How is it possible to have a ranking of 2 if you have solved 16 of 16 puzzles? The change in my stats happened today. Am I missing something?

mary
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Win XP, Dell Dimension, Pentium 4,Processor at 1.96GHz 256mb PC800 Rdram, 80GB 7200 RPM Ultra ATA Hard Dr, 16X DVD-Rom Drive.