Tochinoshin maintained his perfect record and lead Thursday with a breakthrough victory over yokozuna Hakuho on Day 12 of the Summer Grand Sumo Tournament.The Georgian-born sekiwake came into the final bout of the day at Ryogoku Kokugikan without a single win in 25 previous attempts against the all-time championship record-holder.After a false start from Hakuho, the pair locked up in the center of the ring, each gripping the other's belt with nearly identical holds."I had a solid grip," Tochinoshin said.Hakuho was justifiably downcast. "A loss is a loss," he said. "It was as you saw."With t…READ FULL ARTICLE