2011 World Judo Open Championships
The 2011 World Judo Open Championships were held at Judo Centre in Tyumen , Russia , October 29–30 , 2011 . 
<triplet> 2011 World Judo Open Championships <subj> 2011 <obj> point in time <subj> Russia <obj> country <subj> 2011 <obj> point in time <triplet> Tyumen <subj> Russia <obj> country