– Grandmaster R Praggnanandhaa squandered winning position against Wesley So in Sinquefield Cup
– D Gukesh settled for hard-fought draw in fifth round
– Alireza Firouzja beat Anish Giri to become sole leader
– Firouzja has 3.5 points, half point ahead of Wesley So
– Praggnanandhaa needs to work on technical aspect to convert winning positions
– Wesley So holds second spot with 3 points
– Maxime Vachier-Lagrave, Praggnanandhaa, Gukesh, Ding Liren, Ian Nepomniachtchi, Fabiano Caruana share third spot with 2.5 points each
– Nodirbek Abdusattorov is ninth with 2 points, Anish Giri at bottom of table
– Sunday’s sixth round will see So playing white against Firouzja.