<script type="text/javascript">
chesstr_size = 20;
chesstr_problem = 'random';
chesstr_dark_color = '#add8e8';
chesstr_light_color = '#fafafa';
chesstr_border_color = '#666';
</script>
<script type="text/javascript"
src="http://www.chesstr.com/javascripts/widgets.js"></script>
