	Authors	Full Solves	Ratio	Difficulty	Languages
Bridging the Gap	0.12	895	14	12	86%	6.9Hard	en
Three Kinds of Dice	0.04	1410	18	17	94%	4.9Medium	en
Waterworld	0.01	56	71	65	92%	2.1Easy	en