Losing Jieting was the biggest mistake of Ma Su's life.
Tips
history
In 228 诸葛亮 gave the pass at 街亭 to 马谡, who ignored his orders, camped on a hill away from water and was routed by the Wei general 张郃. The campaign collapsed, and Zhuge Liang had Ma Su executed.
culture
On stage it is usually played with 《空城计》 (The Empty City Ruse) and 《斩马谡》 (The Execution of Ma Su) as one evening, known by their first characters as 《失空斩》.