listner call
observableList.addListener(new ListChangeListener<Player>() {

            @Override
            public void onChanged(Change<? extends Player> c) {

                update(c.getAddedSubList(), c.getRemoved());
            }
        });

throws sometimes
java.lang.IndexOutOfBoundsException
at com.sun.javafx.collections.ObservableListWrapper$ObservableSubList.<init>(ObservableListWrapper.java:359)
at com.sun.javafx.collections.ObservableListWrapper.subList(ObservableListWrapper.java:256)
at javafx.collections.ListChangeListener$Change.getAddedSubList(ListChangeListener.java:144)