After Gen. Fu Zuoyi's 200th and 211th Brigades failed in a counterattack to recapture Kalgan, Fu's forces fell back to the west to defend the railway to Suiyuan at Chaikoupao. This brought an end to Operation Chahar.
Following the failure of General Fu Zuoyi's 200th and 211st Brigades in their attempt to retake Kalgan, his forces retreated westward to protect the railway leading to Suiyuan at Chaikoupao, bringing an end to Operation Chahar.