 From late 1267 to 1271, Song reinforcements from the south tried, many times, to attack the Mongol positions, in order to supply Xiangyang, but outside of Xiangyang, the Song forces were no match for the Mongolian cavalry.The catalog of useless thrusts continued, the Chinese losing 1,000 in October 1270, 2,000 in August 1271, and most of a 3,000 strong force was destroyed the following month.Once the Yuan forts were completed, the situation became hopeless.